禾本科植物内生真菌资源及其物种多样性.pdfVIP

生态学报 2010 ， 30(17) :4771--4781 Acta Ecologica Sinica 禾本科植物内生真菌资源及其物种多样性 王志伟\乡己燕玲，陈永敢，亢 燕 (南京农业大学生命科学学院，南京 210095 ) 摘要:植物内生真菌是当代微生物资源研究的一个热门话题，对禾本科植物内生真菌资源研究进行了总结。与冷季型禾本科植 物共生的麦角菌科 epichlo吕内生真菌是目前的研究重点，包括偶尔在宿主植物体表形成子座的 Epichloë 属真菌和几乎完全不形 成症状的 Neotyphodium 属真菌。具体介绍该真菌类群的物种多样性及其地理分布多样性，概括了它们在全球各大区域的分布 特征。对近年来中国迅速发展的 epichloë 内生真菌的研究作了总结，最后展望了国际国内 epichloë 内生真菌资源探索的发展方 向。特别指出:冷季型禾本科植物内生真菌在南美洲和亚洲，暖季型禾本科植物内生真菌在热带亚热带地区的研究还相对薄 弱，值得今后继续加强探索和挖掘。 关键词:禾本科植物内生真菌;资源;物种多样性;分布 Endophytic fungi resources and species diversity in grass family W ANG Zhiwei , JI Yanling , CHEN Yonggan , KANG Yan College of Life Sciences , Nαnjing Agricultural University , Nαnjing 210095 , Chinα Abstract: Plant endophytes are gaining more and more attention around the world , This article summarized the studies on endophytic fungi inhabited in various grasses grown in the world , especially focused on clavicipitaceous endophytes inhabited in cool-season grasses , Symptomatic Epichloë spp , , occasionally produce stromata on the culm of the host , and asymptomatic Neotyphodium spp , , usually never produce any symptoms , were regarded as epichloë endophytes , Fungal species in epichloë endophytes and their geographic distributions all over the world were discussed , Furthermore , recent achievements in investigations on grass endophytes native to China were summarized and prospects on grass endophyte survey in the world were also discussed , Finally , based on these information , a potential of new endophytes harbored within warm-season grasses grown in most areas of the world and cool-season grasses grown in South America and Asia was predicted , In conclusion , bioresources of grass endophytes and their biodiversity should be abundant worldwide , and grass endophytes are worth full for collecting attentions in bio