Two new species of nematode-trapping fungi (Dactylellina, Orbiliaceae) from burned forest in Yunnan, China

被引:4
作者
Zhang, Fa [1 ,2 ]
Zhou, Xin-Juan [1 ,5 ]
Monkai, Jutamart [2 ]
Li, Fei-Teng [1 ,5 ]
Liu, Shuo-Ran [1 ,3 ,4 ]
Yang, Xiao-Yan [1 ,3 ,4 ]
Wen, Xiao [1 ,3 ,4 ]
Hyde, Kevin D. [2 ]
机构
[1] Dali Univ, Inst Eastern Himalaya Biodivers Res, Dali 671003, Yunnan, Peoples R China
[2] Mae Fah Luang Univ, Ctr Excellence Fungal Res, Chiang Rai 57100, Thailand
[3] Dali Univ, Key Lab Yunnan State Educ Dept Erhai Lake Basin P, Dali 671003, Yunnan, Peoples R China
[4] Dali Univ, Prov Innovat Team Biodivers Conservat & Util Thre, Dali 671003, Yunnan, Peoples R China
[5] Dali Univ, Sch Publ Hlth, Dali 671003, Yunnan, Peoples R China
关键词
Burned forest; New species; Morphology; Orbiliaceae; Phylogeny; PHYLOGENETIC-RELATIONSHIPS; BIOLOGICAL-CONTROL; DNA; PROBABILITY; EVOLUTION; NUCLEAR; TREE;
D O I
10.11646/phylotaxa.452.1.6
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Two new Dactylellina (nematode-trapping fungi) species, D. yushanensis and D. cangshanensis from the burned forest soil in Cangshan Mountain, Yunnan Province, China are introduced in this paper based on morphology and phylogenetic analysis. Their descriptions and illustrations are provided. Dactylellina yushanensis is characterized by its geniculate branched conidiophore, two types conidia and fusiform, clavate or drop-shaped microconidia grown in conidiophore or produced by macroconidia with micro-cycle conidiation pathway. Dactylellina cangshanensis is characterized by its fusiform, spindle - shaped, clavate or drop -shaped conidia with 2-4-septate. Phylogenetic analysis based on combined ITS, EF1-alpha and RPB2 sequence showed that these two species cluster together with D. ellipsospora with obvious genetic differentiation.
引用
收藏
页码:65 / 74
页数:10
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