Additions to Karst Fungi 4: Botryosphaeria spp. associated with woody hosts in Guizhou province, China including B. guttulata sp. nov.
文献类型： 外文期刊
作者： Chen, Ya-Ya 1 ; Dissanayake, Asha J. 4 ; Liu, Zuo-Yi 1 ; Liu, Jian-Kui (Jack) 3 ;
作者机构： 1.Guizhou Univ, Coll Agr, Guiyang 550006, Peoples R China
2.Guizhou Acad Agr Sci, Inst Crop Germplasm Resources, Guiyang 550006, Peoples R China
3.Guizhou Acad Agr Sci, Guizhou Key Lab OfAgr Biotechnol, Guiyang 550006, Peoples R China
4.Univ Elect Sci & Technol China, Sch Life Sci & Technol, Chengdu 611731, Peoples R China
关键词： 1 new taxon; Botryosphaeriaceae; phylogeny; taxonomy; wood-inhabiting fungi
期刊名称：PHYTOTAXA （ 影响因子：1.171； 五年影响因子：1.196 ）
ISSN： 1179-3155
年卷期： 2020 年 454 卷 3 期
页码：
收录情况： SCI
摘要： Members of Botryosphaeria encompass important plant pathogens, saprobes and endophytes on a wide range of woody hosts worldwide. Botryosphaeria species are difficult to differentiate due to the overlapping morphological characteristics and the molecular data analyses are necessary recently when species identification is carried out. In this study, 28 Botryosphaeria isolates were obtained from decaying woody hosts in six nature reserves in Guizhou province, China. Based on both morphological characteristics and molecular analysis of combined ITS and tef1-alpha sequence data, four known species (Botryosphaeria dothidea, B. minutispermatia, B. sinensia and B. wangensis) are identified and one new species B. guttulata is introduced. Botryosphaeria sinensia (32% of the isolates obtained from various hosts) is the abundant species, followed by B. dothidea (28.5% of the isolates), B. guttulata (28.5% of the isolates), B. minutispermatia (7% of the isolates) and B. wangensis (4% of the isolates). These results represent the first study of Botryosphaeria species associated with woody hosts from nature reserves in Guizhou province, China. Our findings indicate that there is a potential of Botryosphaeria species remain to be discovered in this unique landform (Karst formations) in Guizhou province, China.
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