Publication Date:
2005-02-26
Description:
Many pathogenic bacteria use a type III secretion nanomachine (an injectisome) to deliver virulence proteins into the cytosol of their eukaryotic host cells. Most injectisomes possess a stiff needlelike structure of a genetically defined length. We found that a minimal needle length was required for efficient functioning of the Yersinia enterocolitica injectisome. This minimal needle length correlated with the length of the major adhesin at the bacterial surface. The needle may be required for triggering type III secretion, and its length may have evolved to match specific structures at the bacterial and host cell surfaces.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mota, Luis Jaime -- Journet, Laure -- Sorg, Isabel -- Agrain, Celine -- Cornelis, Guy R -- New York, N.Y. -- Science. 2005 Feb 25;307(5713):1278.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biozentrum, Universitat Basel, 4056 Basel, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15731447" target="_blank"〉PubMed〈/a〉
Keywords:
Adhesins, Bacterial/chemistry/*metabolism
;
Animals
;
Bacterial Outer Membrane Proteins/metabolism
;
Bacterial Proteins/chemistry/genetics/metabolism
;
Cell Line
;
Macrophages/metabolism/microbiology
;
Mice
;
Plasmids
;
Protein-Serine-Threonine Kinases/metabolism
;
Virulence
;
Virulence Factors/metabolism
;
Yersinia enterocolitica/genetics/*metabolism/*pathogenicity
Print ISSN:
0036-8075
Electronic ISSN:
1095-9203
Topics:
Biology
,
Chemistry and Pharmacology
,
Computer Science
,
Medicine
,
Natural Sciences in General
,
Physics
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