植物有益伯克霍尔德氏菌的研究进展及其在农业中的应用

Plant–associated beneficial Burkholderia

摘要:

伯克霍尔德氏菌属是一类革兰氏阴性细菌，其具有广泛的地理及生态位分布。近年来，随着对植物相关的伯克霍尔德氏菌的研究增加，越来越多的证据表明，伯克霍尔德氏菌是一类重要的植物相关的有益微生物。伯克霍尔德氏菌能够通过生物固氮、解磷作用，促进植物对氮、磷的吸收；还能够产生吲哚乙酸等植物激素、分泌抗菌物质抑制病原菌的生长，因此，伯克霍尔德氏菌在促进植物生长和维持植物健康方面具有较大的应用潜力。本文对近些年来关于植物有益的伯克霍尔德氏菌的研究进展进行了综述，并讨论了其在农业上的应用前景。

关键词:伯克霍尔德氏菌;促生;固氮;解磷;抗菌

Abstract:

Burkholderia spp. is a class of Gram-negative bacteria with a wide geographical and niche distribution. In recent years, with the increasing research on plant associated Burkholderia, more and more evidences suggest that Burkholderia is an important plant-associated beneficial microorganism. Burkholderia could promote plant growth through biological nitrogen fixation, phosphorus solubilizing, to increase nitrogen and phosphorus absorption, production of phytohormones like IAA and antifungal metabolites to inhibit the growth of phytopathogenic microorganisms. All of these make Burkholderia with great application potential in promoting plant growth and health. This article reviews the research progresses of the plant-associated beneficial Burkholderia and discusses its application prospects in agriculture.

Key words:Burkholderia;plant growth promotion;nitrogen fixation;phosphate solubilization;antifungal activity