Regulation of (p)ppGpp and Its Homologs on Environmental Adaptation, Survival, and Pathogenicity of Streptococci
文献类型： 外文期刊
作者： Zhang, Tengfei 1 ; Zhu, Jiawen 1 ; Xu, Jiajia 1 ; Shao, Huabin 2 ; Zhou, Rui 1 ;
作者机构： 1.Huazhong Agr Univ, Coll Vet Med, State Key Lab Agr Microbiol, Wuhan, Peoples R China
2.Hubei Acad Agr Sci, Inst Anim & Vet Sci, Key Lab Prevent & Control Agents Anim Bacteriosis, Minist Agr & Rural Affairs, Wuhan, Peoples R China
3.Chengdu Acad Agr & Forestry Sci, Inst Anim Sci, Chengdu, Peoples R China
4.Minist Sci & Technol China, Int Res Ctr Anim Dis, Wuhan, Peoples R China
5.Cooperat Innovat Ctr Sustainable Pig Prod, Wuhan, Peoples R China
关键词： streptococci; (p)ppGpp synthetase; physiology; pathogenicity; regulation
期刊名称：FRONTIERS IN MICROBIOLOGY （ 影响因子：5.64； 五年影响因子：6.32 ）
ISSN： 1664-302X
年卷期： 2020 年 11 卷
页码：
收录情况： SCI
摘要： Most streptococci are commensals, pathogens, or opportunistic pathogens for humans and animals. Therefore, it is important for streptococci to adapt to the various challenging environments of the host during the processes of infection or colonization, as well as toin vitroconditions for transmission. Stringent response (SR) is a special class of adaptive response induced by the signal molecules (p)ppGpp, which regulate several physiological aspects, such as long-term persistence, virulence, biofilm formation, and quorum sensing in bacteria. To understand the roles of SR in streptococci, the current mini-review gives a general overview on: (1) (p)ppGpp synthetases in the genus ofStreptococcus, (2) the effects of (p)ppGpp on the physiological phenotypes, persistence, and pathogenicity of streptococci, (3) the transcriptional regulation induced by (p)ppGpp in streptococci, and (4) the link between (p)ppGpp and another nutrient regulatory protein CodY in streptococci.
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