Discovery of Euryhaline Phycoerythrobilin-Containing <i>Synechococcus</i> and Its Mechanisms for Adaptation to Estuarine Environments

Abstract

Understanding the strategies developed by different microbial groups to adapt to specific niches is critical. Through genome and transcriptome analyses of two newly isolated novel euryhaline Synechococcus strains, this study revealed that cluster 5 phycoerythrobilin-containing Synechococcus , which are thought to be strictly marine strains, could be abundant in low-salinity waters of the Pearl River estuary (salinity &lt;15 ppt) and explained the molecular mechanisms that enabled them to adapt the low and fluctuating salinity in the estuarine environment.

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