PMID:21978288
| Citation |
Schulmeister, S, Grosse, K and Sourjik, V (2011) Effects of receptor modification and temperature on dynamics of sensory complexes in Escherichia coli chemotaxis. BMC Microbiol. 11:222 |
|---|---|
| Abstract |
Extracellular stimuli in chemotaxis of Escherichia coli and other bacteria are processed by large clusters of sensory complexes. The stable core of these clusters is formed by transmembrane receptors, a kinase CheA, and an adaptor CheW, whereas adaptation enzymes CheR and CheB dynamically associate with the clusters via interactions with receptors and/or CheA. Several biochemical studies have indicated the dependence of the sensory complex stability on the adaptive modification state of receptors and/or on temperature, which may potentially allow environment-dependent tuning of its signalling properties. However, the extent of such regulation in vivo and its significance for chemotaxis remained unclear. |
| Links |
PubMed PMC3203854 Online version:10.1186/1471-2180-11-222 |
| Keywords |
Bacterial Proteins/chemistry; Bacterial Proteins/genetics; Bacterial Proteins/metabolism; Chemotaxis; Escherichia coli/chemistry; Escherichia coli/enzymology; Escherichia coli/genetics; Escherichia coli/physiology; Escherichia coli Proteins/chemistry; Escherichia coli Proteins/genetics; Escherichia coli Proteins/metabolism; Kinetics; Membrane Proteins/chemistry; Membrane Proteins/genetics; Membrane Proteins/metabolism; Methyltransferases/chemistry; Methyltransferases/genetics; Methyltransferases/metabolism; Protein Multimerization; Protein Processing, Post-Translational; Protein Stability; Temperature |
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