Molecular phylogenetic analyses redefine seven major clades and reveal 22 new generic clades in the fungal family Boletaceae  

作　　者：Gang Wu Bang Feng Jianping Xu Xue-Tai Zhu Yan-Chun Li Nian-Kai Zeng MdIqbal Hosen Zhu L.Yang 

机构地区：[1]Key Laboratory for Plant Diversity and Biogeography of East Asia,Kunming Institute of Botany,Chinese Academy of Sciences,Heilongtan,Kunming 650201,China [2]University of Chinese Academy of Sciences,No.19AYuquan Road,Beijing 100049,China [3]Department of Biology,McMaster University,Hamilton,ON L8S 4K1,Canada

出　　处：《Fungal Diversity》2014年第6期93-115,共23页真菌多样性（英文）

基　　金：supported by the Funds for International Cooperation and Exchange of the National Natural Science Foundation of China(31210103919);the National Basic Research Program of China(2014CB138305);the CAS/SAFEA International Partnership Program for Creative Research Teams.

摘　　要：Mushrooms in the basidiomycete family Boletaceae are ecologically and economically very important.However,due to the morphological complexity and the limited phylogenetic information on the various species and genera of this fungal family,our understanding of its systematics and evolution remains rudimentary.In this study,DNA sequences of four genes(nrLSU,tef1-α,rpb1,and rpb2)were newly obtained from ca.200 representative specimens of Boletaceae.Our phylogenetic analyses revealed seven major clades at the subfamily level,namely Austroboletoideae,Boletoideae,Chalciporoideae,Leccinoideae,Xerocomoideae,Zangioideae,and the Pulveroboletus Group.In addition,59 genus-level clades were identified,of which 22 were uncovered for the first time.These 22 clades were mainly placed in Boletoideae and the Pulveroboletus Group.The results further indicated that the characters frequently used in the morphology-based taxonomy of Boletaceae,such as basidiospore ornamentation,the form of the basidioma,and the stuffed pores each had multiple origins within the family,suggesting that the use of such features for high-level classification of Boletaceae should be de-emphasized and combined with other characters.

关 键 词：BOLETALES CHEMOTAXONOMY Convergent evolution Morphological characters Multi-gene analyses New subfamilies 

分 类 号：O57[理学—粒子物理与原子核物理]