Acid-base titration of streptococci and the physical states of intracellular ions.

abstract：:Several mycobacterial strains, such as Mycobacterium flavescens, Mycobacterium gastri, Mycobacterium neoaurum, Mycobacterium parafortuitum, Mycobacterium peregrinum, Mycobacterium phlei, Mycobacterium smegmatis, Mycobacterium tuberculosis, and Mycobacterium vaccae, were found to grow on carbon monoxide (CO) as the sol...

journal_title：Journal of bacteriology

authors： Park SW,Hwang EH,Park H,Kim JA,Heo J,Lee KH,Song T,Kim E,Ro YT,Kim SW,Kim YM

更新日期：2003-01-01 00:00:00

abstract：:Fukuyama T. T. (University of Pennsylvania, Philadelphia) and D. J. O'Kane. Galactose metabolism. I. Pathway of carbon in fermentation by Streptococcus faecalis. J. Bacteriol. 84:793-796. 1962.-The pathway by which galactose-1-C(14) is fermented in Streptococcus faecalis was investigated using dried-cell preparations....

journal_title：Journal of bacteriology

authors： FUKUYAMA TT,O'KANE DJ

更新日期：1962-10-01 00:00:00

abstract：:The obligate intracellular pathogen Chlamydia trachomatis expresses a type III secretion system (T3SS) which has the potential to contribute significantly to pathogenesis. Based on a demonstrated role of type III secretion (T3S)-specific chaperones in the secretion of antihost proteins by gram-negative pathogens, we i...

journal_title：Journal of bacteriology

authors： Fields KA,Fischer ER,Mead DJ,Hackstadt T

更新日期：2005-09-01 00:00:00

abstract：:Horizontal gene transfer by conjugation plays a major role in bacterial evolution, allowing the acquisition of new traits, such as virulence and resistance to antibacterial agents. With the increased antibiotic resistance in bacterial pathogens, a better understanding of how bacteria modulate conjugation under changin...

journal_title：Journal of bacteriology

authors： Grace ED,Gopalkrishnan S,Girard ME,Blankschien MD,Ross W,Gourse RL,Herman C

更新日期：2015-03-01 00:00:00

abstract：:Streptococcus faecalis strain JH1 harbors two conjugative plasmids: pJH1, an R plasmid mediating resistance to kanamycin, streptomycin, gentamicin, erythromycin, and tetracycline, and pJH2, a hemolysin-bacteriocin plasmid. Studies of plasmid-cured derivatives of strain JH1 and of transconjugates obtained after mixed i...

journal_title：Journal of bacteriology

authors： LeBlanc DJ,Lee LN

更新日期：1982-05-01 00:00:00

abstract：:Transposon Tn917 mutagenesis of Bacillus subtilis BD99 followed by selection for protonophore resistance led to the isolation of strain MS119, which contained a single Tn917 insertion in an open reading frame whose deduced amino acid sequence was 56.6% identical to that of the Escherichia coli rho gene product. The in...

journal_title：Journal of bacteriology

authors： Quirk PG,Dunkley EA Jr,Lee P,Krulwich TA

更新日期：1993-02-01 00:00:00

abstract：:In gammaproteobacteria the Hfq protein shows a great variation in size, especially in its C-terminal part. Extremely large Hfq proteins consisting of almost 200 amino acid residues and more are found within the gammaproteobacterial family Moraxellaceae. The difference in size compared to other Hfq proteins is due to a...

journal_title：Journal of bacteriology

authors： Schilling D,Gerischer U

更新日期：2009-09-01 00:00:00

abstract：:The DNA sequence of a 3.23-kilobase fragment of the Escherichia coli chromosome encoding biosynthetic arginine decarboxylase (ADC) was determined. This sequence contained the speA open reading frame (ORF) as well as partial speB and metK ORFs. The ADC ORF is 1,974 nucleotides long; the deduced polypeptide contains 658...

journal_title：Journal of bacteriology

authors： Moore RC,Boyle SM

更新日期：1990-08-01 00:00:00

abstract：:We are studying an O4/K54/H5 Escherichia coli bacteremic isolate (CP9) as a model pathogen for extraintestinal infection. Its group 2, K54 capsular polysaccharide is an important virulence determinant and confers serum resistance. In this study the effect of the group 1 capsule regulators, RcsA, RcsB, and Lon protease...

journal_title：Journal of bacteriology

authors： Russo TA,Singh G

更新日期：1993-12-01 00:00:00

abstract：:Single-celled organisms must survive exposure to environmental extremes. Perhaps one of the most variable and potentially life-threatening changes that can occur is that of a rapid and acute decrease in external osmolarity. This easily translates into several atmospheres of additional pressure that can build up within...

journal_title：Journal of bacteriology

authors： Booth IR,Blount P

更新日期：2012-09-01 00:00:00

abstract：:The distribution of glycerophospholipid-cholesterol acyltransferase in selected bacterial species was examined. Enzyme activity was demonstrated in cell-free growth media from all members of the family Vibrionaceae which were tested except Plesiomonas shigelloides. In each case, enzyme was produced in exponential to e...

journal_title：Journal of bacteriology

authors： MacIntyre S,Trust TJ,Buckley JT

更新日期：1979-07-01 00:00:00

abstract：:A chromosomal insertion of transposon Tn917 partially restores the expression of protease and alpha-toxin activities to PM466, a genetically defined agr-null derivative of the wild-type Staphylococcus aureus strain RN6390. In co-transduction experiments, transposon-encoded erythromycin resistance and a protease- and a...

journal_title：Journal of bacteriology

authors： McNamara PJ,Milligan-Monroe KC,Khalili S,Proctor RA

更新日期：2000-06-01 00:00:00

abstract：:Harada, Kenji (Gunma University, Maebashi, Japan), Mitsuo Kameda, Mitsue Suzuki, and Susumu Mitsuhashi. Drug resistance of enteric bacteria. II. Transduction of transmissible drug-resistance (R) factors with phage epsilon. J. Bacteriol. 86:1332-1338. 1963.-Transmissible drug-resistance (R) factors, which transfer resi...

journal_title：Journal of bacteriology

authors： HARADA K,KAMEDA M,SUZUKI M,MITSUHASHI S

更新日期：1963-12-01 00:00:00

abstract：:A beta-1,4-xylan hydrolase (xylanase A) produced by Erwinia chrysanthemi D1 isolated from corn was analyzed with respect to its secondary structure and enzymatic function. The pH and temperature optima for the enzyme were found to be pH 6.0 and 35 degrees C, with a secondary structure under those conditions that consi...

journal_title：Journal of bacteriology

authors： Hurlbert JC,Preston JF 3rd

更新日期：2001-03-01 00:00:00

abstract：:The restriction systems McrA and McrB of Escherichia coli K-12 are known to attack DNA containing modified cytosine. In strains lacking both activities, however, we observed that DNA methylated at CG dinucleotides (as is mammalian DNA) was still significantly restricted. We show that this substantial barrier to the ac...

journal_title：Journal of bacteriology

authors： Kelleher JE,Raleigh EA

更新日期：1991-08-01 00:00:00

abstract：:For cells of the yeast Saccharomyces cerevisiae, the size at initiation of budding is proportional to growth rate for rates from 0.33 to 0.23 h-1. At growth rates lower than 0.23 h-1, cells displayed a minimum cell size at bud initiation independent of growth rate. Regardless of growth rate, cells displayed an increas...

journal_title：Journal of bacteriology

authors： Johnston GC,Ehrhardt CW,Lorincz A,Carter BL

更新日期：1979-01-01 00:00:00

abstract：:The methanol-insoluble, heat-stable enterotoxin of Escherichia coli synthesized by clinical strains or strains that harbor the cloned gene was shown to be an extracellular polypeptide. The toxin (STB) was first detected as an 8,100-Mr precursor (pre-STB) that was converted to a transiently cell-associated 5,200-Mr for...

journal_title：Journal of bacteriology

authors： Kupersztoch YM,Tachias K,Moomaw CR,Dreyfus LA,Urban R,Slaughter C,Whipp S

更新日期：1990-05-01 00:00:00

abstract：:The bacteriophage lambda cIII gene product regulates the lysogenic pathway. The cIII gene is located in the leftward operon, which is transcribed from the pL promoter. We have previously shown (S. Altuvia and A. B. Oppenheim, J. Bacteriol. 167:415-419, 1986) that mutations that show elevated expression lie within the ...

journal_title：Journal of bacteriology

authors： Kornitzer D,Teff D,Altuvia S,Oppenheim AB

更新日期：1989-05-01 00:00:00

abstract：:The gene encoding the general stress transcription factor sigmaB in the gram-positive bacterium Listeria monocytogenes was isolated with degenerate PCR primers followed by inverse PCR amplification. Evidence for gene identification includes the following: (i) phylogenetic analyses of reported amino acid sequences for ...

journal_title：Journal of bacteriology

authors： Wiedmann M,Arvik TJ,Hurley RJ,Boor KJ

更新日期：1998-07-01 00:00:00

abstract：:Phase variation is important in bacterial pathogenesis, since it generates antigenic variation for the evasion of immune responses and provides a strategy for quick adaptation to environmental changes. In this study, a Helicobacter pylori clone, designated MOD525, was identified that displayed phase-variable lacZ expr...

journal_title：Journal of bacteriology

authors： de Vries N,Duinsbergen D,Kuipers EJ,Pot RG,Wiesenekker P,Penn CW,van Vliet AH,Vandenbroucke-Grauls CM,Kusters JG

更新日期：2002-12-01 00:00:00

abstract：:Formylation of initiator methionyl-tRNA is essential for normal growth of eubacteria. However, under special conditions, it has been possible to initiate protein synthesis with unformylated initiator tRNA even in eubacteria. Earlier studies suggested that the lack of ribothymidine (rT) modification in initiator tRNA m...

journal_title：Journal of bacteriology

authors： Thanedar S,Dineshkumar TK,Varshney U

更新日期：2001-12-01 00:00:00

abstract：:Martin, Alice J. (Nassau County Department of Health, Hempstead, N.Y.), and Margaret O'Brien. Detection of enteropathogenic Escherichia coli in fecal cultures by use of a modified fluorescent-antibody technique. J. Bacteriol. 89:570-573. 1965.-The application of the fluorescent-antibody (FA) technique to cultures of f...

journal_title：Journal of bacteriology

authors： MARTIN AJ,O'BRIEN M

更新日期：1965-03-01 00:00:00

abstract：:The spx gene encodes an RNA polymerase-binding protein that exerts negative and positive transcriptional control in response to oxidative stress in Bacillus subtilis. It resides in the yjbC-spx operon and is transcribed from at least five promoters located in the yjbC regulatory region or in the yjbC-spx intergenic re...

journal_title：Journal of bacteriology

authors： Leelakriangsak M,Kobayashi K,Zuber P

更新日期：2007-03-01 00:00:00

abstract：:Xylella fastidiosa is a phytopathogenic bacterium that is responsible for diseases in many economically important crops. Although different strains have been studied, little is known about X. fastidiosa stress responses. One of the better characterized stress responses in bacteria is the heat shock response, which ind...

journal_title：Journal of bacteriology

authors： Koide T,Vêncio RZ,Gomes SL

更新日期：2006-08-01 00:00:00

abstract：:Catabolism of nonphenolic arenes is frequently initiated by dioxygenases, yielding single isomer products with two adjacent hydroxylated asymmetric centers. The next enzymic reaction dehydrogenates these cyclic cis-diols, with aromatization yielding catechols for ring cleavage. There are two stereochemical questions t...

journal_title：Journal of bacteriology

authors： Morawski B,Casy G,Illaszewicz C,Griengl H,Ribbons DW

更新日期：1997-06-01 00:00:00

abstract：:A mutant of yeast lacking proteinase C (carboxypeptidase Y) activity has been found by using a histochemical stain to screen mutagenized colonies. This defect segregates 2:2 in meiotic tetrads. Cell extracts lacked the esterolytic, amidase, and proteolytic activities associated with proteinase C. The absence of protei...

journal_title：Journal of bacteriology

authors： Wolf DH,Fink GR

更新日期：1975-09-01 00:00:00

abstract：:Cell walls of 19 Micromonospora species were analyzed for their components. All the cell walls had xylose and arabinose, but the presence of glucose, galactose, mannose, or rhamnose depended on the strain. Amino acids present in the walls consisted of glycine, glutamic acid, diaminopimelic acid, and alanine, in a mola...

journal_title：Journal of bacteriology

authors： Kawamoto I,Oka T,Nara T

更新日期：1981-05-01 00:00:00

abstract：:Using physical and genetic data, we have demonstrated that Rhizobium meliloti SU47 has a symbiotic megaplasmid, pRmeSU47b, in addition to the previously described nod-nif megaplasmid pRmeSU47a. This plasmid includes four loci involved in exopolysaccharide (exo) synthesis as well as two loci involved in thiamine biosyn...

journal_title：Journal of bacteriology

authors： Finan TM,Kunkel B,De Vos GF,Signer ER

更新日期：1986-07-01 00:00:00

abstract：:A cloned 8.3-kilobase-pair DNA fragment carrying all the genes (iucABCD iutA) of the aerobactin iron transport system of plasmid pColV-K30 was subjected to in vitro mutagenesis to afford mutant genes iucA, iucC, and iucA iucC. Complementation analyses and identification of aerobactin precursors accumulated by Escheric...

journal_title：Journal of bacteriology

authors： de Lorenzo V,Neilands JB

更新日期：1986-07-01 00:00:00

abstract：:The type III secretion system (T3SS) encoded by Salmonella pathogenicity island 2 (SPI-2) is involved in systemic infection and intracellular replication of Salmonella enterica serovar Typhimurium. In this study, we investigated the function of SsaE, a small cytoplasmic protein encoded within the SPI-2 locus, which sh...

journal_title：Journal of bacteriology

authors： Miki T,Shibagaki Y,Danbara H,Okada N

更新日期：2009-11-01 00:00:00