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Protease susceptibility of the Caulobacter crescentus flagellar hook-basal body: a possible mechanism of flagellar ejection during cell differentiation.
Kanbe, M; Shibata, S; Umino, Y; Jenal, U; Aizawa, S-I.
Afiliación
  • Kanbe M; Graduate School of Natural Sciences, Nagoya City University, 1 Yamanohata, Mizuho, Nagoya 467-8501, Japan.
  • Shibata S; CREST, Japan Science and Technology Agency (JST), 1064-18 Takahori, Hirata, Takanezawa, Shioya-gun, Tochigi 329-1206, Japan.
  • Umino Y; CREST, Japan Science and Technology Agency (JST), 1064-18 Takahori, Hirata, Takanezawa, Shioya-gun, Tochigi 329-1206, Japan.
  • Jenal U; CREST, Japan Science and Technology Agency (JST), 1064-18 Takahori, Hirata, Takanezawa, Shioya-gun, Tochigi 329-1206, Japan.
  • Aizawa SI; Division of Molecular Microbiology, Biozentrum, University of Basel, CH-4056 Basel, Switzerland.
Microbiology (Reading) ; 151(Pt 2): 433-438, 2005 Feb.
Article en En | MEDLINE | ID: mdl-15699192
When motile swarmer cells of Caulobacter crescentus differentiate into sessile stalked cells, the flagellum is ejected. To elucidate the molecular mechanism of the flagellar ejection, flagellar hook-basal body (HBB) complexes from C. crescentus were purified and characterized. The purified HBBs were less stable against acidic pH or protease treatment than HBBs of Salmonella typhimurium, supporting the view that flagellar ejection from C. crescentus is initiated by destruction of the fragile basal structures. In addition, protease treatment of the purified flagella resulted in the specific digestion of the MS ring complex, revealing for the first time the intact structure of the whole rod.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Péptido Hidrolasas / Caulobacter crescentus / Flagelos Idioma: En Revista: Microbiology (Reading) Asunto de la revista: MICROBIOLOGIA Año: 2005 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Péptido Hidrolasas / Caulobacter crescentus / Flagelos Idioma: En Revista: Microbiology (Reading) Asunto de la revista: MICROBIOLOGIA Año: 2005 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Reino Unido