Bacterial Sensor Kinases: Diversity in the Recognition of Environmental Signals

被引:268
作者
Krell, Tino [1 ]
Lacal, Jesus [1 ]
Busch, Andreas [1 ]
Silva-Jimenez, Hortencia [1 ]
Guazzaroni, Maria-Eugenia [1 ]
Luis Ramos, Juan [1 ]
机构
[1] CSIC, Estn Expt Zudin, Environm Protect Dept, E-18008 Granada, Spain
来源
ANNUAL REVIEW OF MICROBIOLOGY, VOL 64, 2010 | 2010年 / 64卷
关键词
two-component system; bacterial signal transduction; transcriptional regulation; signal recognition; HISTIDINE PROTEIN-KINASE; BRADYRHIZOBIUM-JAPONICUM FIXL; ARC 2-COMPONENT SYSTEM; NITROGEN REGULATOR-II; HEME-BASED SENSORS; ESCHERICHIA-COLI; BACILLUS-SUBTILIS; RESPONSE REGULATOR; PERIPLASMIC DOMAIN; RHODOBACTER-SPHAEROIDES;
D O I
10.1146/annurev.micro.112408.134054
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Bacteria sense and respond to a wide range of physical and chemical signals Central to sensing and responding to these signals are two-component systems, which have a sensor histidine kinase (SK) and a response regulator (RR) as basic components Here we review the different molecular mechanisms by which these signals are integrated and modulate the phosphorylation state of SKs Apart from the basic mechanism, which consists of signal recognition by the SK that leads to an alteration of its autokinase activity and subsequently a change in the RR phosphorylation state, a variety of alternative modes have evolved The biochemical data available on SKs, particularly their molecular interactions with signals, nucleotides, and their cognate RRs, are also reviewed
引用
收藏
页码:539 / 559
页数:21
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