In vitro antimicrobial screening of nine marine sponges (Porifera) and two seaweeds,
collected from south east coast of India, against selected clinical isolates of bacteria and
fungi was conducted in this study. Methanolic extracts of all the marine organisms
demonstrated activity against one or more of microbes tested. Sigmadocia carnosa was the
most active exhibiting a broad spectrum antimicrobial activity against each of the microbe
tested with the exception of Fusarium species. Contrary to this, the genus Echinogorgia did …