NDLI: The two-component system NisK/NisR contributes to the virulence of Streptococcus suis serotype 2.

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The two-component system NisK/NisR contributes to the virulence of Streptococcus suis serotype 2.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Xu, Juan Fu, Shulin Liu, Manli Xu, Qiaoxia Bei, Weicheng Chen, Huanchun Tan, Chen
Description	Country affiliation: China Author Affiliation: Xu J ( Division of Animal Infectious Disease, State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei 430070, China); Fu S ( Division of Animal Infectious Disease, State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei 430070, China); Liu M ( Center of Bio-Pesticide Engineering Research, Hubei Academy of Agricultural Science, Wuhan, Hubei 430064, China.); Xu Q ( Division of Animal Infectious Disease, State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei 430070, China); Bei W ( Division of Animal Infectious Disease, State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei 430070, China); Chen H ( Division of Animal Infectious Disease, State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei 430070, China); Tan C ( Division of Animal Infectious Disease, State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei 430070, China)
Abstract	Two-component signal-transduction systems (TCSTSs) may regulate some virulence factors in response to external stimuli, and thus allowing Streptococcus suis serotype 2 to interact with the host, promote survival, and cause disease. Here, a mutant of the NisKR TCSTS had attenuated virulence in vitro, as exemplified by lowered hemolytic activity, reduced adherence to epithelial cells, increased elimination by macrophages, and decreased resistance to killing by neutrophils. Results also showed that this system is important for the ability of S. suis serotype 2 to survive and proliferate in an in vivo mouse model. Thus, the NisKR system plays a significant role in pathogenesis, both in colonization and invasive disease.
File Format	HTM / HTML
ISSN	09445013
Issue Number	7-8
Volume Number	169
e-ISSN	16180623
Journal	Microbiological Research
Language	English
Publisher	Elsevier
Publisher Date	2014-07-01
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Microbiology Discipline Environmental Health Bacterial Proteins Metabolism Streptococcus Suis Pathogenicity Swine Diseases Microbiology Swine Virulence Factors Animals Genetics Female Gene Expression Regulation, Bacterial Mice, Inbred Balb C Virulence Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Microbiology

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