6S RNA plays a role in recovery from nitrogen depletion in Synechocystis sp. PCC 6803.

ABSTRACT:

Background

The 6S RNA is a global transcriptional riboregulator, which is exceptionally widespread among most bacterial phyla. While its role is well-characterized in some 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.

Results

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 are accompanied with reduced photosynthetic activity compared to the wild type. Transcriptome profiling further revealed that predominantly genes encoding photosystem components, ATP synthase, phycobilisomes an

SUBMITTER: Heilmann B 

PROVIDER: S-EPMC5721685 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature