Abstract

Cyanobacteria are can colonize everywhere there is possibility of life. As usual we can easily observe them near water bodies. Their diversity is rich but lacks the evaluation. Most of the species of these are even today are unrecognized. Although, in recent years many research work prove them as a suitable source of secondary metabolite which act as drug. This review summarized the research update on secondary metabolites of Cyanobacteria from various habitat and also cover some extant of non-ribosomal and polyketide gene which involve in synthesis.