Altered muropeptide composition in Staphylococcus aureus strains with an inactivated femA locus.

abstract：:Burkholderia cepacia AC1100 metabolizes 2,4,5-trichlorophenoxyacetic acid (2,4,5-T) via formation of 5-chlorohydroxyquinol (5-CHQ), hydroxyquinol (HQ), maleylacetate, and beta-oxoadipate. The step(s) leading to the dechlorination of 5-CHQ to HQ has remained unidentified. We demonstrate that a dechlorinating enzyme, Tf...

journal_title：Journal of bacteriology

authors： Zaborina O,Daubaras DL,Zago A,Xun L,Saido K,Klem T,Nikolic D,Chakrabarty AM

更新日期：1998-09-01 00:00:00

abstract：:Through use of multiply disomic strains, the genes arg1 and arg8 were excluded from all of chromosomes I to XVII except (i) XV and (ii) IX and XV, respectively. Further aneuploid analyses showed that these two genes were on the same chromosome. By tetrad analysis, arg1 was shown to be linked to SUP3 on the left arm of...

journal_title：Journal of bacteriology

authors： Hilger F,Mortimer RK

更新日期：1980-01-01 00:00:00

abstract：:Shigella flexneri causes bacillary dysentery by invading epithelial cells of the colonic mucosa. The invasion process requires the synthesis and secretion of the virulence plasmid-encoded Ipa proteins. Using TnphoA mutagenesis, we have identified two virulence plasmid genes, mxiJ and mxiM, that encode proteins exporte...

journal_title：Journal of bacteriology

authors： Allaoui A,Sansonetti PJ,Parsot C

更新日期：1992-12-01 00:00:00

abstract：:Mycoplasma ovipneumoniae belongs to Mycoplasma, a genus containing the smallest self-replicating microorganisms, and causes infectious pleuropneumonia in goats and sheep. Nucleotide-binding oligomerization domain-containing protein (NOD2), an intracellular pattern recognition receptor, interacts with muramyl dipeptide...

journal_title：Journal of bacteriology

authors： Luo H,Wu X,Xu Z,Hao X,Wang Y,Li M

更新日期：2020-09-23 00:00:00

abstract：:The heat shock response in Escherichia coli involves extensive induction of the heat shock proteins, with the concomitant suppression of the synthesis of the non-heat shock proteins. While the induction of the heat shock proteins has been shown to occur primarily at the transcriptional level, the suppression of non-he...

journal_title：Journal of bacteriology

authors： Henry MD,Yancey SD,Kushner SR

更新日期：1992-02-01 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：:Gene 1 of bacteriophage T4 has been cloned into a lambda pL expression vector, resulting in the overproduction of deoxynucleotide kinase. A procedure that includes affinity chromatography on Cibacron Blue F3GA-agarose has been used to purify milligram quantities of enzymes from a 2-liter culture. The enzyme has been p...

journal_title：Journal of bacteriology

authors： Brush GS,Bhatnagar SK,Bessman MJ

更新日期：1990-06-01 00:00:00

abstract：:Genetic transformation of auxotrophs of the extreme thermophile Thermus thermophilus HB27 to prototrophy was obtained at high frequencies of 10(-2) to 10(-1) when proliferating cell populations were exposed to chromosomal DNA from a nutritionally independent wild-type strain. The transformation frequency was proportio...

journal_title：Journal of bacteriology

authors： Koyama Y,Hoshino T,Tomizuka N,Furukawa K

更新日期：1986-04-01 00:00:00

abstract：:Mutation of the spoVB gene in Bacillus subtilis causes the production of spores containing a defective cortex and unable to acquire heat resistance. The spoVB locus is highly linked to another spo locus, spoIIIF, characterized by a single mutation (I. L. Lamont and J. Mandelstam, J. Gen. Microbiol. 130:1253-1261, 1984...

journal_title：Journal of bacteriology

authors： Popham DL,Stragier P

更新日期：1991-12-01 00:00:00

abstract：:Growth of Streptomyces viridochromogenes on a solid glycerol-NH4NO3 salts medium was accompanied by the formation of aerial mycelia and spores. Adding 0.5% or more casein hydrolysate to the medium stimulated growth while completely repressing the formation of aerial mycelia and spores. This repression was temporary, a...

journal_title：Journal of bacteriology

authors： Coleman RH,Ensign JC

更新日期：1982-03-01 00:00:00

abstract：:Reticulate bodies of the meningopneumonitis (MP) microorganism were purified from L cells 18 hr after infection by the combination of differential centrifugation in 30% sucrose solution and potassium tartrate density gradient centrifugation. It was ascertained by electron microscopy that purified preparations of retic...

journal_title：Journal of bacteriology

authors： Tamura A,Matsumoto A,Higashi N

更新日期：1967-06-01 00:00:00

abstract：:Guanine is transported into germinated conidia of Neurospora crassa by the general purine base transport system. Guanine uptake is inhibited by adenine and hypoxanthine but not xanthine. Guanine phosphoribosyltransferase (GPRTase) activity was demonstrated in cell extracts of wild-type germinated conidia. The Km for g...

journal_title：Journal of bacteriology

authors： Magill CW,Sabina RL,Garber TL,Magill JM

更新日期：1982-03-01 00:00:00

abstract：:Mutant strains of Aspergillus niger with reduced citrate control of carbohydrate catabolism (cic mutants) grow faster than the parent strain on media containing 5% (wt/vol) citrate. The mutants tolerated a higher intracellular citrate concentration than the parent strain. One mutant (cic-7/3) contained phosphofructoki...

journal_title：Journal of bacteriology

authors： Schreferl G,Kubicek CP,Röhr M

更新日期：1986-03-01 00:00:00

abstract：:Ribonucleotide reductases (RNRs) are crucial to all living cells, since they provide deoxyribonucleotides (dNTPs) for DNA synthesis and repair. In Mycobacterium tuberculosis, a class Ib RNR comprising nrdE- and nrdF2-encoded subunits is essential for growth in vitro. Interestingly, the genome of this obligate human pa...

journal_title：Journal of bacteriology

authors： Mowa MB,Warner DF,Kaplan G,Kana BD,Mizrahi V

更新日期：2009-02-01 00:00:00

abstract：:Yersinia pestis is an important human pathogen that is maintained in flea-rodent enzootic cycles in many parts of the world. During its life cycle, Y. pestis senses host-specific environmental cues such as temperature and regulates gene expression appropriately to adapt to the insect or mammalian host. For example, Y....

journal_title：Journal of bacteriology

authors： Rebeil R,Ernst RK,Jarrett CO,Adams KN,Miller SI,Hinnebusch BJ

更新日期：2006-02-01 00:00:00

abstract：:Pulse labeling of deoxyribonucleic acid (DNA) and radioautography have been used to study the effect of growth rate on nuclear replication in Aspergillus nidulans. When conidia were germinated in media supporting a fast growth rate, the radioactive pulse labeled either all of the nuclei in a cell or none of them. At s...

journal_title：Journal of bacteriology

authors： Kessel M,Rosenberger RF

更新日期：1968-06-01 00:00:00

abstract：:Four genes encoding for polypeptides with apparent molecular weights of 17,000, 26,000 (the fimbrial subunit), 27,000, and 81,000 have been implicated in the biosynthesis of the K88ab fimbria (Mooi et al., J. Bacteriol. 150:512-521, 1982). Escherichia coli mutants with defects in these genes were examined for the pres...

journal_title：Journal of bacteriology

authors： Mooi FR,Wijfjes A,de Graaf FK

更新日期：1983-04-01 00:00:00

abstract：:The plasmid ColE2-P9 Rep protein specifically binds to the cognate replication origin to initiate DNA replication. The replicons of the plasmids ColE2-P9 and ColE3-CA38 are closely related, although the actions of the Rep proteins on the origins are specific to the plasmids. The previous chimera analysis identified tw...

journal_title：Journal of bacteriology

authors： Aoki K,Shinohara M,Itoh T

更新日期：2007-03-01 00:00:00

abstract：:Some Escherichia coli strains with impaired cell division form branched cells at high frequencies during certain growth conditions. Here, we show that neither FtsI nor FtsZ activity is required for the development of branches. Buds did not form at specific positions along the cell surface during high-branching conditi...

journal_title：Journal of bacteriology

authors： Gullbrand B,Akerlund T,Nordström K

更新日期：1999-11-01 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：:A new type of temperature-sensitive deoxyribonucleic acid (DNA) synthesis mutant, which can divide without a completion of DNA replication, was isolated from a thymidine-requiring Escherichia coli strain by means of photo-bromouracil selection after nitrosoguanidine mutagenesis. In this mutant, in spite of the fact th...

journal_title：Journal of bacteriology

authors： Inouye M

更新日期：1969-09-01 00:00:00

abstract：:Genome comparisons have demonstrated that dramatic genetic change often underlies the emergence of new bacterial pathogens. Evolutionary analysis of Escherichia coli O157:H7, a pathogen that has emerged as a worldwide public health threat in the past two decades, has posited that this toxin-producing pathogen evolved ...

journal_title：Journal of bacteriology

authors： Wick LM,Qi W,Lacher DW,Whittam TS

更新日期：2005-03-01 00:00:00

abstract：:Sialidase activity varies widely among strains and tends to correlate with strain virulence in the avian pathogen Mycoplasma synoviae. To characterize the forms of selection acting on enzymes required for sialic acid scavenging and catabolism, the ratios of nonsynonymous (K(a)) to synonymous (K(s)) mutation frequency ...

journal_title：Journal of bacteriology

authors： May M,Brown DR

更新日期：2009-06-01 00:00:00

abstract：:Thermococcus sp. strain CL1 is a hyperthermophilic, anaerobic, and heterotrophic archaeon isolated from a Paralvinella sp. polychaete worm living on an active deep-sea hydrothermal sulfide chimney on the Cleft Segment of the Juan de Fuca Ridge. To further understand the distinct characteristics of this archaeon at the...

journal_title：Journal of bacteriology

authors： Jung JH,Holden JF,Seo DH,Park KH,Shin H,Ryu S,Lee JH,Park CS

更新日期：2012-09-01 00:00:00

abstract：:Complementation analysis of the ssaD1 mutation, isolated as a suppressor of the secA51(Ts) mutation that renders growth of Escherichia coli cold sensitive, was used to show that ssaD corresponds to nusB, a gene known to be important in transcription antitermination. DNA sequence analysis of the ssaD1 allele showed tha...

journal_title：Journal of bacteriology

authors： Rajapandi T,Oliver D

更新日期：1994-07-01 00:00:00

abstract：:Nitrate reductase extracted from the membrane of Escherichia coli by alkaline heat treatment was purified to homogeneity and used to prepare specific antibody. Nitrate reductase, precipitated by this antibody from Triton extracts of the membrane, contained a third subunit not present in the purified enzyme used to pre...

journal_title：Journal of bacteriology

authors： MacGregor CH

更新日期：1975-03-01 00:00:00

abstract：:CsgA mutants of Myxococcus xanthus appear to be defective in producing an extracellular molecule essential for the developmental behaviors of this bacterium. The csgA gene encodes a 17.7-kilodalton polypeptide whose function and cellular location were investigated with immunological probes. Large quantities of the Csg...

journal_title：Journal of bacteriology

authors： Shimkets LJ,Rafiee H

更新日期：1990-09-01 00:00:00

abstract：:The SasG surface protein of Staphylococcus aureus has been shown to promote the formation of biofilm. SasG comprises an N-terminal A domain and repeated B domains. Here we demonstrate that SasG is involved in the accumulation phase of biofilm, a process that requires a physiological concentration of Zn(2+). The B doma...

journal_title：Journal of bacteriology

authors： Geoghegan JA,Corrigan RM,Gruszka DT,Speziale P,O'Gara JP,Potts JR,Foster TJ

更新日期：2010-11-01 00:00:00

abstract：:Transposition is a DNA reorganization reaction potentially deleterious for the host. The frequency of transposition is limited by the amount of transposase. Therefore, strict regulation of a transposase is required to keep control over the destructive multiplication of the mobile element. We have shown previously that...

journal_title：Journal of bacteriology

authors： Hõrak R,Kivisaar M

更新日期：1999-10-01 00:00:00

abstract：:Sinorhizobium meliloti is a free-living soil bacterium which is capable of establishing a symbiotic relationship with the alfalfa plant (Medicago sativa). This symbiosis involves a network of bacterium-host signaling, as well as the potential for bacterium-bacterium communication, such as quorum sensing. In this study...

journal_title：Journal of bacteriology

authors： Marketon MM,González JE

更新日期：2002-07-01 00:00:00