Morpho-molecular characterization of Discosia ravennica sp. nov. and a new host record for Sporocadus rosigena
文献类型： 外文期刊
作者： Bundhun, Digvijayini 1 ; Jeewon, Rajesh 4 ; Senanayake, Indunil C. 5 ; Camporesi, Erio 7 ; Aluthmuhandiram, Jani 1 ;
作者机构： 1.Guizhou Univ, Natl Educ Minist China, Engn & Res Ctr Southwest Biopharmaceut Resources, Guiyang 550025, Guizhou, Peoples R China
2.Mae Fah Luang Univ, Ctr Excellence Fungal Res, Chiang Rai 57100, Thailand
3.Chiang Mai Univ, Dept Entomol & Plant Pathol, Fac Agr, Chiang Mai 50200, Thailand
4.Univ Mauritius, Fac Med & Hlth Sci, Dept Hlth Sci, Reduit, Mauritius
5.Shenzhen Univ, Coll Life Sci & Oceanog, 1068 Nanhai Ave, Shenzhen 518055, Peoples R China
6.Zhongkai Univ Agr & Engn, Innovat Inst Plant Hlth, Guangzhou 510225, Peoples R China
7.AMB Grp Micol Forlivese Antonio Cicognani, Via Roma, Forli, Italy
8.AMB Circolo Micol Giovanni Carini, Brescia, Italy
9.Soc Studi Nat Romagna, Bagnacavallo, RA, Italy
10.Beijing Acad Agr & Forestry Sci, Inst Plant & Environm Protect, Beijing Key Lab Environm Friendly Management Frui, Beijing 100097, Peoples R China
11.Hong Kong Baptist Univ, Coll Int Educ, Div Appl Sci, Hong Kong, Peoples R China
12.Univ Mauritius, Fac Agr, Reduit, Mauritius
关键词： Amphisphaeriales; asexual morphs; new species; saprobes; taxonomy
期刊名称：MYCOKEYS （ 影响因子：2.525； 五年影响因子：2.781 ）
ISSN： 1314-4057
年卷期： 2021 年 79 期
页码：
收录情况： SCI
摘要： Collections of fungal samples from two dead leaf specimens from Italy were subjected to morphological examination and phylogenetic analyses. Two coelomycetous taxa belonging to two different genera in Xylariomycetidae, Sordariomycetes, namely Discosia and Sporocadus, were identified. The Discosia taxon is revealed as a new species and is herein introduced as Discosia ravennica sp. nov. while the Sporocadus taxon is identified as Sporocadus rosigena. Multi-locus phylogeny based on DNA sequence data of the large subunit (LSU) and internal transcribed spacer (ITS) of nuclear ribosomal genes, beta-tubulin (beta-tub) and RNA polymerase II second largest subunit (rpb2) showed that D. ravennica is related to D. neofraxinea but it forms an independent lineage that supports its new species status. The new taxon also differs from other Discosia species by its unilocular to bilocular, superficial and applanate conidiomata with basal stroma composed of cells of textura angularis, elongate-ampulliform conidiogenous cells and conidia smaller in size. Sporocadus rosigena is here reported as a new host record from Quercus ilex from Italy. Descriptions, illustrations and molecular data for both species are provided in this paper.
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