Bakterial'nye Poroformiruyushchie Toksiny: Vydelenie I Kharakteristika Gemolizina II Bacillus Cereus - Zhanna Kovalevskaya - Books - LAP LAMBERT Academic Publishing - 9783843301176 - October 26, 2010
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Bakterial'nye Poroformiruyushchie Toksiny: Vydelenie I Kharakteristika Gemolizina II Bacillus Cereus Russian edition

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Toksiny, produtsiruemye bakteriyami, igrayut osnovnuyu rol' v razvitie zabolevaniy. Odin iz toksinov Bacillus cereus ? gemolizin II(HlyII) naibolee interesen, tak kak ego gen obnaruzhen ne tol'ko v B.cereus, kotoryy mozhet vyzyvat' diarreynyy i emeticheskiy sindromy, zabolevaniya glaz, mastity, meningit, no i v B.thuringiensis, ispol'zuyushchimsya dlya proizvodstva insektitsidnykh preparatov, i v B.anthracis vyzyvayushchego sibirskuyu yazvu. HlyII yavlyaetsya poroobrazuyushchim tsitoliticheskim toksinom, kotoryy sekretiruetsya bakteriyami v okruzhayushchuyu sredu v forme monomera. Monomery HlyII vzaimodeystvuyut s kletochnymi membranami, oligomerizuyutsya s obrazovaniem otkrytykh transmembrannykh geksa-, gepta- i oktamernykh struktur? nanopor s funktsional'nym diametrom 12-16Å. Nizkomolekulyarnye veshchestva nachinayut prokhodit' cherez nanopory, chto privodit k narusheniyu gomeostaza i k gibeli kletki. HlyII liziruet razlichnye eukarioticheskie kletki i mozhet privodit' k gibeli makroorganizma, naprimer dafniy- pri etom proiskhodit lizis mnozhestva kletok, chto privodit k narusheniyu atakuemykh organov. Tsitoliticheskoe patogennoe deystvie HlyII na raznye kletki i makroorganizmy obuslovleno obrazovaniem ionprovodyashchikh kanalov v kletochnykh membranakh.

Media Books     Paperback Book   (Book with soft cover and glued back)
Released October 26, 2010
ISBN13 9783843301176
Publishers LAP LAMBERT Academic Publishing
Pages 164
Dimensions 150 × 10 × 225 mm   ·   262 g
Language German