Beta Lactamase production by Staphylococcus aureus from children with sporadic Diarrhoea in Ibadan and Ago-Iwoye, Nigeria
نویسندگان
چکیده
منابع مشابه
Shigella Serotypes among Nursery and Primary School Children with Diarrhoea in Ago-iwoye and Ijebu-igbo, Southwestern Nigeria
Objective: Shigellosis is an important gastrointestinal infection in tropical and temperate countries. The purpose of this investigation was to determine the prevalence and antibiotic resistance of the different serotypes of Shigella species among nursery and primary school children with diarrhoea in two semi-urban communities in Nigeria. Methods:The isolates were characterized using standard b...
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The few reports from Africa on sensitivity determinations of Neisseria gonorrhoeae suggest that there is an increasing resistance in the strains, as has been found in other parts of the world. In the current study, the penicillin sensitivities and β-lactamase production of 80 consecutive strains of N. gonorrhoeae isolated from cases of acute urethritis in African men in Ibadan were studied. Of ...
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The role that domain flexibility plays in the enzymatic activity of beta-lactamase from Staphylococcus aureus PC1 was investigated by producing two circularly permuted molecules. The C- and N-termini of the wild-type enzyme are adjacent to each other and remote from the active site, which is located between two domains. The polypeptide chain crosses over from one domain to the other twice. For ...
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Four beta-lactamase-producing clinical isolates (WH245, WH257, CH570, and DEL) of Enterococcus faecalis were examined for the presence of the staphylococcal beta-lactamase regulatory genes (blaR1 and blaI) by PCR using six primer pairs. All isolates produced small amounts of beta-lactamase constitutively. In WH245, CH570, and DEL, the corresponding regions of the regulatory genes have lost sequ...
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In a beta-lactamase-inducible strain of Staphylococcus aureus, the enzyme appears spontaneously in the absence of added inducer during lag and early log phases of growth and then declines rapidly to low levels. The endogenous inducer responsible for appearance of the enzyme has been isolated and purified and characterized as a peptidoglycan, containing muramic acid, glucosamine, glutamic acid, ...
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ژورنال
عنوان ژورنال: African Journal of Biomedical Research
سال: 2009
ISSN: 1119-5096
DOI: 10.4314/ajbr.v10i1.48977