NDLI: Role of different classes of mammalian cell surface molecules in adherence of coagulase positive and coagulase negative staphylococci.

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Role of different classes of mammalian cell surface molecules in adherence of coagulase positive and coagulase negative staphylococci.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Hafez, Mohamed M. Aboulwafa, Mohammad M. Yassien, Mahmoud A. Hassouna, Nadia A.
Description	Country affiliation: Egypt Author Affiliation: Hafez MM ( Department of Microbiology and Immunology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt.)
Abstract	In the present study the role of different mammalian cell receptors in adherence of the coagulase positive pathogen, Staphylococcus aureus and some coagulase negative staphylococci, namely Staphylococcus epidermidis and Staphylococcus saprophyticus was investigated. Upon testing the adherence to Vero and Hep-2 cells, S. aureus isolates showed an adherence to both cell lines while S. epidermidis and S. saprophyticus isolates adhered to Vero cells only. According to the obtained results, both O-linked and N-linked mammalian cell surface glycoproteins are involved in the adherence of S. aureus isolates to Vero and Hep-2 cells, whereas only the O-linked ones serve as receptors for adherence of S. epidermidis and S. saprophyticus isolates to Vero cells. Of the O-linked glycoproteins, GAG-like receptors are involved in adherence of all tested isolates to Vero cells. The coagulase positive staphylococci preferred to adhere to the highly sulphated GAGs (Heparin and chondroitin sulphate B) while the coagulase negative isolates showed higher affinity to the less sulphated ones (Chondroitin sulphate A and C). Mucin like receptors appeared to be important for the adherence of all tested staphylococci. The role exhibited by fibronectin- and fibrinogen-like receptors was detected with S. aureus and S. epidermidis but not with S. saprophyticus isolates. While, collagen and gelatin were found to contribute to the adherence of S. aureus isolates only. Neither carbohydrate moieties of the glycoconjugates nor lipid molecules on the mammalian cell surface played a role in the adherence of the tested staphylococcal isolates. Taken together, the results revealed that both coagulase negative and coagulase positive staphylococcal tested isolates adhere to the same classes of mammalian cell surface receptors such as mucin-like, fibrinogen-like, fibronectin-like and GAG-like receptors. However, the tested isolates exhibited different degrees of affinities to such receptors.
File Format	HTM / HTML
ISSN	0233111X
Issue Number	5
Volume Number	48
e-ISSN	15214028
Journal	Journal of Basic Microbiology
Language	English
Publisher	Wiley-VCH Verlag
Publisher Date	2008-10-01
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Microbiology Bacterial Adhesion Coagulase Metabolism Glycosaminoglycans Receptors, Cell Surface Staphylococcus Animals Bacterial Proteins Cercopithecus Aethiops Collagen Gelatin Humans Vero Cells Journal Article
Content Type	Text
Resource Type	Article
Subject	Medicine Applied Microbiology and Biotechnology

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