A two-component Mn(2+)-sensing system negatively regulates expression of the mntCAB operon in synechocystis

From: Plant Cell | Date: November 1, 2002| Author: Et al; Suzuki, Iwane; Yamamoto, Hiroshi; Yamaguchi, Katsushi | Copyright information

Mn is an essential component of the oxygen-evolving machinery of photosynthesis and is an essential cofactor of several important enzymes, such as Mn-superoxide dismutase and Mn-catalase. The availability of Mn in the environment varies, and little is known about the mechanisms for maintaining cytoplasmic Mn^sup 2+^ ion homeostasis. Using a DNA microarray, we screened knockout libraries of His kinases and response regulators of Synechocystis sp PCC 6803 to identify possible participants in th...

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