Electron microscopic examination of the dormant spore and the sporulation of Paenibacillus motobuensis strain MC10.

Electron microscopic examination of the dormant spore and the sporulation of Paenibacillus motobuensis strain MC10. Research Abstract Details 

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Electron microscopic examination of the dormant spore and the sporulation of Paenibacillus motobuensis strain MC10. Abstract Text:

Ken-ichiro Iida,Kazunobu Amako,Akemi Takade,Yasuichi Ueda,Shin-ichi Yoshida,Ken-ichiro Iida,Kazunobu Amako,Akemi Takade,Yasuichi Ueda,Shin-ichi Yoshida,

We previously reported a new species Paenibacillus motobuensis. The type strain MC10 was stained gram-negative, but had a gram-positive cell wall structure and its spore had a characteristic star shape. The spore and sporulation process of P. motobuensis strain MC10 were examined by electron microscopy using the technique of freeze-substitution in thin sectioning. The structure of the dormant spore was basically the same as that of the other Bacillus spp. The core of the spore was enveloped with two main spore components, the cortex and the spore coat. In thin section, the spore showed a star-shaped image, which was derived from the structure of the spore coat, which is composed of three layers, namely the inner, middle and outer spore coat. The middle coat was an electron-dense thick layer and had a characteristic ridge. By scanning electron microscopic observation, the ridges were seen running parallel to the long axis of the oval-shaped spore. The process of sporulation was essentially the same as that of the other Bacillus spp. The forespore was engulfed by the mother cell membrane, then the spore coat and the cortex were accumulated in the space between the mother cell membrane and forespore membrane. The mother cell membrane seemed to participate in the synthesis of the spore coat. MC10 strain showed almost identical heat resistance to that of B. subtilis.

Electron microscopic examination of the dormant spore and the sporulation of Paenibacillus motobuensis strain MC10. Publishing Authors By Initials

K Iida,K Amako,A Takade,Y Ueda,S Yoshida,K Iida,K Amako,A Takade,Y Ueda,S Yoshida,

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Electron microscopic examination of the dormant spore and the sporulation of Paenibacillus motobuensis strain MC10. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Microbiology and immunology

VOLUME: 51

Page Numbers: 643-8

Journal Abbreviation: Microbiol. Immunol.

ISSN: 0385-5600

DAY: 20

MONTH: 07

YEAR: 2007

Electron microscopic examination of the dormant spore and the sporulation of Paenibacillus motobuensis strain MC10. Information

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LANGUAGE: eng

NlmUniqueID: 7703966

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Grant and Affiliation Information for Electron microscopic examination of the dormant spore and the sporulation of Paenibacillus motobuensis strain MC10.

AFFILIATION: Department of Bacteriology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan. iida@bact.med.kyushu-u.ac.jp

Country: Japan

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MEDLINETA: Microbiol Immunol

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