The objective of this book is to provide state-of-the-art knowledge, and highlight the current developments taking place in biological sciences. The book encompasses topics on prokaryotic cyanobacteria to higher plants, distributed in fourteen chapters for the benefit of graduate and post-graduate students as well as young researchers and scientists. Subjects covered include molecular and biochemical diversity of microbes, stress biology, cyanotoxins, antimicrobial activity of drugs originated from plants, natural bioactive compounds of microbial origin, detection approaches for genetically...