Carbohydrate Composition of the Phenol-soluble Lipopolysaccharides of Citrobacter freundii
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چکیده
منابع مشابه
Genetic Characterization of Atypical Citrobacter freundii
The ability of a bacterial population to survive in different niches, as well as in stressful and rapidly changing environmental conditions, depends greatly on its genetic content. To survive such fluctuating conditions, bacteria have evolved different mechanisms to modulate phenotypic variations and related strategies to produce high levels of genetic diversity. Laboratories working in microbi...
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We report the 5.0-Mb genome sequence of the type species of the genus Citrobacter, Citrobacter freundii strain MTCC 1658, isolated from canal water. This draft genome sequence of C. freundii strain MTCC 1658(T) consists of 5,001,265 bp with a G+C content of 51.61%, 4,691 protein-coding genes, 70 tRNAs, and 10 rRNAs.
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To determine whether the widespread clinical use of -lactams has been selective for Citrobacter freundiiderived alleles of plasmid ampC genes, we generated a Bayesian consensus phylogeny of the published ampC sequences and compared the MICs of 16 -lactam antibiotics for Escherichia coli strains containing cloned copies of the C. freundii ampC alleles. We found that for the majority of compounds...
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Resistance to quinolones in Gram-negative bacteria is usually mediated by the following: (i) chromosomal mutations that alter the target enzymes, DNA gyrase and topoisomerase IV, in their quinolone resistance-determining regions (QRDR), (ii) changes in drug entry (loss of porin channels), and (iii) the presence of plasmid-mediated quinolone resistance (PMQR) determinants [qnrA, qnrB, qnrS, qnrC...
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ژورنال
عنوان ژورنال: Journal of Bacteriology
سال: 1968
ISSN: 0021-9193,1098-5530
DOI: 10.1128/jb.95.6.2035-2043.1968