干旱区生态环境知识资源中心(Arid): 岷江干旱河谷小马鞍羊蹄甲根围丛枝菌根真菌群落的研究

Arid

	岷江干旱河谷小马鞍羊蹄甲根围丛枝菌根真菌群落的研究
其他题名	The community composition of arbuscular mycorrhizal fungi in the rhizosphere of Bauhinia faberi var. microphylla in the dry valley of Minjiang River
	陈云 1; 曲来叶 1; 马克明 1; 杨曦雨 2
来源期刊	菌物学报
ISSN	1672-6472
出版年	2016
卷号	35 期号:1 页码:39-51
中文摘要	丛枝菌根真菌(arbuscular mycorrhizal fungi,AMF)在促进植物生长及土壤改良等方面的积极作用使其在退化生态系统的植被重建过程中发挥着关键作用。本研究采用建立克隆文库及测序的分子方法对四川省岷江干旱河谷乡土优势灌木小马鞍羊蹄甲Bauhinia faberi var. microphylla根围AMF的群落组成进行了探讨,以期为该地区乡土植被的保存与恢复提供理论依据。本研究中共检测到53个AMF类群(OTUs),通过系统发育分析,将其划分为球囊菌门Glomeromycota的7科10属。Glomus、Diversispora与Funneliformis 3个属为小马鞍羊蹄甲根围土壤中的优势属,其中Glomus具有最高多度,其序列数及OTUs数均占总数的50%以上;Rhizophagus与Archaeospora为稀有属,其余各属为常见属。本研究表明,自然条件下研究区优势灌木小马鞍羊蹄甲根围具有相对丰富的AMF类群,同时也反映了AMF在干旱河谷区可能发挥着重要的生态功能。
英文摘要	Arbuscular mycorrhizal fungi (AMF) can effectively improve plant fitness and soil quality, thus they play an essential role in soil remediation and revegetation in these degraded ecosystems. Using cloning and sequencing methods, we examined the AM fungal assemblages in the rhizosphere of Bauhinia faberi var. microphylla which is a dominant shrub species in the dry valley of Minjiang River of Sichuan Province for facilitating theoretical studies on preservation and recovery of native vegetation. We detected 53 AMF operational taxonomic units (OTUs) which were assigned to 7 families and 10 genera of Glomeromycota based on phylogenetic analysis of sequences. Glomus, Diversispora and Funneliformis were dominant genera in the rhizosphere of the plant. Glomus taxa were most abundant, accounting for more than 50% of the total OTUs and sequences, respectively. Rhizophagus and Archaeospora were relatively rare, and the rest were common genera. Our results reveal that there is a high level of AMF diversity in the rhizosphere of the target plant species, and these abundant AMF taxa may play an important ecological role in this arid region.
中文关键词	球囊菌门 ; 克隆文库 ; 可操作分类单元 ; 优势属 ; 多度
英文关键词	Glomeromycota cloning operational taxonomic unit dominant genus abundance
语种	中文
国家	中国
收录类别	CSCD
WOS类目	PLANT SCIENCES
WOS研究方向	Plant Sciences
CSCD记录号	CSCD:5616918
来源机构	中国农业大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/234534
作者单位	1.中国科学院生态环境研究中心, 城市与区域生态国家重点实验室, 北京 100085, 中国; 2.中国农业大学农学与生物技术学院, 北京 100193, 中国
推荐引用方式 GB/T 7714	陈云,曲来叶,马克明,等. 岷江干旱河谷小马鞍羊蹄甲根围丛枝菌根真菌群落的研究[J]. 中国农业大学,2016,35(1):39-51.
APA	陈云,曲来叶,马克明,&杨曦雨.(2016).岷江干旱河谷小马鞍羊蹄甲根围丛枝菌根真菌群落的研究.菌物学报,35(1),39-51.
MLA	陈云,et al."岷江干旱河谷小马鞍羊蹄甲根围丛枝菌根真菌群落的研究".菌物学报 35.1(2016):39-51.