Species diversity of russuloid mycorrhizae-forming fungi on Pinus yunnanensis seedlings and the mycorrhizal morphology.

Xie Xue-Dan, Liu Pei-gui, Yu Fu-qiang
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引用次数: 8

Abstract

Russuloid ectomycorrhizae on 1-2 years-old seedlings of Pinus yunnanensis collected from the central Yunnan,China were investigated. Six morphotypes were recognized by macro-and anatomical-morphological approaches as well as molecular analyses. The six morphotypes were confirmed to represent six phylotypes by matching rDNA ITS sequences. The fungal partners in the six morpho-phylotypes are those closely related with Russula livescens,R.violeipes ,R.densifolia ,R.nigricans ,R.sanguinea and R.nauseosa respectively. The correlation between the morphology of mantles and cystidia and the phylogenetic clades is further supported in our work. The framework,in which this report is included,shows that russuloid mycorrhizae are one of the most dominant representative ectomycorrhizae formed on 1-2 years seedlings of Pinus yunnanensis.
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云南松幼苗上russuloid菌根形成真菌的物种多样性及菌根形态。
对采自滇中地区的云南松1 ~ 2年生幼苗上的Russuloid外生菌根进行了研究。通过宏观和解剖形态学方法以及分子分析识别出六种形态。通过rDNA ITS序列比对,证实6个形态型分别代表6个种型。6种形态类群中的真菌伴侣均为与Russula livescens,R.亲缘关系密切的真菌伴侣。紫罗兰属,密叶属,紫罗兰属。nigricans, R。分别是血血菌和恶心菌。我们的工作进一步支持了地幔和囊体形态与系统发育分支的相关性。本报告所包含的框架表明,russuloid菌根是云南松1 ~ 2年苗上形成的最具优势代表性的外生菌根之一。
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