Proteomics combines morphological, physiological and biochemical attributes to unravel the survival strategy of Anabaena sp. PCC7120 under arsenic stress

► First report on proteomics of Anabaena PCC7120 under As stress. ► ars, pcs genes, FBA, EF-Ts, Trx, Prx, GST and oxidoreductase primarily regulate survival of Anabaena under As stress. ► Formation of akinete like cells constitutes the first report in Anabaena PCC7120.