coli bacteria in estuarine waters that cover the whole salinity range from freshwater to full seawater. Bacterial counts for total coliform and E. coli in waters are normally orders of magnitude higher at the freshwater end than at the seaward end of an estuary (see Fig. 1). Bacterial counts...
在此基础上,并结合在E.coli中基因转录与环境压力间的相关性以及自发单链断裂在静止期E.coli基因组中的普遍性,S·M·罗森博格等人推断:在E.coli承受环境压力并处于静止期时,R环可在一定程度上将DSB,进而将依赖于DSBR的适应性遗传变化,限制于基因组中与细胞对环境压力的适应较为相关的区域——转录基因和调控元件...
In Ontario, Canada's most populous province with more than 14 million residents, we have recently linked microbiology test results to healthcare administrative datasets,[2]such that it is now possible to study the relative risk of death amo...
注:现有实验结果显示:RpoE的活性随E. coli细胞的生长状态从对数期到静止期的过渡逐渐提高;当E.coli细胞从对数期进入静止期时,RpoE的活性达到峰值(为对数期早期的19.5倍),这种峰值活性需要ppGpp(但无需RseA),且持存于整个静止期早期(RpoE的细胞含量虽不受ppGpp的影响,但也会在静止期提高至对数期的5倍。)。(...
The finding could lead to the development of beta-blockers as a therapy to impede this cellular signaling system, causing the harmful bacteria to pass blindly through the digestive tract, according to Vanessa Sperandio, assistant professor of microbiology."You're not really attacking the bacteria ...
E. coliinfections aren't typically treated with antibiotics unless the infection is outside the intestinal tract, such as with a UTI. Within the intestinal tract, though, "antibiotics may kill other beneficial bacteria in the gut, allowing more space and nutrients for theE. colito grow," said...
Survival of E. coli, coliform bacteria (K. pneumoniae) and the pathogen C. jejuni in drinking water distribution networks:Oral 45BT - 15th Health Related Water Microbiology Symposium, 31.05 - 05.06 2009, Naxos, GreeceÓluva Karin Vang
BL21(DE3)源大肠杆菌(E. coli)化学感受态细胞 利用固相金属离子亲和层析(IMAC)分离含多聚组氨酸标签的重组蛋白时,目的蛋白经常被大量的大肠杆菌(E. coli)内源金属结合蛋白所污染。蛋白表达菌 NiCo21(DE3)经基因工程改造,使 IMAC 组分中的E. coli蛋白污染减少到最低:GlmS 在突变后消除了与 IMAC 树脂结合的能力,...
摘要: recombination deficient mutants of e. coli and other bacteria 关键词: Bacillus subtilis Escherichia coli Haemophilus influenzae Deoxyribonucleases Exonucleases Adenosine Triphosphate DNA, Bacterial Chromosome Mapping Ultraviolet Rays Genes, Dominant ...
of these systems into fermentative strains of related bacteria may lead to biocatalysts for consolidated bioprocessing of hemicelluloses released from ... Neha,Sawhney,Casey,... - 《Applied & Environmental Microbiology》 被引量: 24发表: 2015年 加载更多研究点推荐 Recombinant E Coli Producing Glucuronid...