Two new species of Parastagonospora and a new species of Phaeoseptoriella (Phaeosphaeriaceae, Pleosporales) from grasslands in Yunnan Province, China

被引:0
|
作者
Gao, Ying [1 ,2 ,3 ,4 ]
Zhong, Tingfang [3 ,5 ]
Eungwanichayapant, Prapassorn Damrongkool [1 ]
Jayawardena, Ruvishika S. [1 ,2 ]
Hyde, Kevin D. [1 ,2 ,6 ]
Faraj, Turki Kh. [7 ]
Wanasinghe, Dhanushka N. [3 ,4 ,7 ]
Gui, Heng [3 ,4 ,5 ]
机构
[1] Mae Fah Luang Univ, Sch Sci, Chiang Rai 57100, Thailand
[2] Mae Fah Luang Univ, Ctr Excellence Fungal Res, Chiang Rai 57100, Thailand
[3] Chinese Acad Sci, Dept Econ Plants & Biotechnol, Yunnan Key Lab Wild Plant Resources, Kunming Inst Bot, Kunming 650201, Peoples R China
[4] Kunming Inst Bot, Ctr Mt Futures, Honghe 654400, Yunnan, Peoples R China
[5] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[6] King Saud Univ, Coll Sci, Dept Bot & Microbiol, POB 22452, Riyadh 11495, Saudi Arabia
[7] King Saud Univ, Coll Food & Agr Sci, Dept Soil Sci, POB 145111, Riyadh 11362, Saudi Arabia
关键词
Ascomycota; coelomycetes; phragmosporous conidia; Poaceae; taxonomy; 3 new species; MULTIPLE SEQUENCE ALIGNMENT; SP.-NOV; NATURAL CLASSIFICATION; FUNGAL DIVERSITY; 1ST REPORT; PHYLOGENY; TAXA; EXPLORATION; MICROFUNGI; TAXONOMY;
D O I
10.3897/mycokeys.109.134136
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
During our investigation of microfungi on grasslands in Yunnan Province, China, three new fungal taxa associated with grasses were collected. Morphological observations and phylogenetic analyses of the combined SSU, LSU, ITS, tef1-alpha, and rpb2 loci based on maximum likelihood and Bayesian inference were used to reveal the taxonomic placement of these fungal taxa. This study introduces Parastagonospora yunnanensis, Para. zhaotongensis, Phaeoseptoriella poaceicola. Parastagonospora yunnanensis is characterized by ampulliform or globose to subglobose conidiogenous cells, with conidia that are cylindrical to subcylindrical, 0-1-septate, rounded at the apex and slightly truncate at the base. Parastagonospora zhaotongensis features similar globose to sub- globose conidiogenous cells but with 0-3-septate, cylindrical to subcylindrical conidia. Phaeoseptoriella poaceicola is distinguished by its globose to subglobose conidiogenous cells and phragmosporous conidia that are initially hyaline, turn pale yellowish at maturity, and are 7-septate, cylindrical to subcylindrical, either straight or slightly curved. These discoveries underscore the significance of exploring and accurately identifying fungal taxa within Ascomycota, highlighting the species richness and potential for new species discoveries in grass-based habitats. The findings from this study expand our understanding of the taxonomy and phylogeny of grassland-associated Ascomycota, providing a foundation for further ecological and taxonomic studies of these fungi within their natural environments.
引用
收藏
页码:239 / 263
页数:25
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