Team discovers cyanobacteria activate different genes by day and by night

Low-Res_Wild filamentous cyanobacteria that are similar to laboratory cultures of Nostoc punctiforme

Source: Alexandra Merrill

By analyzing gene expression in the cyanobacterium Nostoc punctiforme, scientists discovered that during daylight, the cells focus on metabolism. But under cover of darkness, they turn to the control of genome repair and activate various genetic elements.

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