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By Juarez JR, Margolin W, on August 13th, 2010
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Changes in the Min oscillation pattern before and after cell birth.
J Bacteriol. 2010 Aug;192(16):4134-42
Authors: Juarez JR, Margolin W
The Min system regulates the positioning of the cell division … . . . → Read More: Changes in the Min oscillation pattern before and after cell birth.
By Kim KS, Pelton JG, Inwood WB, Andersen U, Kustu S, Wemmer DE, on August 13th, 2010
The Rut pathway for pyrimidine degradation: novel chemistry and toxicity problems.
J Bacteriol. 2010 Aug;192(16):4089-102
Authors: Kim KS, Pelton JG, Inwood WB, Andersen U, Kustu S, Wemmer DE
The Rut pathway is comp… . . . → Read More: The Rut pathway for pyrimidine degradation: novel chemistry and toxicity problems.
By Bai G, Golubov A, Smith EA, McDonough KA, on August 13th, 2010
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The importance of the small RNA chaperone Hfq for growth of epidemic Yersinia pestis, but not Yersinia pseudotuberculosis, with implications for plague biology.
J Bacteriol. 2010 Aug;192(16):4239-45
Authors: … . . . → Read More: The importance of the small RNA chaperone Hfq for growth of epidemic Yersinia pestis, but not Yersinia pseudotuberculosis, with implications for plague biology.
By Lee C, Kim I, Lee J, Lee KL, Min B, Park C, on August 13th, 2010
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Transcriptional activation of the aldehyde reductase YqhD by YqhC and its implication in glyoxal metabolism of Escherichia coli K-12.
J Bacteriol. 2010 Aug;192(16):4205-14
Authors: Lee C, Kim I, Lee J, Lee K… . . . → Read More: Transcriptional activation of the aldehyde reductase YqhD by YqhC and its implication in glyoxal metabolism of Escherichia coli K-12.
By Iyer PR, Geib SM, Catchmark J, Kao TH, Tien M, on August 13th, 2010
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Genome sequence of a cellulose-producing bacterium, Gluconacetobacter hansenii ATCC 23769.
J Bacteriol. 2010 Aug;192(16):4256-7
Authors: Iyer PR, Geib SM, Catchmark J, Kao TH, Tien M
The Gram-negativ… . . . → Read More: Genome sequence of a cellulose-producing bacterium, Gluconacetobacter hansenii ATCC 23769.
By Busch A, Lacal J, Silva-JÃmenez H, Krell T, Ramos JL, on August 13th, 2010
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Catabolite repression of the TodS/TodT two-component system and effector-dependent transphosphorylation of TodT as the basis for toluene dioxygenase catabolic pathway control.
J Bacteriol. 2010 Aug;192(16):4246-50
… . . . → Read More: Catabolite repression of the TodS/TodT two-component system and effector-dependent transphosphorylation of TodT as the basis for toluene dioxygenase catabolic pathway control.
By Lee X, Fox A, Sufrin J, Henry H, Majcherczyk P, Haas D, Reimmann C, on August 13th, 2010
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Identification of the biosynthetic gene cluster for the Pseudomonas aeruginosa antimetabolite L-2-amino-4-methoxy-trans-3-butenoic acid.
J Bacteriol. 2010 Aug;192(16):4251-5
Authors: Lee X, Fox A, Sufrin J, … . . . → Read More: Identification of the biosynthetic gene cluster for the Pseudomonas aeruginosa antimetabolite L-2-amino-4-methoxy-trans-3-butenoic acid.
By Hennig, S., Ziebuhr, W., on August 13th, 2010
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Characterization of the transposase encoded by IS256, the prototype of a major family of bacterial insertion sequence elements.
J Bacteriol. 2010 Aug;192(16):4153-63
Authors: Hennig S, Ziebuhr W
IS25… . . . → Read More: Characterization of the transposase encoded by IS256, the prototype of a major family of bacterial insertion sequence elements.
By Bensing BA, Sullam PM, on August 13th, 2010
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Transport of preproteins by the accessory Sec system requires a specific domain adjacent to the signal peptide.
J Bacteriol. 2010 Aug;192(16):4223-32
Authors: Bensing BA, Sullam PM
The accessory Sec … . . . → Read More: Transport of preproteins by the accessory Sec system requires a specific domain adjacent to the signal peptide.
By Kumagai, Y., Matsuo, J., Hayakawa, Y., Rikihisa, Y., on August 13th, 2010
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Cyclic di-GMP signaling regulates invasion by Ehrlichia chaffeensis of human monocytes.
J Bacteriol. 2010 Aug;192(16):4122-33
Authors: Kumagai Y, Matsuo J, Hayakawa Y, Rikihisa Y
Cyclic di-GMP (c-di-… . . . → Read More: Cyclic di-GMP signaling regulates invasion by Ehrlichia chaffeensis of human monocytes.
By Lazazzera BA, on August 13th, 2010
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The phosphoenolpyruvate phosphotransferase system: as important for biofilm formation by Vibrio cholerae as it is for metabolism in Escherichia coli.
J Bacteriol. 2010 Aug;192(16):4083-5
Authors: Lazazzera B… . . . → Read More: The phosphoenolpyruvate phosphotransferase system: as important for biofilm formation by Vibrio cholerae as it is for metabolism in Escherichia coli.
By Parales RE, Ingraham JL, on August 13th, 2010
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The surprising Rut pathway: an unexpected way to derive nitrogen from pyrimidines.
J Bacteriol. 2010 Aug;192(16):4086-8
Authors: Parales RE, Ingraham JL
PMID: 20562306 [PubMed - in process]
… . . . → Read More: The surprising Rut pathway: an unexpected way to derive nitrogen from pyrimidines.
By Nicolas, E., Lambin, M., Hallet, B., on August 13th, 2010
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Target immunity of the Tn3-family transposon Tn4430 requires specific interactions between the transposase and the terminal inverted repeats of the transposon.
J Bacteriol. 2010 Aug;192(16):4233-8
Authors: N… . . . → Read More: Target immunity of the Tn3-family transposon Tn4430 requires specific interactions between the transposase and the terminal inverted repeats of the transposon.
By Ramirez, N., Liggins, M., Abel-Santos, E., on August 13th, 2010
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Kinetic evidence for the presence of putative germination receptors in Clostridium difficile spores.
J Bacteriol. 2010 Aug;192(16):4215-22
Authors: Ramirez N, Liggins M, Abel-Santos E
Clostridium dif… . . . → Read More: Kinetic evidence for the presence of putative germination receptors in Clostridium difficile spores.
By Kovacikova, G., Lin, W., Skorupski, K., on August 13th, 2010
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The LysR-type virulence activator AphB regulates the expression of genes in Vibrio cholerae in response to low pH and anaerobiosis.
J Bacteriol. 2010 Aug;192(16):4181-91
Authors: Kovacikova G, Lin W, Skorups… . . . → Read More: The LysR-type virulence activator AphB regulates the expression of genes in Vibrio cholerae in response to low pH and anaerobiosis.
By Zeituni AE, McCaig W, Scisci E, Thanassi DG, Cutler CW, on August 13th, 2010
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The native 67-kilodalton minor fimbria of Porphyromonas gingivalis is a novel glycoprotein with DC-SIGN-targeting motifs.
J Bacteriol. 2010 Aug;192(16):4103-10
Authors: Zeituni AE, McCaig W, Scisci E, Thanas… . . . → Read More: The native 67-kilodalton minor fimbria of Porphyromonas gingivalis is a novel glycoprotein with DC-SIGN-targeting motifs.
By Uebe R, Voigt B, Schweder T, Albrecht D, Katzmann E, Lang C, Böttger L, Matzanke B, Schüler D, on August 13th, 2010
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Deletion of a fur-like gene affects iron homeostasis and magnetosome formation in Magnetospirillum gryphiswaldense.
J Bacteriol. 2010 Aug;192(16):4192-204
Authors: Uebe R, Voigt B, Schweder T, Albrecht D, Ka… . . . → Read More: Deletion of a fur-like gene affects iron homeostasis and magnetosome formation in Magnetospirillum gryphiswaldense.
By Mermod M, Mourlane F, Waltersperger S, Oberholzer AE, Baumann U, Solioz M, on August 13th, 2010
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Structure and function of CinD (YtjD) of Lactococcus lactis, a copper-induced nitroreductase involved in defense against oxidative stress.
J Bacteriol. 2010 Aug;192(16):4172-80
Authors: Mermod M, Mourlane F,… . . . → Read More: Structure and function of CinD (YtjD) of Lactococcus lactis, a copper-induced nitroreductase involved in defense against oxidative stress.
By Han Y, Dodd D, Hespen CW, Ohene-Adjei S, Schroeder CM, Mackie RI, Cann IK, on August 13th, 2010
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Comparative analyses of two thermophilic enzymes exhibiting both beta-1,4 mannosidic and beta-1,4 glucosidic cleavage activities from Caldanaerobius polysaccharolyticus.
J Bacteriol. 2010 Aug;192(16):4111-21
… . . . → Read More: Comparative analyses of two thermophilic enzymes exhibiting both beta-1,4 mannosidic and beta-1,4 glucosidic cleavage activities from Caldanaerobius polysaccharolyticus.
By Sevcenco AM, Bevers LE, Pinkse MW, Krijger GC, Wolterbeek HT, Verhaert PD, Hagen WR, Hagedoorn PL, on August 13th, 2010
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Molybdenum incorporation in tungsten aldehyde oxidoreductase enzymes from Pyrococcus furiosus.
J Bacteriol. 2010 Aug;192(16):4143-52
Authors: Sevcenco AM, Bevers LE, Pinkse MW, Krijger GC, Wolterbeek HT, Ver… . . . → Read More: Molybdenum incorporation in tungsten aldehyde oxidoreductase enzymes from Pyrococcus furiosus.
By Beranová J, Mansilla MC, de Mendoza D, Elhottová D, Konopásek I, on August 13th, 2010
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Differences in cold adaptation of Bacillus subtilis under anaerobic and aerobic conditions.
J Bacteriol. 2010 Aug;192(16):4164-71
Authors: Beranová J, Mansilla MC, de Mendoza D, Elhottová D, Konopás… . . . → Read More: Differences in cold adaptation of Bacillus subtilis under anaerobic and aerobic conditions.
By McMurry LM, Levy SB, on August 8th, 2010
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Evidence that regulatory protein MarA of Escherichia coli represses rob by steric hindrance.
J Bacteriol. 2010 Aug;192(15):3977-82
Authors: McMurry LM, Levy SB
The MarA protein of Escherichia coli ca… . . . → Read More: Evidence that regulatory protein MarA of Escherichia coli represses rob by steric hindrance.
By Masi, M., Wandersman, C., on August 8th, 2010
Multiple signals direct the assembly and function of a type 1 secretion system.
J Bacteriol. 2010 Aug;192(15):3861-9
Authors: Masi M, Wandersman C
Type 1 secretion systems (T1SS) are present in a wide range of Gram-… . . . → Read More: Multiple signals direct the assembly and function of a type 1 secretion system.
By Wood MM, Dichiara JM, Yoneji S, Gardner JF, on August 8th, 2010
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CTnDOT integrase interactions with attachment site DNA and control of directionality of the recombination reaction.
J Bacteriol. 2010 Aug;192(15):3934-43
Authors: Wood MM, Dichiara JM, Yoneji S, Gardner JF
… . . . → Read More: CTnDOT integrase interactions with attachment site DNA and control of directionality of the recombination reaction.
By Janulczyk R, Masignani V, Maione D, Tettelin H, Grandi G, Telford JL, on August 8th, 2010
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Simple sequence repeats and genome plasticity in Streptococcus agalactiae.
J Bacteriol. 2010 Aug;192(15):3990-4000
Authors: Janulczyk R, Masignani V, Maione D, Tettelin H, Grandi G, Telford JL
Simple… . . . → Read More: Simple sequence repeats and genome plasticity in Streptococcus agalactiae.
By Ludwig A, Völkerink G, von Rhein C, Bauer S, Maier E, Bergmann B, Goebel W, Benz R, on August 8th, 2010
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Mutations affecting export and activity of cytolysin A from Escherichia coli.
J Bacteriol. 2010 Aug;192(15):4001-11
Authors: Ludwig A, Völkerink G, von Rhein C, Bauer S, Maier E, Bergmann B, Goebel W, Ben… . . . → Read More: Mutations affecting export and activity of cytolysin A from Escherichia coli.
By Libby EA, Ekici S, Goulian M, on August 8th, 2010
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Imaging OmpR binding to native chromosomal loci in Escherichia coli.
J Bacteriol. 2010 Aug;192(15):4045-53
Authors: Libby EA, Ekici S, Goulian M
Previously, an unexplained subcellular localization wa… . . . → Read More: Imaging OmpR binding to native chromosomal loci in Escherichia coli.
By Bernard CS, Brunet YR, Gueguen E, Cascales E, on August 8th, 2010
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Nooks and Crannies in type VI secretion regulation.
J Bacteriol. 2010 Aug;192(15):3850-60
Authors: Bernard CS, Brunet YR, Gueguen E, Cascales E
Type VI secretion systems (T6SS) are macromolecular, tr… . . . → Read More: Nooks and Crannies in type VI secretion regulation.
By Block KF, Hammond MC, Breaker RR, on August 8th, 2010
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Evidence for widespread gene control function by the ydaO riboswitch candidate.
J Bacteriol. 2010 Aug;192(15):3983-9
Authors: Block KF, Hammond MC, Breaker RR
Nearly all representatives of experiment… . . . → Read More: Evidence for widespread gene control function by the ydaO riboswitch candidate.
By Koch B, Ma X, Løbner-Olesen A, on August 8th, 2010
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Replication of Vibrio cholerae chromosome I in Escherichia coli: dependence on dam methylation.
J Bacteriol. 2010 Aug;192(15):3903-14
Authors: Koch B, Ma X, Løbner-Olesen A
We successfully substit… . . . → Read More: Replication of Vibrio cholerae chromosome I in Escherichia coli: dependence on dam methylation.
By Hoover SE, Xu W, Xiao W, Burkholder WF, on August 8th, 2010
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Changes in DnaA-dependent gene expression contribute to the transcriptional and developmental response of Bacillus subtilis to manganese limitation in Luria-Bertani medium.
J Bacteriol. 2010 Aug;192(15):3915-24
… . . . → Read More: Changes in DnaA-dependent gene expression contribute to the transcriptional and developmental response of Bacillus subtilis to manganese limitation in Luria-Bertani medium.
By Kwiatek A, Luczkiewicz M, Bandyra K, Stein DC, Piekarowicz A, on August 8th, 2010
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Neisseria gonorrhoeae FA1090 carries genes encoding two classes of Vsr endonucleases.
J Bacteriol. 2010 Aug;192(15):3951-60
Authors: Kwiatek A, Luczkiewicz M, Bandyra K, Stein DC, Piekarowicz A
A ver… . . . → Read More: Neisseria gonorrhoeae FA1090 carries genes encoding two classes of Vsr endonucleases.
By Johnson JG, Clegg S, on August 8th, 2010
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Role of MrkJ, a phosphodiesterase, in type 3 fimbrial expression and biofilm formation in Klebsiella pneumoniae.
J Bacteriol. 2010 Aug;192(15):3944-50
Authors: Johnson JG, Clegg S
Klebsiella pneumoni… . . . → Read More: Role of MrkJ, a phosphodiesterase, in type 3 fimbrial expression and biofilm formation in Klebsiella pneumoniae.
By Sun Z, Chen X, Wang J, Gao P, Zhou Z, Ren Y, Sun T, Wang L, Meng H, Chen W, Zhang H, on August 8th, 2010
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Complete genome sequence of probiotic Bifidobacterium animalis subsp. lactis strain V9.
J Bacteriol. 2010 Aug;192(15):4080-1
Authors: Sun Z, Chen X, Wang J, Gao P, Zhou Z, Ren Y, Sun T, Wang L, Meng H, Chen … . . . → Read More: Complete genome sequence of probiotic Bifidobacterium animalis subsp. lactis strain V9.
By Oh JI, Park SJ, Shin SJ, Ko IJ, Han SJ, Park SW, Song T, Kim YM, on August 8th, 2010
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Identification of trans- and cis-control elements involved in regulation of the carbon monoxide dehydrogenase genes in Mycobacterium sp. strain JC1 DSM 3803.
J Bacteriol. 2010 Aug;192(15):3925-33
Authors: Oh… . . . → Read More: Identification of trans- and cis-control elements involved in regulation of the carbon monoxide dehydrogenase genes in Mycobacterium sp. strain JC1 DSM 3803.
By Takahashi, T., Nakai, N., Muramatsu, M., Hihara, Y., on August 8th, 2010
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Role of multiple HLR1 sequences in the regulation of the dual promoters of the psaAB genes in Synechocystis sp. PCC 6803.
J Bacteriol. 2010 Aug;192(15):4031-6
Authors: Takahashi T, Nakai N, Muramatsu M, Hiha… . . . → Read More: Role of multiple HLR1 sequences in the regulation of the dual promoters of the psaAB genes in Synechocystis sp. PCC 6803.
By Sacco E, Slama N, Bäckbro K, Parish T, Laval F, Daffé M, Eynard N, Quémard A, on August 8th, 2010
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Revisiting the assignment of Rv0241c to fatty acid synthase type II of Mycobacterium tuberculosis.
J Bacteriol. 2010 Aug;192(15):4037-44
Authors: Sacco E, Slama N, Bäckbro K, Parish T, Laval F, Daffé M… . . . → Read More: Revisiting the assignment of Rv0241c to fatty acid synthase type II of Mycobacterium tuberculosis.
By Lemon KP, Freitag NE, Kolter R, on August 8th, 2010
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The virulence regulator PrfA promotes biofilm formation by Listeria monocytogenes.
J Bacteriol. 2010 Aug;192(15):3969-76
Authors: Lemon KP, Freitag NE, Kolter R
Listeria monocytogenes is a food-borne… . . . → Read More: The virulence regulator PrfA promotes biofilm formation by Listeria monocytogenes.
By Eswaramoorthy P, Duan D, Dinh J, Dravis A, Devi SN, Fujita M, on August 8th, 2010
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The threshold level of the sensor histidine kinase KinA Governs entry into sporulation in Bacillus subtilis.
J Bacteriol. 2010 Aug;192(15):3870-82
Authors: Eswaramoorthy P, Duan D, Dinh J, Dravis A, Devi SN,… . . . → Read More: The threshold level of the sensor histidine kinase KinA Governs entry into sporulation in Bacillus subtilis.
By Major TA, Liu Y, Whitman WB, on August 8th, 2010
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Characterization of energy-conserving hydrogenase B in Methanococcus maripaludis.
J Bacteriol. 2010 Aug;192(15):4022-30
Authors: Major TA, Liu Y, Whitman WB
The Methanococcus maripaludis energy-conse… . . . → Read More: Characterization of energy-conserving hydrogenase B in Methanococcus maripaludis.
By Potter AJ, Kidd SP, McEwan AG, Paton JC, on August 8th, 2010
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The MerR/NmlR family transcription factor of Streptococcus pneumoniae responds to carbonyl stress and modulates hydrogen peroxide production.
J Bacteriol. 2010 Aug;192(15):4063-6
Authors: Potter AJ, Kidd SP,… . . . → Read More: The MerR/NmlR family transcription factor of Streptococcus pneumoniae responds to carbonyl stress and modulates hydrogen peroxide production.
By Li C, Sun F, Cho H, Yelavarthi V, Sohn C, He C, Schneewind O, Bae T, on August 8th, 2010
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CcpA mediates proline auxotrophy and is required for Staphylococcus aureus pathogenesis.
J Bacteriol. 2010 Aug;192(15):3883-92
Authors: Li C, Sun F, Cho H, Yelavarthi V, Sohn C, He C, Schneewind O, Bae T
… . . . → Read More: CcpA mediates proline auxotrophy and is required for Staphylococcus aureus pathogenesis.
By Filloux, A., on August 8th, 2010
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Secretion signal and protein targeting in bacteria: a biological puzzle.
J Bacteriol. 2010 Aug;192(15):3847-9
Authors: Filloux A
PMID: 20525826 [PubMed - in process]
. . . → Read More: Secretion signal and protein targeting in bacteria: a biological puzzle.
By He J, Shao X, Zheng H, Li M, Wang J, Zhang Q, Li L, Liu Z, Sun M, Wang S, Yu Z, on August 8th, 2010
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Complete genome sequence of Bacillus thuringiensis mutant strain BMB171.
J Bacteriol. 2010 Aug;192(15):4074-5
Authors: He J, Shao X, Zheng H, Li M, Wang J, Zhang Q, Li L, Liu Z, Sun M, Wang S, Yu Z
B… . . . → Read More: Complete genome sequence of Bacillus thuringiensis mutant strain BMB171.
By Burghout P, Cron LE, Gradstedt H, Quintero B, Simonetti E, Bijlsma JJ, Bootsma HJ, Hermans PW, on August 8th, 2010
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Carbonic anhydrase is essential for Streptococcus pneumoniae growth in environmental ambient air.
J Bacteriol. 2010 Aug;192(15):4054-62
Authors: Burghout P, Cron LE, Gradstedt H, Quintero B, Simonetti E, Bij… . . . → Read More: Carbonic anhydrase is essential for Streptococcus pneumoniae growth in environmental ambient air.
By Byrne-Bailey KG, Wrighton KC, Melnyk RA, Agbo P, Hazen TC, Coates JD, on August 8th, 2010
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Complete genome sequence of the electricity-producing “Thermincola potens” strain JR.
J Bacteriol. 2010 Aug;192(15):4078-9
Authors: Byrne-Bailey KG, Wrighton KC, Melnyk RA, Agbo P, Hazen TC, Coates JD
… . . . → Read More: Complete genome sequence of the electricity-producing "Thermincola potens" strain JR.
By Iniesta AA, Hillson NJ, Shapiro L, on August 8th, 2010
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Polar remodeling and histidine kinase activation, which is essential for caulobacter cell cycle progression, are dependent on DNA replication initiation.
J Bacteriol. 2010 Aug;192(15):3893-902
Authors: Inies… . . . → Read More: Polar remodeling and histidine kinase activation, which is essential for caulobacter cell cycle progression, are dependent on DNA replication initiation.
By Oleastro M, Cordeiro R, Ménard A, Gomes JP, on August 8th, 2010
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Allelic diversity among helicobacter pylori outer membrane protein genes homB and homA generated by recombination.
J Bacteriol. 2010 Aug;192(15):3961-8
Authors: Oleastro M, Cordeiro R, Ménard A, Gomes JP
… . . . → Read More: Allelic diversity among helicobacter pylori outer membrane protein genes homB and homA generated by recombination.
By Wei YX, Zhang ZY, Liu C, Zhu YZ, Zhu YQ, Zheng H, Zhao GP, Wang S, Guo XK, on August 8th, 2010
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Complete genome sequence of Bifidobacterium longum JDM301.
J Bacteriol. 2010 Aug;192(15):4076-7
Authors: Wei YX, Zhang ZY, Liu C, Zhu YZ, Zhu YQ, Zheng H, Zhao GP, Wang S, Guo XK
Bifidobacteria, know… . . . → Read More: Complete genome sequence of Bifidobacterium longum JDM301.
By Yu W, Herbert S, Graumann PL, Götz F, on August 8th, 2010
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Contribution of SMC (structural maintenance of chromosomes) and SpoIIIE to chromosome segregation in Staphylococci.
J Bacteriol. 2010 Aug;192(15):4067-73
Authors: Yu W, Herbert S, Graumann PL, Götz F
… . . . → Read More: Contribution of SMC (structural maintenance of chromosomes) and SpoIIIE to chromosome segregation in Staphylococci.
By Fazzini MM, Schuch R, Fischetti VA, on August 8th, 2010
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A novel spore protein, ExsM, regulates formation of the exosporium in Bacillus cereus and Bacillus anthracis and affects spore size and shape.
J Bacteriol. 2010 Aug;192(15):4012-21
Authors: Fazzini MM, Schuc… . . . → Read More: A novel spore protein, ExsM, regulates formation of the exosporium in Bacillus cereus and Bacillus anthracis and affects spore size and shape.
By Bai, G., Golubov, A., Smith, E. A., McDonough, K. A., on July 27th, 2010
Yersinia pestis, the etiologic agent of plague, has only recently evolved from Yersinia pseudotuberculosis. hfq deletion caused severe growth restriction at 37°C in Y. pestis but not in Y. pseudotuberculosis. Strains from all epidemic plague biova… . . . → Read More: The Importance of the Small RNA Chaperone Hfq for Growth of Epidemic Yersinia pestis, but Not Yersinia pseudotuberculosis, with Implications for Plague Biology [Molecular Biology of Pathogens]
By Busch, A., Lacal, J., Silva-Jimenez, H., Krell, T., Ramos, J. L., on July 27th, 2010
The TodS/TodT two-component system of Pseudomonas putida regulates the expression of the toluene dioxygenase (tod) operon for the metabolism of toluene, benzene, and ethylbenzene. The sensor kinase TodS has a complex domain arrangement containing two … . . . → Read More: Catabolite Repression of the TodS/TodT Two-Component System and Effector-Dependent Transphosphorylation of TodT as the Basis for Toluene Dioxygenase Catabolic Pathway Control [Gene Regulation]
By Lee, X., Fox, A., Sufrin, J., Henry, H., Majcherczyk, P., Haas, D., Reimmann, C., on July 27th, 2010
l-2-Amino-4-methoxy-trans-3-butenoic acid (AMB) is a potent antibiotic and toxin produced by Pseudomonas aeruginosa. Using a novel biochemical assay combined with site-directed mutagenesis in strain PAO1, we have identified a five-gene cluster specify… . . . → Read More: Identification of the Biosynthetic Gene Cluster for the Pseudomonas aeruginosa Antimetabolite L-2-Amino-4-Methoxy-trans-3-Butenoic Acid [Physiology and Metabolism]
By Iyer, P. R., Geib, S. M., Catchmark, J., Kao, T.-h., Tien, M., on July 27th, 2010
The Gram-negative bacterium Gluconacetobacter hansenii is considered a model organism for studying cellulose synthesis. We have determined the genome sequence of strain ATCC 23769.
. . . → Read More: Genome Sequence of a Cellulose-Producing Bacterium, Gluconacetobacter hansenii ATCC 23769 [Genome Announcement]
By Majerczyk, C. D., Dunman, P. M., Luong, T. T., Lee, C. Y., Sadykov, M. R., Somerville, G. A., Bodi, K., Sonenshein, A. L., on July 27th, 2010
See the paper
Majerczyk, C. D., Dunman, P. M., Luong, T. T., Lee, C. Y., Sadykov, M. R., Somerville, G. A., Bodi, K., Sonenshein, . . . → Read More: Direct Targets of CodY in Staphylococcus aureus [Errata]
By Englert, D. L., Adase, C. A., Jayaraman, A., Manson, M. D., on July 27th, 2010
By Nicolas, E., Lambin, M., Hallet, B., on July 27th, 2010
Specificity of the Tn4430 target immunity signal was examined by fusing the transposase TnpA to the LacI repressor of Escherichia coli. The resulting chimeric proteins failed to impose immunity to DNA targets carrying copies of the lacO operator, thou… . . . → Read More: Target Immunity of the Tn3-Family Transposon Tn4430 Requires Specific Interactions between the Transposase and the Terminal Inverted Repeats of the Transposon [Genetics and Molecular Biology]
By Bensing, B. A., Sullam, P. M., on July 27th, 2010
The accessory Sec (SecA2/Y2) systems of streptococci and staphylococci are dedicated to the transport of large serine-rich repeat (SRR) glycoproteins to the bacterial cell surface. The means by which the glycosylated preproteins are selectively recogn… . . . → Read More: Transport of Preproteins by the Accessory Sec System Requires a Specific Domain Adjacent to the Signal Peptide [Microbial Cell Biology]
By Ramirez, N., Liggins, M., Abel-Santos, E., on July 27th, 2010
Clostridium difficile is a spore-forming bacterium that causes Clostridium difficile-associated disease (CDAD). Intestinal microflora keeps C. difficile in the spore state and prevents colonization. Following antimicrobial treatment, the microflora is… . . . → Read More: Kinetic Evidence for the Presence of Putative Germination Receptors in Clostridium difficile Spores [Molecular Biology of Pathogens]
By Han, Y., Dodd, D., Hespen, C. W., Ohene-Adjei, S., Schroeder, C. M., Mackie, R. I., Cann, I. K. O., on July 27th, 2010
The hydrolysis of polysaccharides containing mannan requires endo-1,4-β-mannanase and 1,4-β-mannosidase activities. In the current report, the biochemical properties of two endo-β-1,4-mannanases (Man5A and Man5B) from Caldanaerobius pol… . . . → Read More: Comparative Analyses of Two Thermophilic Enzymes Exhibiting both {beta}-1,4 Mannosidic and {beta}-1,4 Glucosidic Cleavage Activities from Caldanaerobius polysaccharolyticus [Enzymes and Proteins]
By Kim, K.-S., Pelton, J. G., Inwood, W. B., Andersen, U., Kustu, S., Wemmer, D. E., on July 27th, 2010
The Rut pathway is composed of seven proteins, all of which are required by Escherichia coli K-12 to grow on uracil as the sole nitrogen source. The RutA and RutB proteins are central: no spontaneous suppressors arise in strains lacking them. RutA wor… . . . → Read More: The Rut Pathway for Pyrimidine Degradation: Novel Chemistry and Toxicity Problems [Physiology and Metabolism]
By Kumagai, Y., Matsuo, J., Hayakawa, Y., Rikihisa, Y., on July 27th, 2010
Cyclic di-GMP (c-di-GMP) is a bacterial second messenger produced by GGDEF domain-containing proteins. The genome of Ehrlichia chaffeensis, an obligatory intracellular bacterium that causes human monocytic ehrlichiosis, encodes a single protein that c… . . . → Read More: Cyclic di-GMP Signaling Regulates Invasion by Ehrlichia chaffeensis of Human Monocytes [Molecular Biology of Pathogens]
By Kovacikova, G., Lin, W., Skorupski, K., on July 27th, 2010
AphB is a LysR-type activator that initiates the expression of the virulence cascade in Vibrio cholerae by cooperating with the quorum-sensing-regulated activator AphA at the tcpPH promoter on the Vibrio pathogenicity island (VPI). To identify the anc… . . . → Read More: The LysR-Type Virulence Activator AphB Regulates the Expression of Genes in Vibrio cholerae in Response to Low pH and Anaerobiosis [Molecular Biology of Pathogens]
By Mermod, M., Mourlane, F., Waltersperger, S., Oberholzer, A. E., Baumann, U., Solioz, M., on July 27th, 2010
In Lactococcus lactis IL1403, 14 genes are under the control of the copper-inducible CopR repressor. This so-called CopR regulon encompasses the CopR regulator, two putative CPx-type copper ATPases, a copper chaperone, and 10 additional genes of unkno… . . . → Read More: Structure and Function of CinD (YtjD) of Lactococcus lactis, a Copper-Induced Nitroreductase Involved in Defense against Oxidative Stress [Enzymes and Proteins]
By Parales, R. E., Ingraham, J. L., on July 27th, 2010
By Zeituni, A. E., McCaig, W., Scisci, E., Thanassi, D. G., Cutler, C. W., on July 27th, 2010
We recently reported that the oral mucosal pathogen Porphyromonas gingivalis, through its 67-kDa Mfa1 (minor) fimbria, targets the C-type lectin receptor DC-SIGN for invasion and persistence within human monocyte-derived dendritic cells (DCs). The DCs… . . . → Read More: The Native 67-Kilodalton Minor Fimbria of Porphyromonas gingivalis Is a Novel Glycoprotein with DC-SIGN-Targeting Motifs [Molecular Biology of Pathogens]
By Lazazzera, B. A., on July 27th, 2010
By Uebe, R., Voigt, B., Schweder, T., Albrecht, D., Katzmann, E., Lang, C., Bottger, L., Matzanke, B., Schuler, D., on July 27th, 2010
Magnetotactic bacteria synthesize specific organelles, the magnetosomes, which are membrane-enveloped crystals of the magnetic mineral magnetite (Fe3O4). The biomineralization of magnetite involves the uptake and intracellular accumulation of large am… . . . → Read More: Deletion of a fur-Like Gene Affects Iron Homeostasis and Magnetosome Formation in Magnetospirillum gryphiswaldense [Physiology and Metabolism]
By Beranova, J., Mansilla, M. C., de Mendoza, D., Elhottova, D., Konopasek, I., on July 27th, 2010
Bacillus subtilis, which grows under aerobic conditions, employs fatty acid desaturase (Des) to fluidize its membrane when subjected to temperature downshift. Des requires molecular oxygen for its activity, and its expression is regulated by DesK-DesR… . . . → Read More: Differences in Cold Adaptation of Bacillus subtilis under Anaerobic and Aerobic Conditions [Gene Regulation]
By Hennig, S., Ziebuhr, W., on July 27th, 2010
IS256 is the founding member of the IS256 family of insertion sequence (IS) elements. These elements encode a poorly characterized transposase, which features a conserved DDE catalytic motif and produces circular IS intermediates. Here, we characteriz… . . . → Read More: Characterization of the Transposase Encoded by IS256, the Prototype of a Major Family of Bacterial Insertion Sequence Elements [Genetics and Molecular Biology]
By Sevcenco, A.-M., Bevers, L. E., Pinkse, M. W. H., Krijger, G. C., Wolterbeek, H. T., Verhaert, P. D. E. M., Hagen, W. R., Hagedoorn, P.-L., on July 27th, 2010
The hyperthermophilic archaeon Pyrococcus furiosus expresses five aldehyde oxidoreductase (AOR) enzymes, all containing a tungsto-bispterin cofactor. The growth of this organism is fully dependent on the presence of tungsten in the growth medium. Prev… . . . → Read More: Molybdenum Incorporation in Tungsten Aldehyde Oxidoreductase Enzymes from Pyrococcus furiosus [Enzymes and Proteins]
By Lee, C., Kim, I., Lee, J., Lee, K.-L., Min, B., Park, C., on July 27th, 2010
The reactive -oxoaldehydes such as glyoxal (GO) and methylglyoxal (MG) are generated in vivo from sugars through oxidative stress. GO and MG are believed to be removed from cells by glutathione-dependent glyoxalases and other aldehyde reductases. We i… . . . → Read More: Transcriptional Activation of the Aldehyde Reductase YqhD by YqhC and Its Implication in Glyoxal Metabolism of Escherichia coli K-12 [Physiology and Metabolism]
By Juarez, J. R., Margolin, W., on July 27th, 2010
The Min system regulates the positioning of the cell division site in many bacteria. In Escherichia coli, MinD migrates rapidly from one cell pole to the other. In conjunction with MinC, MinD helps to prevent unwanted FtsZ rings from assembling at the… . . . → Read More: Changes in the Min Oscillation Pattern before and after Cell Birth [Microbial Cell Biology]
By Byrne-Bailey, K. G., Wrighton, K. C., Melnyk, R. A., Agbo, P., Hazen, T. C., Coates, J. D., on July 12th, 2010
“Thermincola potens” strain JR is one of the first Gram-positive dissimilatory metal-reducing bacteria (DMRB) for which there is a complete genome sequence. Consistent with the physiology of this organism, preliminary annotation revealed an abundance … . . . → Read More: Complete Genome Sequence of the Electricity-Producing "Thermincola potens" Strain JR [Genome Announcements]
By Wei, Y.-X., Zhang, Z.-Y., Liu, C., Zhu, Y.-Z., Zhu, Y.-Q., Zheng, H., Zhao, G.-P., Wang, S., Guo, X.-K., on July 12th, 2010
Bifidobacteria, known as probiotic bacteria, are high-G+C Gram-positive bacteria which naturally inhabit the human gastrointestinal tract and vagina. Recently, we completely sequenced Bifidobacterium longum JDM301, which is a widely used Chinese comme… . . . → Read More: Complete Genome Sequence of Bifidobacterium longum JDM301 [Genome Announcements]
By Sun, Z., Chen, X., Wang, J., Gao, P., Zhou, Z., Ren, Y., Sun, T., Wang, L., Meng, H., Chen, W., Zhang, H., on July 12th, 2010
Bifidobacterium animalis subsp. lactis strain V9 is a Chinese commercial bifidobacteria with several probiotic functions. It was isolated from a healthy Mongolian child in China. We present here the complete genome sequence of V9 and compare it to 3 o… . . . → Read More: Complete Genome Sequence of Probiotic Bifidobacterium animalis subsp. lactis Strain V9 [Genome Announcements]
By He, J., Shao, X., Zheng, H., Li, M., Wang, J., Zhang, Q., Li, L., Liu, Z., Sun, M., Wang, S., Yu, Z., on July 12th, 2010
Bacillus thuringiensis has been widely used as a biopesticide for a long time. Here we report the finished and annotated genome sequence of B. thuringiensis mutant strain BMB171, an acrystalliferous mutant strain with a high transformation frequency o… . . . → Read More: Complete Genome Sequence of Bacillus thuringiensis Mutant Strain BMB171 [Genome Announcements]
By Yu, W., Herbert, S., Graumann, P. L., Gotz, F., on July 12th, 2010
In contrast to rod-shaped bacteria, little is known about chromosomal maintenance and segregation in the spherical Staphylococcus aureus. The analysis of chromosomal segregation in smc (structural maintenance of chromosomes) and spoIIIE single and dou… . . . → Read More: Contribution of SMC (Structural Maintenance of Chromosomes) and SpoIIIE to Chromosome Segregation in Staphylococci [Microbial Cell Biology]
By Li, C., Sun, F., Cho, H., Yelavarthi, V., Sohn, C., He, C., Schneewind, O., Bae, T., on July 12th, 2010
Human clinical isolates of Staphylococcus aureus, for example, strains Newman and N315, cannot grow in the absence of proline, albeit their sequenced genomes harbor genes for two redundant proline synthesis pathways. We show here that under selective … . . . → Read More: CcpA Mediates Proline Auxotrophy and Is Required for Staphylococcus aureus Pathogenesis [Physiology and Metabolism]
By Sacco, E., Slama, N., Backbro, K., Parish, T., Laval, F., Daffe, M., Eynard, N., Quemard, A., on July 12th, 2010
The fatty acid synthase type II enzymatic complex of Mycobacterium tuberculosis (FAS-IIMt) catalyzes an essential metabolic pathway involved in the biosynthesis of major envelope lipids, mycolic acids. The partner proteins of this singular FAS-II syst… . . . → Read More: Revisiting the Assignment of Rv0241c to Fatty Acid Synthase Type II of Mycobacterium tuberculosis [Enzymes and Proteins]
By Ludwig, A., Volkerink, G., von Rhein, C., Bauer, S., Maier, E., Bergmann, B., Goebel, W., Benz, R., on July 12th, 2010
Cytolysin A (known as ClyA, HlyE, and SheA) is a cytolytic pore-forming protein toxin found in several Escherichia coli and Salmonella enterica strains. The structure of its water-soluble monomeric form and that of dodecameric ClyA pores is known, but… . . . → Read More: Mutations Affecting Export and Activity of Cytolysin A from Escherichia coli [Molecular Biology of Pathogens]
By Iniesta, A. A., Hillson, N. J., Shapiro, L., on July 12th, 2010
Caulobacter crescentus initiates a single round of DNA replication during each cell cycle. Following the initiation of DNA replication, the essential CckA histidine kinase is activated by phosphorylation, which (via the ChpT phosphotransferase) enable… . . . → Read More: Polar Remodeling and Histidine Kinase Activation, Which Is Essential for Caulobacter Cell Cycle Progression, Are Dependent on DNA Replication Initiation [Microbial Cell Biology]
By Koch, B., Ma, X., Lobner-Olesen, A., on July 12th, 2010
We successfully substituted Escherichia coli’s origin of replication oriC with the origin region of Vibrio cholerae chromosome I (oriCIVc). Replication from oriCIVc initiated at a similar or slightly reduced cell mass compared to that of normal E. col… . . . → Read More: Replication of Vibrio cholerae Chromosome I in Escherichia coli: Dependence on Dam Methylation [Genetics and Molecular Biology]
By Major, T. A., Liu, Y., Whitman, W. B., on July 12th, 2010
The Methanococcus maripaludis energy-conserving hydrogenase B (Ehb) generates low potential electrons required for autotrophic CO2 assimilation. To analyze the importance of individual subunits in Ehb structure and function, markerless in-frame deleti… . . . → Read More: Characterization of Energy-Conserving Hydrogenase B in Methanococcus maripaludis [Physiology and Metabolism]
By Hoover, S. E., Xu, W., Xiao, W., Burkholder, W. F., on July 12th, 2010
The SOS response to DNA damage in bacteria is a well-known component of the complex transcriptional responses to genotoxic environmental stresses such as exposure to reactive oxygen species, alkylating agents, and many of the antibiotics targeting DNA… . . . → Read More: Changes in DnaA-Dependent Gene Expression Contribute to the Transcriptional and Developmental Response of Bacillus subtilis to Manganese Limitation in Luria-Bertani Medium [Genetics and Molecular Biology]
By Burghout, P., Cron, L. E., Gradstedt, H., Quintero, B., Simonetti, E., Bijlsma, J. J. E., Bootsma, H. J., Hermans, P. W. M., on July 12th, 2010
The respiratory tract pathogen Streptococcus pneumoniae needs to adapt to the different levels of carbon dioxide (CO2) it encounters during transmission, colonization, and infection. Since CO2 is important for various cellular processes, factors that … . . . → Read More: Carbonic Anhydrase Is Essential for Streptococcus pneumoniae Growth in Environmental Ambient Air [Molecular Biology of Pathogens]
By Block, K. F., Hammond, M. C., Breaker, R. R., on July 12th, 2010
Nearly all representatives of experimentally validated riboswitch classes in bacteria control the expression of genes for the transport or synthesis of key metabolic compounds. Recent findings have revealed that some riboswitches also regulate genes i… . . . → Read More: Evidence for Widespread Gene Control Function by the ydaO Riboswitch Candidate [Gene Regulation]
By Oh, J.-I., Park, S.-J., Shin, S.-J., Ko, I.-J., Han, S. J., Park, S. W., Song, T., Kim, Y. M., on July 12th, 2010
The cutR gene was identified 314 bp upstream of the divergently oriented cutB1C1A1 operon encoding carbon monoxide (CO) dehydrogenase in Mycobacterium sp. strain JC1. Its deduced product was composed of 320 amino acid residues with a calculated molecu… . . . → Read More: Identification of trans- and cis-Control Elements Involved in Regulation of the Carbon Monoxide Dehydrogenase Genes in Mycobacterium sp. Strain JC1 DSM 3803 [Molecular Biology of Pathogens]
By Wood, M. M., DiChiara, J. M., Yoneji, S., Gardner, J. F., on July 12th, 2010
IntDOT is a tyrosine recombinase encoded by the conjugative transposon CTnDOT. The core binding (CB) and catalytic (CAT) domains of IntDOT interact with core-type sites adjacent to the regions of strand exchange, while the N-terminal arm binding (N) d… . . . → Read More: CTnDOT Integrase Interactions with Attachment Site DNA and Control of Directionality of the Recombination Reaction [Genetics and Molecular Biology]
By Janulczyk, R., Masignani, V., Maione, D., Tettelin, H., Grandi, G., Telford, J. L., on July 12th, 2010
Simple sequence repeats (SSRs) and their role in phase variation have been extensively studied in Gram-negative organisms, where they have been associated with antigenic variation and other adaptation strategies. In this study, we apply comparative ge… . . . → Read More: Simple Sequence Repeats and Genome Plasticity in Streptococcus agalactiae [Genomics and Proteomics]
By Johnson, J. G., Clegg, S., on July 12th, 2010
Klebsiella pneumoniae is an opportunistic pathogen that has been shown to adhere to human extracellular matrices using the type 3 fimbriae. Introduction of plasmids carrying genes known to alter intracellular cyclic-di-GMP pools in Vibrio parahaemolyt… . . . → Read More: Role of MrkJ, a Phosphodiesterase, in Type 3 Fimbrial Expression and Biofilm Formation in Klebsiella pneumoniae [Microbial Communities and Interactions]
By Fazzini, M. M., Schuch, R., Fischetti, V. A., on July 12th, 2010
Bacillus cereus spores are assembled with a series of concentric layers that protect them from a wide range of environmental stresses. The outermost layer, or exosporium, is a bag-like structure that interacts with the environment and is composed of m… . . . → Read More: A Novel Spore Protein, ExsM, Regulates Formation of the Exosporium in Bacillus cereus and Bacillus anthracis and Affects Spore Size and Shape [Genetics and Molecular Biology]
By Kwiatek, A., Luczkiewicz, M., Bandyra, K., Stein, D. C., Piekarowicz, A., on July 12th, 2010
A very short patch repair system prevents mutations resulting from deamination of 5-methylcytosine to thymine. The Vsr endonuclease is the key enzyme of this system, providing sequence specificity. We identified two genes encoding Vsr endonucleases V…. . . . → Read More: Neisseria gonorrhoeae FA1090 Carries Genes Encoding Two Classes of Vsr Endonucleases [Genetics and Molecular Biology]
By Takahashi, T., Nakai, N., Muramatsu, M., Hihara, Y., on July 12th, 2010
Previously, we analyzed the promoter architecture of the psaAB genes encoding reaction center subunits of photosystem I (PSI) in the cyanobacterium Synechocystis sp. PCC 6803. There exist two promoters, P1 and P2, both of which show typical high-light… . . . → Read More: Role of Multiple HLR1 Sequences in the Regulation of the Dual Promoters of the psaAB Genes in Synechocystis sp. PCC 6803 [Gene Regulation]
By Oleastro, M., Cordeiro, R., Menard, A., Gomes, J. P., on July 12th, 2010
Recombination is one of the main mechanisms contributing to Helicobacter pylori genomic variability. homB and homA are paralogous genes coding for H. pylori outer membrane proteins (OMPs). Both genes display allelic variation yielded by polymorphisms … . . . → Read More: Allelic Diversity among Helicobacter pylori Outer Membrane Protein Genes homB and homA Generated by Recombination [Computational Biology]
By Libby, E. A., Ekici, S., Goulian, M., on July 12th, 2010
Previously, an unexplained subcellular localization was reported for a functional fluorescent protein fusion to the response regulator OmpR in Escherichia coli. The pronounced regions of increased fluorescence, or foci, are dependent on OmpR phosphory… . . . → Read More: Imaging OmpR Binding to Native Chromosomal Loci in Escherichia coli [Gene Regulation]
By Bernard, C. S., Brunet, Y. R., Gueguen, E., Cascales, E., on July 12th, 2010
Type VI secretion systems (T6SS) are macromolecular, transenvelope machines encoded within the genomes of most Gram-negative bacteria, including plant, animal, and human pathogens, as well as soil and environmental isolates. T6SS are involved in a bro… . . . → Read More: Nooks and Crannies in Type VI Secretion Regulation [Minireviews]
By Potter, A. J., Kidd, S. P., McEwan, A. G., Paton, J. C., on July 12th, 2010
The NmlRsp transcription factor of Streptococcus pneumoniae is shown to induce adhC (alcohol dehydrogenase) expression in the presence of both formaldehyde and methylglyoxal. nmlRsp and adhC mutant strains display altered and opposite aerobic growth p… . . . → Read More: The MerR/NmlR Family Transcription Factor of Streptococcus pneumoniae Responds to Carbonyl Stress and Modulates Hydrogen Peroxide Production [Gene Regulation]
By Eswaramoorthy, P., Duan, D., Dinh, J., Dravis, A., Devi, S. N., Fujita, M., on July 12th, 2010
Sporulation in Bacillus subtilis is controlled by a complex gene regulatory circuit that is activated upon nutrient deprivation. The initial process is directed by the phosphorelay, involving the major sporulation histidine kinase (KinA) and two addit… . . . → Read More: The Threshold Level of the Sensor Histidine Kinase KinA Governs Entry into Sporulation in Bacillus subtilis [Genetics and Molecular Biology]
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