Journal
ARCHIVES OF MICROBIOLOGY
Volume 187, Issue 4, Pages 337-342Publisher
SPRINGER
DOI: 10.1007/s00203-007-0213-1
Keywords
cyanobacteria; high-intensity light; RpaB response regulator; HLR1 cis element; hliB gene; Synechocystis PCC 6803
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Cyanobacteria, like other photosynthetic organisms, respond to the potentially damaging effects of high-intensity light by regulating the expression of a variety of stress-responsive genes through regulatory mechanisms that remain poorly understood. The high light regulatory 1 (HLR1) sequence can be found upstream of many genes regulated by high-light (HL) stress in cyanobacteria. In this study, we identify the factor that binds the HLR1 upstream of the HL-inducible hliB gene in the cyanobacterium Synechocystis PCC 6803 as the RpaB (Slr-0947) response regulator.
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