紀要論文 枯草菌SPβファージのIntegration/Excisionの制御機構
INTEGRATION/ EXCISION MECHANISM OF SPβ PROPHAGE IN BACILLUS SUBTILIS

河野, 裕太  ,  KAWANO, Yuta

562015-03-24 , 法政大学大学院理工学・工学研究科
ISSN:21879923
NII書誌ID(NCID):AA12677220
内容記述
In Bacillus subtilis strain 168, the SPβ prophage is inserted into a spore polysaccharide synthesis gene spsM.The SPβ excision supports two pathways both the phage life cycle and normal sporulation to reconstitute the spsM gene of the host cells, and it requires a site-specific recombinase, SprA, and an accessory protein, SprB. In this study, I showed that the process of integration is catalyzed by SprA (integrase), whereas the excision is catalyzed by SprA but also requires SprB (RDF; recombination directionality factor). Furthermore, I demonstrated that the extracellular SPβ DNA released from the mother cell during sporulation can be horizontally acquired by recipients without SPβ prophage through the process of natural competence.
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http://repo.lib.hosei.ac.jp/bitstream/10114/10742/1/13R7103.pdf

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