Inference of interactions in cyanobacterial-heterotrophic co-cultures via transcriptome sequencing.

ABSTRACT: We used deep sequencing technology to identify transcriptional adaptation of the euryhaline unicellular cyanobacterium Synechococcus sp. PCC 7002 and the marine facultative aerobe Shewanella putrefaciens W3-18-1 to growth in a co-culture and infer the effect of carbon flux distributions on photoautotroph-heterotroph interactions. The overall transcriptome response of both organisms to co-cultivation was shaped by their respective physiologies and growth constraints. Carbon limitation resulted in the expansion of metabolic capacities, which was manifested through the transcriptional upregulation of transport and catabolic pathways. Although growth coupling occurred via lactate oxidation or secretion of photosynthetically fixed carbon, there was evidence of specific metabolic interactions be

SUBMITTER: Beliaev AS 

PROVIDER: S-EPMC4992078 | biostudies-literature | 2014 Nov

REPOSITORIES: biostudies-literature