Impact of Endophytic Microorganisms on Plants, Environment and Humans

Hindawi Limited - Tập 2014 - Trang 1-11 - 2014
Dhanya N. Nair1, S. Padmavathy1
1Research Department of Botany, Nirmala College for Women, Coimbatore, Tamil Nadu 641018, India

Tóm tắt

Endophytes are microorganisms (bacteria or fungi or actinomycetes) that dwell within robust plant tissues by having a symbiotic association. They are ubiquitously associated with almost all plants studied till date. Some commonly found endophytes are those belonging to the generaEnterobacter sp.,Colletotrichum sp.,Phomopsis sp.,Phyllosticta sp.,Cladosporium sp.,and so forth. Endophytic population is greatly affected by climatic conditions and location where the host plant grows. They produce a wide range of compounds useful for plants for their growth, protection to environmental conditions, and sustainability, in favour of a good dwelling place within the hosts. They protect plants from herbivory by producing certain compounds which will prevent animals from further grazing on the same plant and sometimes act as biocontrol agents. A large amount of bioactive compounds produced by them not only are useful for plants but also are of economical importance to humans. They serve as antibiotics, drugs or medicines, or the compounds of high relevance in research or as compounds useful to food industry. They are also found to have some important role in nutrient cycling, biodegradation, and bioremediation. In this review, we have tried to comprehend different roles of endophytes in plants and their significance and impacts on man and environment.

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