The .BETA.-lactamases of genus Bacteroides.
نویسندگان
چکیده
منابع مشابه
An investigation of beta-lactamases from clinical isolates of Bacteroides species.
Among a group of 116 clinically significant isolates of Bacteroides spp., 24 exhibited beta-lactamase activity greater than the basal level characteristic of most Bacteroides strains. Investigation of specific enzyme activity, iso-electric point and enzyme inhibition profiles revealed that the beta-lactamases involved could be divided into four groups, some showing similarity to those described...
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This study was undertaken as an extension of two previous reports on the problem of non-sporulating, anaerobic bacilli; namely, that of Thompson and Beaver, (1931, 1932) and that of Beaver, Henthorne, and Macy (1934). The object of this research was the investigation of the morphologic, biologic, and agglutinative properties of several Gram-negative species of nonsporulating anaerobic bacilli; ...
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The extracellular production of hyaluronidase and chondroitin sulfatase was demonstrated in all of the subspecies of Bacteroides fragilis tested with the exception of B. fragilis subsp. vulgatus. Elastase was found only in one strain of B. coagulans tested. This appears to be the first report of these enzyme activities in this genus. Additional enzymes found to be produced by certain members ot...
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Beta-lactamase enzymes (BLs) have become the most worrisome mediators of antimicrobial resistance expressed by gram-negative bacteria (GNB). The multiple families of BLs have in common the ability to hydrolyze the -lactam rings of one or more members of the penicillins, cephalosporins, cephamycins, carbapenems, and monobactams. Extended-spectrum -lactamases (ESBLs) are a subset of BLs that conf...
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Objective(s) Resistance to the new generation of cephalosporins which is mediated by Extended-Spectrum beta-lactamases (ESBLs) has been found among Escherichia coli isolates throughout the world. These resistance genes and their producers, the micro-organisms carrying beta-lactamases, are responsible for serious clinical and therapeutic problems among inpatients and it is necessary to pay more...
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ژورنال
عنوان ژورنال: The Journal of Antibiotics
سال: 1983
ISSN: 0021-8820,1881-1469
DOI: 10.7164/antibiotics.36.423