Article
Constitutive competence for genetic transformation in Streptococcus pneumoniae caused by mutation of a transmembrane histidine kinase.
Molecular microbiology - 1 Nov 2001
Lacks S A, Greenberg B
Abstract excerpt
Competence for DNA uptake and genetic transformation in Streptococcus pneumoniae is regulated by a quorum-sensing system. A competence-stimulating polypeptide (CSP) is secreted by the bacteria and acts back on the cells via a transmembrane histidine kinase. This enzyme phosphorylates a response regulator that activates synthesis of a SigH-like protein. The new sigma factor enables expression of a set of proteins...
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