{"title":"[Luncheon Seminar].","authors":"","doi":"10.3412/jsb.78.155","DOIUrl":"https://doi.org/10.3412/jsb.78.155","url":null,"abstract":"","PeriodicalId":19308,"journal":{"name":"Nihon saikingaku zasshi. Japanese journal of bacteriology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10822890","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[Poster].","authors":"","doi":"10.3412/jsb.78.62","DOIUrl":"https://doi.org/10.3412/jsb.78.62","url":null,"abstract":"","PeriodicalId":19308,"journal":{"name":"Nihon saikingaku zasshi. Japanese journal of bacteriology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10822896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[Special Session].","authors":"","doi":"10.3412/jsb.77.7","DOIUrl":"https://doi.org/10.3412/jsb.77.7","url":null,"abstract":"","PeriodicalId":19308,"journal":{"name":"Nihon saikingaku zasshi. Japanese journal of bacteriology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39814385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
There are a huge number of bacterial species on earth, and a huge intra-species genomic diversity are also observed in many bacteria. The high ability of bacteria to acquire foreign DNA and the presence of various mobile genetic elements contribute the generation of such genomic diversity. During the biochemical and genetic analysis of a Pseudomonas aeruginosa toxin, called cytotoxin, and its converting phage, which I first engaged in my research carrier, I became very interested in the genetic diversity of bacteria and mobile genetic elements such as bacteriophages, and realized the usefulness and power of genome analysis. Since then, I have been involved in genome analyses of various pathogenic bacteria such as enterohemorrhagic Escherichia coli (EHEC), commensal bacteria of human and other animals, and bacteria or bacterial communities in natural environments. I was so lucky that I jumped in this research field at the very begging of genome analyses and experienced a very exciting time of surprisingly rapid advance in genome sequencing technologies which revolutionized a wide range of biology. In this article, I first review the main findings which our group obtained from the genome analyses on the P. aeruginosa cytotoxin converting phage and those on the evolution and genomic diversity of EHEC and related bacteria. The results of our analyses of Rickettsiaceae family genomes, which show surprisingly very low genomic diversity, and genome sequence-based analyses of an intrahospital bacterial outbreak and within-host genomic diversity are also summarized.
{"title":"[Genome analysis-based studies on bacterial genetic diversity].","authors":"Tetsuya Hayashi","doi":"10.3412/jsb.77.145","DOIUrl":"https://doi.org/10.3412/jsb.77.145","url":null,"abstract":"<p><p>There are a huge number of bacterial species on earth, and a huge intra-species genomic diversity are also observed in many bacteria. The high ability of bacteria to acquire foreign DNA and the presence of various mobile genetic elements contribute the generation of such genomic diversity. During the biochemical and genetic analysis of a Pseudomonas aeruginosa toxin, called cytotoxin, and its converting phage, which I first engaged in my research carrier, I became very interested in the genetic diversity of bacteria and mobile genetic elements such as bacteriophages, and realized the usefulness and power of genome analysis. Since then, I have been involved in genome analyses of various pathogenic bacteria such as enterohemorrhagic Escherichia coli (EHEC), commensal bacteria of human and other animals, and bacteria or bacterial communities in natural environments. I was so lucky that I jumped in this research field at the very begging of genome analyses and experienced a very exciting time of surprisingly rapid advance in genome sequencing technologies which revolutionized a wide range of biology. In this article, I first review the main findings which our group obtained from the genome analyses on the P. aeruginosa cytotoxin converting phage and those on the evolution and genomic diversity of EHEC and related bacteria. The results of our analyses of Rickettsiaceae family genomes, which show surprisingly very low genomic diversity, and genome sequence-based analyses of an intrahospital bacterial outbreak and within-host genomic diversity are also summarized.</p>","PeriodicalId":19308,"journal":{"name":"Nihon saikingaku zasshi. Japanese journal of bacteriology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40721162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[Sponsor On-demand Presentation].","authors":"","doi":"10.3412/jsb.77.117","DOIUrl":"https://doi.org/10.3412/jsb.77.117","url":null,"abstract":"","PeriodicalId":19308,"journal":{"name":"Nihon saikingaku zasshi. Japanese journal of bacteriology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39814375","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[Workshop].","authors":"","doi":"10.3412/jsb.77.37","DOIUrl":"https://doi.org/10.3412/jsb.77.37","url":null,"abstract":"","PeriodicalId":19308,"journal":{"name":"Nihon saikingaku zasshi. Japanese journal of bacteriology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39814380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[ICD].","authors":"","doi":"10.3412/jsb.77.118","DOIUrl":"https://doi.org/10.3412/jsb.77.118","url":null,"abstract":"","PeriodicalId":19308,"journal":{"name":"Nihon saikingaku zasshi. Japanese journal of bacteriology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39814376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[Index].","authors":"","doi":"10.3412/jsb.77.120","DOIUrl":"https://doi.org/10.3412/jsb.77.120","url":null,"abstract":"","PeriodicalId":19308,"journal":{"name":"Nihon saikingaku zasshi. Japanese journal of bacteriology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39814377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[Symposium].","authors":"","doi":"10.3412/jsb.77.17","DOIUrl":"https://doi.org/10.3412/jsb.77.17","url":null,"abstract":"","PeriodicalId":19308,"journal":{"name":"Nihon saikingaku zasshi. Japanese journal of bacteriology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39814379","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[Special Lecture].","authors":"","doi":"10.3412/jsb.77.3","DOIUrl":"https://doi.org/10.3412/jsb.77.3","url":null,"abstract":"","PeriodicalId":19308,"journal":{"name":"Nihon saikingaku zasshi. Japanese journal of bacteriology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39814378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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