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Article

Differential regulation of groESL operon expression in response to heat and light in Anabaena.

Archives of microbiology - 1 Sept 2010

Rajaram Hema, Apte Shree Kumar

Abstract excerpt

The HrcA protein is known to bind the cis-element CIRCE and repress expression of hsp60 in certain bacteria. However, recent data from cyanobacteria have seriously questioned the HrcA/CIRCE interaction paradigm. A hrcA null mutant showed constitutive expression of Hsp60 proteins [GroEL/Cpn60(GroEL2)], and an unexpected further increase in GroEL during temperature upshift, suggesting involvement of regulatory...

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PMID: 20596696
DOI: 10.1007/s00203-010-0601-9

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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