A A Fatkulin, T A Chuksina, N P Sorokina, I T Smykov, E V Kuraeva, E S Masezhnaya, K A Smagina, M Yu Shkurnikov
{"title":"Comparative Analysis of Spacer Targets in CRISPR-Cas Systems of Starter Cultures.","authors":"A A Fatkulin, T A Chuksina, N P Sorokina, I T Smykov, E V Kuraeva, E S Masezhnaya, K A Smagina, M Yu Shkurnikov","doi":"10.32607/actanaturae.27533","DOIUrl":null,"url":null,"abstract":"<p><p>Dairy production facilities represent a unique ecological niche for bacteriophages of lactic acid bacteria. Throughout evolution, bacteria have developed a wide range of defense mechanisms against viral infections caused by bacteriophages. The CRISPR-Cas system is of particular interest due to its adaptive nature. It allows bacteria to acquire and maintain specific resistance to certain bacteriophages. In this study, we investigated the CRISPR-Cas systems of lactic acid bacteria. Special attention was paid to the specificity of the spacers in CRISPR cassettes. CRISPR-Cas systems were found in the genomes of 43% of the lactic acid bacteria studied. Additionally, only 13.1% of the total number of CRISPR cassette spacers matched bacteriophage genomes, indicating that many predicted spacers either lack known phage targets or are directed against other types of mobile genetic elements, such as plasmids.</p>","PeriodicalId":6989,"journal":{"name":"Acta Naturae","volume":"16 4","pages":"81-85"},"PeriodicalIF":2.0000,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11771843/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta Naturae","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.32607/actanaturae.27533","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CELL BIOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Dairy production facilities represent a unique ecological niche for bacteriophages of lactic acid bacteria. Throughout evolution, bacteria have developed a wide range of defense mechanisms against viral infections caused by bacteriophages. The CRISPR-Cas system is of particular interest due to its adaptive nature. It allows bacteria to acquire and maintain specific resistance to certain bacteriophages. In this study, we investigated the CRISPR-Cas systems of lactic acid bacteria. Special attention was paid to the specificity of the spacers in CRISPR cassettes. CRISPR-Cas systems were found in the genomes of 43% of the lactic acid bacteria studied. Additionally, only 13.1% of the total number of CRISPR cassette spacers matched bacteriophage genomes, indicating that many predicted spacers either lack known phage targets or are directed against other types of mobile genetic elements, such as plasmids.
期刊介绍：
Acta Naturae is an international journal on life sciences based in Moscow, Russia.
Our goal is to present scientific work and discovery in molecular biology, biochemistry, biomedical disciplines and biotechnology. These fields represent the most important priorities for the research and engineering development both in Russia and worldwide. Acta Naturae is also a periodical for those who are curious in various aspects of biotechnological business, innovations in pharmaceutical areas, intellectual property protection and social consequences of scientific progress. The journal publishes analytical industrial surveys focused on the development of different spheres of modern life science and technology.
Being a radically new and totally unique journal in Russia, Acta Naturae is useful to both representatives of fundamental research and experts in applied sciences.
求助内容：
应助结果提醒方式：
京公网安备 11010802042870号
