Journal
MICROBIOLOGY-SGM
Volume 165, Issue 9, Pages 929-952Publisher
MICROBIOLOGY SOC
DOI: 10.1099/mic.0.000817
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Funding
- Biotechnology and Biological Sciences Research Council (BBSRC) [BB/P005292/1]
- Norwich Research Park BBSRC Postdoctoral Training Program Studentships [BB/M011216/1]
- BBSRC [BB/P005292/1, 1937459] Funding Source: UKRI
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Streptomyces venezuelae is a Gram-positive, filamentous actinomycete with a complex developmental life cycle. Genomic analysis revealed that S. venezuelae encodes a large number of two-component systems (TCSs): these consist of a membrane-bound sensor kinase (SK) and a cognate response regulator (RR). These proteins act together to detect and respond to diverse extracellular signals. Some of these systems have been shown to regulate antimicrobial biosynthesis in Streptomyces species, making them very attractive to researchers. The ability of S. venezuelae to sporulate in both liquid and solid cultures has made it an increasingly popular model organism in which to study these industrially and medically important bacteria. Bioinformatic analysis identified 58 TCS operons in S. venezuelae with an additional 27 orphan SK and 18 orphan RR genes. A broader approach identified 15 of the 58 encoded TCSs to be highly conserved in 93 Streptomyces species for which high-quality and complete genome sequences are available. This review attempts to unify the current work on TCS in the streptomycetes, with an emphasis on S. venezuelae.
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