Metabolites cross the membrane, the transcriptome does not follow: co-localization is required for the cyanobacterial response to a yeast partner
Interactions between phototrophs and heterotrophs are usually explained by cross-feeding, yet whether that exchange alone accounts for the phototroph's response has rarely been tested. We grew the sucrose-secreting cyanobacterium Synechococcus elongatus with the yeast Rhodotorula toruloides as a synthetic community, either in mixed co-culture or in membrane-separated co-culture (0.22 m pore…
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