abstract：:Campylobacter jejuni, a microaerophilic bacterium, is the most frequent cause of human bacterial gastroenteritis. C. jejuni is exposed to harmful reactive oxygen species (ROS) produced during its own normal metabolic processes and during infection from the host immune system and from host intestinal microbiota. These ...

journal_title：Journal of bacteriology

authors： Flint A,Sun YQ,Stintzi A

更新日期：2012-01-01 00:00:00

abstract：:There are two closely related hik31 operons involved in signal transduction on the chromosome and the pSYSX plasmid in the cyanobacterium Synechocystis sp. strain PCC 6803. We studied the growth, cell morphology, and gene expression in operon and hik mutants for both copies, under different growth conditions, to exami...

journal_title：Journal of bacteriology

authors： Nagarajan S,Sherman DM,Shaw I,Sherman LA

更新日期：2012-01-01 00:00:00

abstract：:The general stress response in Alphaproteobacteria was recently described to depend on the alternative sigma factor σ(EcfG), whose activity is regulated by its anti-sigma factor NepR. The response regulator PhyR, in turn, regulates NepR activity in a partner-switching mechanism according to which phosphorylation of Ph...

journal_title：Journal of bacteriology

authors： Kaczmarczyk A,Campagne S,Danza F,Metzger LC,Vorholt JA,Francez-Charlot A

更新日期：2011-12-01 00:00:00

abstract：:We have characterized group A Streptococcus (GAS) genome-wide responses to hydrogen peroxide and assessed the role of the peroxide response regulator (PerR) in GAS under oxidative stress. Comparison of transcriptome changes elicited by peroxide in wild-type bacteria with those in a perR deletion mutant showed that 76 ...

journal_title：Journal of bacteriology

authors： Grifantini R,Toukoki C,Colaprico A,Gryllos I

更新日期：2011-12-01 00:00:00

abstract：:Transcriptional and enzymatic analyses of Pyrococcus furiosus previously indicated that three proteins play key roles in the metabolism of elemental sulfur (S(0)): a membrane-bound oxidoreductase complex (MBX), a cytoplasmic coenzyme A-dependent NADPH sulfur oxidoreductase (NSR), and sulfur-induced protein A (SipA). D...

journal_title：Journal of bacteriology

authors： Bridger SL,Clarkson SM,Stirrett K,DeBarry MB,Lipscomb GL,Schut GJ,Westpheling J,Scott RA,Adams MW

更新日期：2011-12-01 00:00:00

abstract：:Type III secretion systems (T3SSs) secrete needle components, pore-forming translocators, and the translocated effectors. In part, effector recognition by a T3SS involves their N-terminal amino acids and their 5' mRNA. To investigate whether similar molecular constraints influence translocator secretion, we scrutinize...

journal_title：Journal of bacteriology

authors： Amer AA,Åhlund MK,Bröms JE,Forsberg Å,Francis MS

更新日期：2011-12-01 00:00:00

abstract：:Enterohemorrhagic Escherichia coli O157:H7 (EHEC) causes bloody diarrhea and hemolytic-uremic syndrome. EHEC encodes the sRNA chaperone Hfq, which is important in posttranscriptional regulation. In EHEC strain EDL933, Hfq acts as a negative regulator of the locus of enterocyte effacement (LEE), which encodes most of t...

journal_title：Journal of bacteriology

authors： Kendall MM,Gruber CC,Rasko DA,Hughes DT,Sperandio V

更新日期：2011-12-01 00:00:00

abstract：:Chlamydia spp. exhibit a unique biphasic developmental cycle whereby infectious elementary bodies (EBs) invade host epithelial cells and differentiate into noninfectious, metabolically active reticulate bodies (RBs). EBs posses a unique outer envelope where rigidity is achieved by disulfide bonding among cysteine-rich...

journal_title：Journal of bacteriology

authors： Betts-Hampikian HJ,Fields KA

更新日期：2011-12-01 00:00:00

abstract：:A psychrotolerant marine bacterial strain, designated JUB59(T), was isolated from Antarctic surface seawater and classified as a new species of the genus Bizionia. Here, we present the first draft genome sequence for this genus, which suggests interesting features such as UV resistance, hydrolytic exoenzymes, and nitr...

journal_title：Journal of bacteriology

authors： Lanzarotti E,Pellizza L,Bercovich A,Foti M,Coria SH,Vazquez SC,Ruberto L,Hernández EA,Dias RL,Mac Cormack WP,Cicero DO,Smal C,Nicolas MF,Vasconcelos AT,Marti MA,Turjanski AG

更新日期：2011-12-01 00:00:00

abstract：:Glucose uptake by the heterofermentative lactic acid bacterium Oenococcus oeni B1 was studied at the physiological and gene expression levels. Glucose- or fructose-grown bacteria catalyzed uptake of [(14)C]glucose over a pH range from pH 4 to 9, with maxima at pHs 5.5 and 7. Uptake occurred in two-step kinetics in a h...

journal_title：Journal of bacteriology

authors： Kim OB,Richter H,Zaunmüller T,Graf S,Unden G

更新日期：2011-12-01 00:00:00

abstract：:Neonatal bacterial meningitis continues to be an important cause of mortality and morbidity worldwide. Escherichia coli possessing the K1 capsular polysaccharide is the most common Gram-negative pathogen causing neonatal meningitis. Here we present the complete genome sequence of neonatal meningitis-associated E. coli...

journal_title：Journal of bacteriology

authors： Lu S,Zhang X,Zhu Y,Kim KS,Yang J,Jin Q

更新日期：2011-12-01 00:00:00

abstract：:The draft genome sequence (4,398,155 bp, with 65.35% G+C content) of Halobiforma lacisalsi AJ5, an extremely halophilic archaeon isolated from a salt lake, is reported here. This is the first genome report for a species of the Halobiforma genus. ...

journal_title：Journal of bacteriology

authors： Jiang X,Wang S,Cheng H,Huo Y,Zhang X,Zhu X,Han X,Ni P,Wu M

更新日期：2011-12-01 00:00:00

abstract：:Streptococcus pseudopneumoniae is a member of the viridans group streptococci (VGS) whose pathogenic significance is unclear. We announce the complete genome sequence of S. pseudopneumoniae IS7493. The genome sequence will assist in the characterization of this new organism and facilitate the development of accurate d...

journal_title：Journal of bacteriology

authors： Shahinas D,Tamber GS,Arya G,Wong A,Lau R,Jamieson F,Ma JH,Alexander DC,Low DE,Pillai DR

更新日期：2011-11-01 00:00:00

abstract：:Acinetobacter baumannii is a Gram-negative bacterium causing nosocomial infections worldwide. To gain quick insight into the molecular basis of biofilm formation in A. baumannii, we determined the complete genome sequence of A. baumannii strain 1656-2, which forms sturdy biofilm and is resistant to multiple drugs. ...

journal_title：Journal of bacteriology

authors： Park JY,Kim S,Kim SM,Cha SH,Lim SK,Kim J

更新日期：2011-11-01 00:00:00

abstract：:Arcobacter butzleri strain ED-1 is an exoelectrogenic epsilonproteobacterium isolated from the anode biofilm of a microbial fuel cell. Arcobacter sp. strain L dominates the liquid phase of the same fuel cell. Here we report the finished and annotated genome sequences of these organisms. ...

journal_title：Journal of bacteriology

authors： Toh H,Sharma VK,Oshima K,Kondo S,Hattori M,Ward FB,Free A,Taylor TD

更新日期：2011-11-01 00:00:00

abstract：:When Legionella pneumophila grows on agar plates, it secretes a surfactant that promotes flagellum- and pilus-independent "sliding" motility. We isolated three mutants that were defective for surfactant. The first two had mutations in genes predicted to encode cytoplasmic enzymes involved in lipid metabolism. These ge...

journal_title：Journal of bacteriology

authors： Stewart CR,Burnside DM,Cianciotto NP

更新日期：2011-11-01 00:00:00

abstract：:The involvement of the recently characterized 5' exonuclease activity of RNase J1 and endonuclease activity of RNase Y in the turnover of ΔermC mRNA in Bacillus subtilis was investigated. Evidence is presented that both of these activities determine the half-life of ΔermC mRNA. ...

journal_title：Journal of bacteriology

authors： Yao S,Richards J,Belasco JG,Bechhofer DH

更新日期：2011-11-01 00:00:00

abstract：:Campylobacter jejuni is a leading food-borne pathogen causing gastroenteritis in humans. Although OxyR is a widespread oxidative stress regulator in many Gram-negative bacteria, C. jejuni lacks OxyR and instead possesses the metalloregulator PerR. Despite the important role played by PerR in oxidative stress defense, ...

journal_title：Journal of bacteriology

authors： Kim M,Hwang S,Ryu S,Jeon B

更新日期：2011-11-01 00:00:00

abstract：:Leptospira spp. are thin, highly motile, slow-growing spirochetes that can be distinguished from other bacteria on the basis of their unique helical shape. Defining the mechanisms by which these bacteria generate and maintain this atypical morphology should greatly enhance our understanding of the fundamental physiolo...

journal_title：Journal of bacteriology

authors： Slamti L,de Pedro MA,Guichet E,Picardeau M

更新日期：2011-11-01 00:00:00

abstract：:Thermococcus sp. strain 4557 is a hyperthermophilic anaerobic archaeon isolated from the deep-sea hydrothermal vent Guaymas Basin site in the Gulf of California at a depth of 2,000 m. Here, we present the complete genome sequence of Thermococcus sp. 4557, which consists of a single circular chromosome of 2,011,320 bp ...

journal_title：Journal of bacteriology

authors： Wang X,Gao Z,Xu X,Ruan L

更新日期：2011-10-01 00:00:00

abstract：:Rickettsia heilongjiangensis is an emerging tick-transmitted human pathogen causing far-Eastern spotted fever. Here we report the complete sequence and the main features of the genome of R. heilongjiangensis (strain 054). ...

journal_title：Journal of bacteriology

authors： Duan C,Tong Y,Huang Y,Wang X,Xiong X,Wen B

更新日期：2011-10-01 00:00:00

abstract：:Streptococcus equi subsp. zooepidemicus is an opportunistic pathogen. It has caused a very large economic loss in the swine industry of China and has become a threat to human health. We announce the complete genome sequence of S. equi subsp. zooepidemicus strain ATCC 35246, which provides opportunities to understand i...

journal_title：Journal of bacteriology

authors： Ma Z,Geng J,Zhang H,Yu H,Yi L,Lei M,Lu CP,Fan HJ,Hu S

更新日期：2011-10-01 00:00:00

abstract：:Alicyclobacillus acidocaldarius strain Tc-4-1 was initially isolated from a hot spring in Tengchong, China. This organism is both thermophilic and acidophilic. It can produce heat- and acid-stable enzymes, such as amylase and esterase, which may be important in industry. Here we report the whole genome sequence of the...

journal_title：Journal of bacteriology

authors： Chen Y,He Y,Zhang B,Yang J,Li W,Dong Z,Hu S

更新日期：2011-10-01 00:00:00

abstract：:Sporolactobacillus inulinus CASD is an efficient D-lactic acid producer with high optical purity. Here we report for the first time the draft genome sequence of S. inulinus (2,930,096 bp). The large number of annotated two-component system genes makes it possible to explore the mechanism of extraordinary lactate toler...

journal_title：Journal of bacteriology

authors： Yu B,Su F,Wang L,Xu K,Zhao B,Xu P

更新日期：2011-10-01 00:00:00

abstract：:Sinorhizobium meliloti, the nitrogen-fixing symbiont of alfalfa, has the ability to catabolize myo-, scyllo-, and D-chiro-inositol. Functional inositol catabolism (iol) genes are required for growth on these inositol isomers, and they play a role during plant-bacterium interactions. The inositol catabolism genes compr...

journal_title：Journal of bacteriology

authors： Kohler PR,Choong EL,Rossbach S

更新日期：2011-10-01 00:00:00

abstract：:Under starvation conditions, a swarm of Myxococcus xanthus cells will undergo development, a multicellular process culminating in the formation of many aggregates called fruiting bodies, each of which contains up to 100,000 spores. The mechanics of symmetry breaking and the self-organization of cells into fruiting bod...

journal_title：Journal of bacteriology

authors： Zhang H,Angus S,Tran M,Xie C,Igoshin OA,Welch RD

更新日期：2011-10-01 00:00:00

abstract：:The transglycosylation step of cell wall synthesis is a prime antibiotic target because it is essential and specific to bacteria. Two antibiotics, ramoplanin and moenomycin, target this step by binding to the substrate lipid II and the transglycosylase enzyme, respectively. Here, we compare the ramoplanin and moenomyc...

journal_title：Journal of bacteriology

authors： Salzberg LI,Luo Y,Hachmann AB,Mascher T,Helmann JD

更新日期：2011-10-01 00:00:00

abstract：:The exosporium of Bacillus anthracis is comprised of two distinct layers: a basal layer and a hair-like nap that covers the basal layer. The hair-like nap contains the glycoproteins BclA and, most likely, BclB. BclA and BclB are directed to assemble into the exosporium by motifs in their N-terminal domains. Here, we i...

journal_title：Journal of bacteriology

authors： Thompson BM,Hoelscher BC,Driks A,Stewart GC

更新日期：2011-10-01 00:00:00

abstract：:The diversity of regulatory systems encoded by bacteria provides an indication of the variety of stresses and interactions that these organisms encounter in nature. We have been investigating how the plant pathogen Pseudomonas syringae pv. tomato DC3000 responds to iron limitation and have focused on the iron starvati...

journal_title：Journal of bacteriology

authors： Markel E,Maciak C,Butcher BG,Myers CR,Stodghill P,Bao Z,Cartinhour S,Swingle B

更新日期：2011-10-01 00:00:00

abstract：:In Escherichia coli, ClpYQ (HslUV) is a two-component ATP-dependent protease composed of ClpY (HslU), an ATPase with unfolding activity, and ClpQ (HslV), a peptidase. In the ClpYQ proteolytic complex, the hexameric rings of ClpY (HslU) are responsible for protein recognition, unfolding, and translocation into the prot...

journal_title：Journal of bacteriology

authors： Hsieh FC,Chen CT,Weng YT,Peng SS,Chen YC,Huang LY,Hu HT,Wu YL,Lin NC,Wu WF

更新日期：2011-10-01 00:00:00

abstract：:Xylose is rarely described as a component of bacterial glycans. UDP-xylose is the nucleotide-activated form necessary for incorporation of xylose into glycans and is synthesized by the decarboxylation of UDP-glucuronic acid (UDP-GlcA). Enzymes with UDP-GlcA decarboxylase activity include those that lead to the formati...

journal_title：Journal of bacteriology

authors： Coyne MJ,Fletcher CM,Reinap B,Comstock LE

更新日期：2011-10-01 00:00:00

abstract：:Biofilms contribute to virulence of Staphylococcus aureus. Formation of biofilms is multifactorial, involving polysaccharide, protein, and DNA components, which are controlled by various regulators. Here we report that deletion of the rsp gene resulted in an increase in biofilm formation in strain MW2, suggesting that...

journal_title：Journal of bacteriology

authors： Lei MG,Cue D,Roux CM,Dunman PM,Lee CY

更新日期：2011-10-01 00:00:00

abstract：:Lactobacillus pentosus MP-10 was isolated from brines of naturally fermented Aloreña green table olives. MP-10 has potential probiotic traits, including inhibition of human pathogenic bacteria, survival at low pH (1.5), and bile salt tolerance (3%). Here, we report for the first time the annotated genome sequence of L...

journal_title：Journal of bacteriology

authors： Abriouel H,Benomar N,Pulido RP,Cañamero MM,Gálvez A

更新日期：2011-09-01 00:00:00

abstract：:Entry into the host bacterial cell is one of the least understood steps in the life cycle of bacteriophages. The different envelopes of Gram-negative and Gram-positive bacteria, with a fluid outer membrane and exposing a thick peptidoglycan wall to the environment respectively, impose distinct challenges for bacteriop...

journal_title：Journal of bacteriology

authors： Jakutytė L,Baptista C,São-José C,Daugelavičius R,Carballido-López R,Tavares P

更新日期：2011-09-01 00:00:00

abstract：:The filamentous cyanobacterium Microcoleus vaginatusis found in arid land soils worldwide. The genome of M. vaginatus strain FGP-2 allows exploration of genes involved in photosynthesis, desiccation tolerance, alkane production, and other features contributing to this organism's ability to function as a major componen...

journal_title：Journal of bacteriology

authors： Starkenburg SR,Reitenga KG,Freitas T,Johnson S,Chain PS,Garcia-Pichel F,Kuske CR

更新日期：2011-09-01 00:00:00

abstract：:Forty years ago, Coulter and Talalay (A. W. Coulter and P. Talalay, J. Biol. Chem. 243:3238-3247, 1968) established the oxygenase-dependent pathway for the degradation of testosterone by aerobes. The oxic testosterone catabolic pathway involves several oxygen-dependent reactions and is not available for anaerobes. Sin...

journal_title：Journal of bacteriology

authors： Leu YL,Wang PH,Shiao MS,Ismail W,Chiang YR

更新日期：2011-09-01 00:00:00

abstract：:Glycerol is a primary energy source for heterotrophic haloarchaea and a major component of "salty" biodiesel waste. Glycerol is catabolized solely by glycerol kinase (encoded by glpK) to glycerol-3-phosphate (G3P) in Haloferax volcanii. Here we characterized the next critical step of this metabolic pathway: the conver...

journal_title：Journal of bacteriology

authors： Rawls KS,Martin JH,Maupin-Furlow JA

更新日期：2011-09-01 00:00:00

abstract：:Rhodocyclales are representative of versatile bacteria that are able to utilize a wide variety of organic compounds for growth, but only a few strains have been isolated in pure culture thus far. Here we present the genome sequence of Methyloversatilis universalis FAM5(T), the first cultivable methylotrophic member of...

journal_title：Journal of bacteriology

authors： Kittichotirat W,Good NM,Hall R,Bringel F,Lajus A,Médigue C,Smalley NE,Beck D,Bumgarner R,Vuilleumier S,Kalyuzhnaya MG

更新日期：2011-09-01 00:00:00

abstract：:Bacterial lipoproteins represent a subset of membrane-associated proteins that are covalently modified with lipids at the N-terminal cysteine. The final step of lipoprotein modification, N-acylation of apolipoproteins, is mediated by apolipoprotein N-acyltransferase (Lnt). Examinations with reconstituted proteoliposom...

journal_title：Journal of bacteriology

authors： Narita S,Tokuda H

更新日期：2011-09-01 00:00:00

abstract：:We report a draft sequence of the genome of Gordonia neofelifaecis NRRL B-59395, a cholesterol-degrading actinomycete isolated from fresh feces of a clouded leopard (Neofelis nebulosa). As predicted, the reported genome contains several gene clusters for cholesterol degradation. This is the second available genome seq...

journal_title：Journal of bacteriology

authors： Ge F,Li W,Chen G,Liu Y,Zhang G,Yong B,Wang Q,Wang N,Huang Z,Li W,Wang J,Wu C,Xie Q,Liu G

更新日期：2011-09-01 00:00:00