{"title":"[The effect of the physiological state of Escherichia coli on the nucleoid ultrastructure under stress exposures].","authors":"A G Tkachenko, A A Chudinov, N S Churilova","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The energetic state and activity of polyamine-synthesizing system of E. coli were studied under conditions of aerobic-anaerobic and pH transitions, nutrition shifts, osmotic and heat shocks. The electron microscopy of cells showed a correlation between cell physiological state and nucleoid ultrastructure. The role of energetic status and polyamines in the regulation of DNA supercoiling is discussed which is a putative cause for the changes observed in the nucleoid ultrastructure.</p>","PeriodicalId":14529,"journal":{"name":"Izvestiia Akademii nauk SSSR. Seriia biologicheskaia","volume":" 1","pages":"42-51"},"PeriodicalIF":0.0000,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Izvestiia Akademii nauk SSSR. Seriia biologicheskaia","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The energetic state and activity of polyamine-synthesizing system of E. coli were studied under conditions of aerobic-anaerobic and pH transitions, nutrition shifts, osmotic and heat shocks. The electron microscopy of cells showed a correlation between cell physiological state and nucleoid ultrastructure. The role of energetic status and polyamines in the regulation of DNA supercoiling is discussed which is a putative cause for the changes observed in the nucleoid ultrastructure.
分享
京公网安备 11010802042870号
京ICP备2023020795号-1
求助内容：
应助结果提醒方式：
扫码关注我们
