The specificationof nano-structure superficial layers in some of the pathogen bacteria

shilla jalaloor; Rooha Kasra-Kermanshahi; Ashraf Sadat Noohi; Hamid Zarkesh-Esfahani

Zahedan Journal of Research in Medical Sciences

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The specificationof nano-structure superficial layers in some of the pathogen bacteria

Author(s):

shilla jalaloor^1,*,

Rooha Kasra-Kermanshahi²,

Ashraf Sadat Noohi³,

Hamid Zarkesh-Esfahani⁴

1MSc of Microbiology, Membership of Young Researchers Club, Islamic Azad University Shahreza Branch, Isfahan, Iran.

2Professor of Biology, School of Basic Sciences, University of Alzahra, Tehran, Iran.

3Professor of Biology, School of Sciences, University of Tehran, Tehran, Iran.

4Assistant Professor of Biology, School of Sciences, University of Isfahan, Isfahan, Iran.

Zahedan Journal of Research in Medical Sciences:Vol. 12, issue 4; e94281

Published online:Sep 12, 2010

Article type:Review Article

Received:May 15, 2010

Accepted:Jul 26, 2010

How to Cite:shilla jalaloorRooha Kasra-KermanshahiAshraf Sadat NoohiHamid Zarkesh-EsfahaniThe specificationof nano-structure superficial layers in some of the pathogen bacteria.Zahedan J Res Med Sci.2010;12(4):e94281.

Abstract

Background: The superficial layer is a part of the cellular envelop that is seen in bacteria and archaea. This superficial layer is a single layer structure composed of subordinate proteins or glycoproteins. The superficial layer is the outer most cellular structure that is in the exchange and reaction around environment with bacteria. This structure has very diversity in bacteria different types.

Materials and Method: The related articles to superficial layer were extracted of these articles: Pubmed, Elsevier Science, and Yahoo, from 1995 to 2010 years. For this purpose keywords were searched including superficial layer, pathogenesis, pathogen bacteria,

Results: There is consensus in the case of the superficial layer and about the existence of this superficial structure lead to increased pathogenesis in bacteria, in all of the research articles.

Conclusion: S-layers in pathogen bacteria with bacteria protection against bacteriophages and phagocytosis, resistance against low pH, adhesion, stabilisation of the membrane and providing adhesion sites for exoproteins caused pathogenesis, infection resistant and antibiotic resistant in host.

The result of this study shows the prevalence of considerable S-layer in pathogen bacteria and this matter identified the bacteria generator importance of this structure in the laboratory

Keywords

Superficial layer

pathogenesis

pathogen bacteria

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