Transcriptional Response to Nitrogen Limitation in Pelagibacter ubique

ABSTRACT: Nitrogen is one of the major nutrients limiting microbial productivity in the ocean, and as a result marine microorganisms have evolved specialized systems for responding to nitrogen stress. The highly abundant alphaproteobacterium Candidatus Pelagibacter ubique lacks the canonical GlnB, GlnD, and NtrB/NtrC genes for regulating nitrogen assimilation. A survey of 127 Alphaproteobacteria genomes found these genes to be highly represented in free-living and pathogenic organisms with large genomes and only missing in a subset of obligate intracellular organisms and other SAR11 strains. We examined global differences in mRNA and protein expression in Ca. P. ubique strain HTCC1062 during nitrogen-limited and nitrogen-replete stationary phase to understand how this thriving organism responds to n

ORGANISM(S): Candidatus Pelagibacter ubique

SUBMITTER: Daniel Smith 

PROVIDER: E-GEOD-37445 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress