烟草黑胫病菌分子生物学研究进展
2021-08-09王文静王晓强许永幸王凤龙任广伟王东坤
王文静 王晓强 许永幸 王凤龙 任广伟 王东坤


摘 要:烟草黑胫病是烟草主要病害之一,每年给烟草生产造成巨大损失。烟草黑胫病菌隶属于卵菌纲疫霉属。近十几年来随着分子生物学技术的迅猛发展,烟草黑胫病菌的分子生物学研究有了较大进步。本文总结了烟草黑胫病菌在病原菌起源和分类命名、全基因组序列、线粒体基因组序列和功能基因等方面的研究进展,并分析了烟草黑胫病菌在分子生物学研究方面的未来发展方向,以期为烟草黑胫病菌致病机理研究和烟草分子抗黑胫病育种提供一定的参考。
关键词:烟草黑胫病;全基因组;线粒体基因组;基因
Abstract: Black shank is one of the main diseases in tobacco, which causes vast yield loss each year. Black shank is caused by Phytophthora parasitica var. nicotianae which belongs to oomycetes Phytophthora. In recent years, with the rapid development of molecular biology technology, the molecular biology research of tobacco black shank has made big progress. In this review, we summarize the origin, classification, and designation of the pathogen, as well as the research progresses in nuclear genome sequence, mitochondrial genome sequence, and functional genes in recent years. Future perspectives of molecular biology application in tobacco black shank studies are analyzed as well. This review could provide references for researches on pathogenesis of tobacco black shank and molecular breeding of tobacco resistance to blank shank.
Keywords: Phytophthora nicotianae; whole genome; mitochondrial genome; genes
烟草黑胫病由寄生疫霉菌(Phytophthora nicotianae,又称Phytophthora nicotianae Breda de Haan, Phytophthora parasitica var. nicotianae)侵染烟草引起,俗称烟草疫病,为世界性的烟草病害,在美洲、非洲和亚洲都有发生,是烟草生产上最具毁灭性的病害之一,每年给烟草生产造成巨大损失。目前在我国除黑龙江以外的各烟区均有发生,发生较重的省份有云南、贵州、四川、河南、山东等[1]。由于黑胫病的巨大危害,多年来相关学者对该病进行了大量研究,在病害症状、病原微生物学特性、病害遗传规律以及病害流行规律等方面取得了较大进展。随着分子生物学技术的兴起,对黑胫病分子生物学特性的研究也随之展开,特别是近年来测序技术的迅猛发展大力推动了该领域的研究,因此本文总结了烟草黑胫病病原菌的起源和分类名称、全基因组序列、线粒体基因组序列以及功能基因等方面的研究进展,探讨了利用分子生物学技术深入开展烟草黑胫病菌研究的未来发展方向,以期为黑胫病致病机理的解析和烟草抗黑胫病分子育种提供参考。……
