Advances in studies on antitumor bioactive substances from marine microorganisms

Finding bioactive substances from marine microorganisms and searching for new biomedicals is a rapidly growing field. In the past years,many new structurally-unique antitumor compounds have been isolated from marine microorganisms. This article summarizes the research advances in antitumor bioactive substances from marine microorganisms( including marine bacterium,marine actinomycetes and marine fungus) in recent years,according to microorganisms species.