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Summary The perception of environmental stress and the subsequent transduction of stress signals are primary events in the acclimation of all organisms to changes in their environment. Many of the molecular sensors and transducers of environmental stress cannot be identified by traditional and conventional methods. Based on genomic information, a systematic approach has been applied to the solution...
A systemic transcriptome analysis of the cyanobacterium Synechocystis sp. PCC 6803 revealed a number of genes whose transcription is induced in response to almost all abiotic stresses (heat shock, salt stress, osmotic stress, oxidative stress, changes in light intensity or spectral composition, and changes in the redox potential of electron transport chain (ETC) components). Heat shock protein (HSP)...
High affinity transport of manganese ions (Mn2+) in cyanobacteria is carried by an ABC-type transporter, encoded by the mntCAB operon, which is derepressed by the deficiency of Mn2+. Transcription of this operon is negatively regulated by the two-component system consisting of a sensory histidine kinase ManS and DNA-binding response regulator ManR. In this study, we examined two Synechocystis mutants,...
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