6S RNA supports recovery from nitrogen depletion in Synechocystis sp. PCC 6803

ABSTRACT: The 6S RNA is a global transcriptional riboregulator, which is exceptionally widespread among most bacterial phyla. While its role is already well-characterized in heterotrophic bacteria, we subjected a cyanobacterial homolog to functional analysis, thereby extending the scope of 6S RNA action to the special challenges of photoautotrophic lifestyles. This study reveals 6S RNA as an integral part of the cellular response of Synechocystis sp. PCC 6803 to changing nitrogen availability. Physiological characterization of a 6S RNA deletion strain (ΔssaA) demonstrates a delay in the recovery from nitrogen starvation. Significantly decelerated phycobilisome reassembly and glycogen degradation is accompanied with reduced photosynthetic activity compared to the wild type. Transcriptome profiling f

ORGANISM(S): Synechocystis sp. PCC 6803

SUBMITTER: Jens Georg 

PROVIDER: E-GEOD-83387 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress