Abstract:Cyanobacteria are Gram-negative, oxygen-evolving photoautotrophic bacteria found in almost every conceivable habitat around the world. Cyanobacteria are extremophiles identified from geothermal springs to cold deserts (Amarouche-Yala et al., 2014;Mataloni & Komárek, 2004) and existed for about 2.8 billion years on earth (Olson, 2006). As the oldest oxygen-evolving photosynthetic microorganisms on earth, cyanobacteria significantly influenced ambient atmospheric and biosphere status (Demoulin et al., 2019;Paerl… Show more
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