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Two New Species of Diatrype (Xylariales, Ascomycota) with Polysporous Asci from China

文献类型： 外文期刊

作者： Yang, Zhanen 1 ; Zhang, Bo 3 ; Qu, Zhi 2 ; Song, Zikun 2 ; Pan, Xiaoyan 2 ; Zhao, Changlin 1 ; Ma, Haixia 2 ;

作者机构： 1.Southwest Forestry Univ, Coll Biodivers Conservat, Kunming 650224, Yunnan, Peoples R China

2.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Haikou 571101, Hainan, Peoples R China

3.Jilin Agr Univ, Coll Plant Protect, Changchun 130000, Peoples R China

4.Hainan Key Lab Trop Microbe Resources, Haikou 571101, Hainan, Peoples R China

5.Chinese Acad Trop Agr Sci, Hainan Inst Trop Agr Resources, Haikou 571101, Hainan, Peoples R China

关键词： Diatrypaceae; taxonomy; morphology; phylogenetic analyses

期刊名称：DIVERSITY-BASEL （ 影响因子：3.029； 五年影响因子：2.905 ）

ISSN：

年卷期： 2022 年 14 卷 2 期

页码：

收录情况： SCI

摘要： Two new species of Diatrype collected in northeast China are described and illustrated based on morphological and molecular evidence. Diatrype larissae from Heilongjiang Province is characterised by having 3-6 perithecia in a stroma, asci polysporous, ascospores allantoid, aseptate, slightly or moderately curved, subhyaline. Diatrype betulaceicola from Inner Mongolia has large stroma with 5-14 perithecia, perithecium immersed, asci polysporous, long-stalked, ascospores allantoid, aseptate, slightly curved, subhyaline. The phylogenies inferred from the data set of nrDNA ITS1-5.8S-ITS2 (ITS) and beta-tubulin (beta-tubulin) supported the two new species both as members in the genus Diatrype and distinct species. The morphological similarities and dissimilarities of the new species with phylogenetically close relatives are discussed. A dichotomous identification key to the Diatrype spp. known from China is proposed.

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