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pro vyhledávání: '"Christine L. Simpson"'
Autor:
Catherine Rathsam, Gina V. Browne, Nicholas A. Jacques, Christine L. Simpson, Derek W. S. Harty, Ruth E. Eaton, Valentina A. Valova
Publikováno v:
Journal of Proteome Research. 4:2161-2173
Compared with traditional two-dimensional (2D) proteome analysis of Streptococcus mutans grown as a biofilm from a planktonic culture at steady state (Rathsam et al., Microbiol. 2005, 151, 1823-1837), the use of 2D fluorescence difference gel electro
Autor:
Catherine Rathsam, Nick Jacques, Christine L. Simpson, Gina V. Browne, Ruth E. Eaton, Tracey Berg, D. W. S. Harty
Publikováno v:
Microbiology. 151:1823-1837
Mature biofilm and planktonic cells ofStreptococcus mutanscultured in a neutral pH environment were subjected to comparative proteome analysis. Of the 242 protein spots identified, 48 were significantly altered in their level of expression (Pcin-box-
Publikováno v:
Infection and Immunity. 66:2085-2092
A locus containing a gene with homology to ccpA of other bacteria has been cloned from Streptococcus mutans LT11, sequenced, and named regM . Upstream of the regM gene, on the opposite strand, is a gene encoding an X-Pro dipeptidase, pepQ . A 14-bp p
Publikováno v:
Microbiology. 141:1451-1460
The four recombinant glucosyltransferases (GTFs), GtfJ, GtfK, GtfL and GtfM, that had previously been cloned from Streptococcus salivarius ATCC 25975, were individually expressed in Escherichia coli and their glucan products and kinetic properties we
Publikováno v:
FEMS Microbiology Letters. 108:93-97
The glucosyltransferases from oral streptococci cleave sucrose and polymerize the glucose moieties. In Streptococcus salivarius ATCC 25975, two glucosyltransferase-encoding genes, gtfJ and gtfK, are closely linked and transcribed in the same directio
Autor:
D. W. S. Harty, Neil Hunter, John A. Mayo, Nicholas A. Jacques, Simon L. Cook, Tracey Berg, Christine L. Simpson, Yingjian Chen
Publikováno v:
Biochemical and biophysical research communications. 319(2)
An N-acetyl-beta-D-glucosaminidase (GcnA) from Streptococcus gordonii FSS2 was cloned and sequenced. GcnA had a deduced molecular mass of 72,120 Da. The molecular weight after gel-filtration chromatography was 140,000 Da and by SDS-PAGE was 70,000 Da
Publikováno v:
Journal of bacteriology. 180(17)
Dental caries arises as a consequence of enamel demineralization by organic acid end products formed by metabolism of dietary carbohydrates by bacteria in dental plaque. The organism believed to be the principal etiological agent of dental caries is
Publikováno v:
Scopus-Elsevier
Fractionation of the culture medium showed that Streptococcus salivarius ATCC 25975 secreted a glucosyltransferase (Gtf) that was primer independent. On the basis of this observation, a gene library of S. salivarius chromosomal DNA cloned into lambda
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49a38b5da045c92c240bd100577464b7
https://europepmc.org/articles/PMC173040/
https://europepmc.org/articles/PMC173040/
Autor:
Philip M. Giffard, Nicholas A. Jacques, Donna M. Allen, Carolyn P. Milward, Christine L. Simpson
Publikováno v:
Journal of general microbiology. 139(7)
Summary: Many strains of oral streptococci secrete glucosyltransferases (GTFs) that polymerize sucrose into glucans that form an integral part of the plaque matrix on the tooth surface. Recently, we reported the cloning of two closely linked GTF-enco
Publikováno v:
Journal of general microbiology. 137(11)
The oral micro-organism Streptococcus salivarius ATCC 25975 synthesizes extracellular glucosyltransferases (GTFs) which polymerize the glucose moiety of sucrose into glucan polymers. Two separate genes encoding the activities of a GTF-I (a GTF that s