氢氧化细菌分离、筛选及促生机制研究进展

Research Progress on Isolation, Screening and Plant Growth-promoting Mechanism of Hydrogen-oxidizing Bacteria

摘要:

氢氧化细菌是一类以氢作为电子供体, 通过氧化H2获得能量并同化CO2的无机化能自养菌。近年来, 发现作为豆科作物根际主要生理类群的氢氧化细菌促生作用明显, 因而受到各国学者的广泛关注。氢氧化细菌在农业、环境保护和人类健康等领域有巨大的应用潜力。目前, 由于人们对氢氧化细菌的分类、分离和筛选技术的认识不足, 严重影响了氢氧化细菌的研究进程和水平。概述氢氧化细菌的分离及筛选方法, 并着重论述了氢氧化细菌促生作用及促生机理的最新研究进展, 最后探讨其应用前景。随着研究的深入, 氢氧化细菌将受到各国学者的广泛关注。

Abstract:

Aerobic hydrogen-oxidizing bacteria can utilize H2 as electron donor and O2 as electron acceptor to fix CO2. Recently, it has been found that hydrogen-oxidizing bacteria, which are the main physiological groups in rhizosphere of leguminous crops, can promote the growth of plants obviously. Nowadays, great attention has been payed to this kind of bacteria. Hydrogen-oxidizing bacteria have great potential in agriculture, environment and human health. But it’s not very clear about the classification, isolation and identification of hydrogen-oxidizing bacteria, and it has seriously affected the process of researches. This article presents an overview on the isolation, screening of hydrogen-oxidizing bacteria, focuses on plant growth-promoting mechanism and some other prospects of their applications. As the further study, more and more researchers all over the world will pay more attention to this kind of bacteria.