Abstract:
:The colH gene encoding a collagenase was cloned from Clostridium histolyticum JCM 1403. Nucleotide sequencing showed a major open reading frame encoding a 116-kDa protein of 1,021 amino acid residues. The deduced amino acid sequence contains a putative signal sequence and a zinc metalloprotease consensus sequence, HEXXH. A 116-kDa collagenase and a 98-kDa gelatinase were copurified from culture supernatants of C. histolyticum. While the former degraded both native and denatured collagen, the latter degraded only denatured collagen. Peptide mapping with V8 protease showed that all peptide fragments, except a few minor ones, liberated from the two enzymes coincided with each other. Analysis of the N-terminal amino acid sequence of the two enzymes revealed that their first 24 amino acid residues were identical and coincided with those deduced from the nucleotide sequence. These results indicate that the 98-kDa gelatinase is generated from the 116-kDa collagenase by cleaving off the C-terminal region, which could be responsible for binding or increasing the accessibility of the collagenase to native collagen fibers. The role of the C-terminal region in the functional and evolutional aspects of the collagenase was further studied by comparing the amino acid sequence of the C. histolyticum collagenase with those of three homologous enzymes: the collagenases from Clostridium perfringens and Vibrio alginolyticus and Achromobacter lyticus protease I.
journal_name
J Bacterioljournal_title
Journal of bacteriologyauthors
Yoshihara K,Matsushita O,Minami J,Okabe Adoi
10.1128/jb.176.21.6489-6496.1994subject
Has Abstractpub_date
1994-11-01 00:00:00pages
6489-96issue
21eissn
0021-9193issn
1098-5530journal_volume
176pub_type
杂志文章abstract::A method for the transformation of Bacteroides fragilis with plasmid DNA was developed by using the clindamycin resistance plasmid pBFTM10 as the source of transforming DNA. The method was technically simple to perform and resulted in an average of 4.2 X 10(3) transformants per microgram of pBFTM10 added. A method for...
journal_title:Journal of bacteriology
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doi:10.1128/JB.164.1.466-469.1985
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abstract::Hirota, Yukinori (University of Osaka, Osaka, Japan), Toshio Fujii, and Yukinobu Nishimura. Loss and repair of conjugal fertility and infectivity of the resistance factor and sex factor in Escherichia coli. J. Bacteriol. 91:1298-1304. 1966.-The drug-resistance factor, R, and the sex factor, F, have homologous traits, ...
journal_title:Journal of bacteriology
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更新日期:1966-03-01 00:00:00
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journal_title:Journal of bacteriology
pub_type: 杂志文章
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abstract::The type III secretion (T3S) system is essential to the virulence of a large number of Gram-negative bacterial pathogens, including Yersinia. YscO is required for T3S in Yersinia and is known to interact with several other T3S proteins, including the chaperone SycD and the needle length regulator YscP. To define which...
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abstract::Chlamydia spp. express a functional type III secretion system (T3SS) necessary for pathogenesis and intracellular growth. However, certain essential components of the secretion apparatus have diverged to such a degree as to preclude their identification by standard homology searches of primary protein sequences. One e...
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journal_title:Journal of bacteriology
pub_type: 杂志文章
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journal_title:Journal of bacteriology
pub_type: 杂志文章
doi:10.1128/JB.95.2.286-290.1968
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abstract::In contrast to previous findings, we demonstrate that the dissimilatory (bi)sulfite reductase genes (dsrAB) of Desulfobacula toluolica were vertically inherited. Furthermore, Desulfobacterium anilini and strain mXyS1 were identified, by dsrAB sequencing of 17 reference strains, as members of the donor lineage for thos...
journal_title:Journal of bacteriology
pub_type: 杂志文章
doi:10.1128/JB.187.6.2203-2208.2005
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journal_title:Journal of bacteriology
pub_type: 杂志文章
doi:10.1128/jb.171.7.4031-4037.1989
更新日期:1989-07-01 00:00:00
abstract::Plasmid Rms312, specifying resistance to tetracycline (Tc), chloramphenicol (Cm), streptomycin (Sm), sulfonamide (Su), and mercury chloride (Mer), deletes both Tc and Cm Sm Su Mer determinants at a high frequency in Salmonella typhimurium LT2. S. typhimurium mutants that were stable carriers of Rms312 were isolated by...
journal_title:Journal of bacteriology
pub_type: 杂志文章
doi:10.1128/JB.142.1.145-152.1980
更新日期:1980-04-01 00:00:00
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journal_title:Journal of bacteriology
pub_type: 杂志文章
doi:10.1128/JB.123.1.372-373.1975
更新日期:1975-07-01 00:00:00
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journal_title:Journal of bacteriology
pub_type: 杂志文章
doi:10.1128/jb.170.5.2070-2077.1988
更新日期:1988-05-01 00:00:00
abstract::The anaerobic pathogen Clostridium perfringens encodes either toxin genes or antibiotic resistance determinants on a unique family of conjugative plasmids that have a novel conjugation region, the tcp locus. Studies of the paradigm conjugative plasmid from C. perfringens, the 47-kb tetracycline resistance plasmid pCW3...
journal_title:Journal of bacteriology
pub_type: 杂志文章
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更新日期:2015-02-15 00:00:00
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journal_title:Journal of bacteriology
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doi:10.1128/JB.180.15.3992-3996.1998
更新日期:1998-08-01 00:00:00
abstract::Reference strains from 48 selected serovars representing eight species of Leptospira were examined by two polymerase chain reaction (PCR)-based strategies. First, mapped restriction site polymorphisms (MRSP) were examined in PCR products from portions of rrs (16S rRNA gene) and rrl (23S rRNA gene). Twenty MRSP and 2 l...
journal_title:Journal of bacteriology
pub_type: 杂志文章
doi:10.1128/jb.175.4.973-981.1993
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abstract::During sporulation in diploid Saccharomyces cerevisiae, spindle pole bodies acquire the so-called meiotic plaque, a prerequisite for spore formation. Mpc70p is a component of the meiotic plaque and is thus essential for spore formation. We show here that MPC70/mpc70 heterozygous strains most often produce two spores i...
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abstract::A new Salmonella enterica serovar Typhimurium strain has been constructed to facilitate tightly regulated gene expression. Arabinose-inducible and glucose-repressible expression of a T7 RNA polymerase gene that has been integrated with an adjacent araC-P(BAD) control element into the bacterial chromosome allows dynami...
journal_title:Journal of bacteriology
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pub_type: 杂志文章
doi:10.1128/JB.180.2.231-235.1998
更新日期:1998-01-01 00:00:00
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journal_title:Journal of bacteriology
pub_type: 杂志文章
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更新日期:2001-04-01 00:00:00
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journal_title:Journal of bacteriology
pub_type: 杂志文章
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更新日期:2008-06-01 00:00:00
abstract::ZmaR is a resistance determinant of unusual abundance in the environment and confers on gram-positive and gram-negative bacteria resistance to zwittermicin A, a novel broad-spectrum antibiotic produced by species of Bacillus. The ZmaR protein has no sequence similarity to proteins of known function; thus, the purpose ...
journal_title:Journal of bacteriology
pub_type: 杂志文章
doi:10.1128/JB.181.17.5455-5460.1999
更新日期:1999-09-01 00:00:00
abstract::We have identified the transcription start site and regulatory region governing the expression of a sporulation gene in the spoIVC locus of Bacillus subtilis. Efficient expression and developmental regulation of this gene was controlled from a promoter region that extended no more than 110 base pairs upstream and no m...
journal_title:Journal of bacteriology
pub_type: 杂志文章
doi:10.1128/jb.170.8.3513-3522.1988
更新日期:1988-08-01 00:00:00
abstract::A 7.5-kbp fragment of chromosomal DNA downstream of the Vibrio cholerae vibriobactin outer membrane receptor, viuA, and the vibriobactin utilization gene, viuB, was recovered from a Sau3A lambda library of O395 chromosomal DNA. By analogy with the genetic organization of the Escherichia coli enterobactin gene cluster,...
journal_title:Journal of bacteriology
pub_type: 杂志文章
doi:10.1128/jb.182.6.1731-1738.2000
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abstract::Supplementation of the growth medium with high concentrations of NaCl, KCl, or sucrose caused a drastic change in the ratio of the two peptidoglycan-associated major outer membrane proteins of Escherichia coli K-12 in that the amounts of proteins b and c present in cell envelope preparations decreased and increased, r...
journal_title:Journal of bacteriology
pub_type: 杂志文章
doi:10.1128/JB.131.2.623-630.1977
更新日期:1977-08-01 00:00:00
abstract::Cell division in Caulobacter crescentus involves constriction and fission of the inner membrane (IM) followed about 20 min later by fission of the outer membrane (OM) and daughter cell separation. In contrast to Escherichia coli, the Caulobacter Tol-Pal complex is essential. Cryo-electron microscopy images of the Caul...
journal_title:Journal of bacteriology
pub_type: 杂志文章
doi:10.1128/JB.00607-10
更新日期:2010-10-01 00:00:00
abstract::Transport systems for K+ in Escherichia coli are not detectable in membrane vesicles, but vesicles will take up K+ (and Rb+) in the presence of valinomycin. It is generally believed that valinomycin acts as a lipid-soluble cation carrier and that it does not interact with or activate cation transport systems. This vie...
journal_title:Journal of bacteriology
pub_type: 杂志文章
doi:10.1128/jb.166.1.334-337.1986
更新日期:1986-04-01 00:00:00
abstract::The enzyme pattern of Saccharomyces cerevisiae was followed during batch growth and in continuous culture in a synthetic medium limited for glucose under aerobic conditions. Seven enzymes were measured: succinate-cytochrome c oxidoreductase, malate dehydrogenase, nicotinamide adenine dinucleotide-linked glutamate dehy...
journal_title:Journal of bacteriology
pub_type: 杂志文章
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更新日期:1968-08-01 00:00:00