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Appl Microbiol Biotechnol. 2011 Feb;89(3):457-73. doi: 10.1007/s00253-010-2923-6. Epub 2010 Oct 13.

Biodiversity, bioactive natural products and biotechnological potential of plant-associated endophytic actinobacteria.

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Xuzhou Normal University, Jiangsu, People's Republic of China.


Endophytic actinobacteria, which exist in the inner tissues of living plants, have attracted increasing attention among taxonomists, ecologists, agronomists, chemists and evolutionary biologists. Numerous studies have indicated that these prolific actinobacteria appear to have a capacity to produce an impressive array of secondary metabolites exhibiting a wide variety of biological activity, such as antibiotics, antitumor and anti-infection agents, plant growth promoters and enzymes, and may contribute to their host plants by promoting growth and enhancing their ability of withstanding the environmental stresses. These microorganisms may represent an underexplored reservoir of novel species of potential interest in the discovery of novel lead compounds and for exploitation in pharmaceutical, agriculture and industry. This review focuses on new findings in the isolation methods, bio- and chemical diversity of endophytic actinobacteria and reveals the potential biotechnological application. The facing problems and strategies for biodiversity research and bioactive natural products producing are also discussed.

[Indexed for MEDLINE]

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