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Biphasic taxonomic approaches for generic relatedness and phylogenetic relationships of Teichosporaceae
Tennakoon,Danushka S.; Jeewon,Rajesh; Thambugala,Kasun M.; Gentekaki,Eleni; Wanasinghe,Dhanushka N.; Promputtha,Itthayakorn; Hyde,Kevin D.
2021
Source PublicationFUNGAL DIVERSITY
ISSN1560-2745
Volume110Issue:1Pages:199-241
AbstractThe placement of the dothideomycetous family Teichosporaceae has been controversial. Recent phylogenetic investigations have used a taxonomic lumping approach with the Floricolaceae and its genera have been synonymized under the earlier family name, Teichosporaceae. Intergeneric relationships were therefore obscure and proper generic delimitation was needed in upcoming studies. We here taxonomically revised the family Teichosporaceae based on both morphological and phylogenetic evidence. Teichosporaceae species have immersed or semi-immersed, erumpent to superficial, ostiolate ascomata, cellular or trabeculate pseudoparaphyses, cylindrical to oblong or sub-clavate asci and ellipsoid to oblong or fusiform, cylindric-fusiform or oblong to elliptical, ovoid to clavate, symmetric or asymmetric, initially hyaline or pale brown to dark brown or yellowish brown, 1-3-septate or muriform ascospores. Asexual morphs are coelomycetous. Type or representative specimens of Teichosporaceae were loaned and fresh specimens were collected from China and Thailand. Maximum likelihood and Bayesian analyses of a combined ITS, LSU, SSU, tef1-alpha and rpb2 dataset were performed to clarify the phylogenetic affinities of taxa and examine monophyly of newly proposed genera. One new species (Floricola festucae), one new host record (Ramusculicola thailandica) and four new combinations (Aurantiascoma nephelii, A. quercus, Magnibotryascoma acaciae, M. melanommoides) are introduced. The broad genus concept of Teichospora is dismissed based on morphological dissimilarities and the monophyletic status of the proposed genera. We accept Asymmetrispora, Aurantiascoma, Floricola, Magnibotryascoma, Misturatosphaeria, Pseudoaurantiascoma, Pseudomisturatosphaeria, Ramusculicola and Teichospora as distinct genera in the Teichosporaceae. All recognized genera are phenotypically characterized and phylogenetically well-supported. The phylogenetic placements of three genera (Chaetomastia, Loculohypoxylon and Sinodidymella), which do not have molecular data cannot be conclusively clarified at present, but are still placed in Teichosporaceae for future studies.
Keyword1 new species Dothideomycetes Multi-locus phylogeny Pleosporales Sexual morph Taxonomy MULTIGENE PHYLOGENY SP-NOV FUNGI LOPHIOSTOMATACEAE PLEOSPORALES MISTURATOSPHAERIA CLASSIFICATION SYSTEMATICS ASCOMYCOTA OUTLINE
DOI10.1007/s13225-021-00492-8
WOS IDWOS:000708788000001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/73593
Collection中国科学院昆明植物研究所
Affiliation1.[Tennakoon, Danushka S.; Wanasinghe, Dhanushka N.; Hyde, Kevin D.] Kunming Inst Bot, Ctr Mt Futures, Honghe County 654400, Yunnan, Peoples R China
2.Tennakoon, Danushka S.; Gentekaki, Eleni; Hyde, Kevin D.] Mae Fah Luang Univ, Sch Sci, Chiang Rai 57100, Thailand
3.Tennakoon, Danushka S.; Gentekaki, Eleni; Hyde, Kevin D.] Mae Fah Luang Univ, Ctr Excellence Fungal Res, Chiang Rai 57100, Thailand
4.Univ Mauritius, Dept Hlth Sci, Fac Med & Hlth Sci, Reduit, Mauritius
5.Thambugala, Kasun M.] Univ Sri Jayewardenepura, Fac Sci Appl, Genet & Mol Biol, Nugegoda 10250, Sri Lanka
6.Promputtha, Itthayakorn; Hyde, Kevin D.] Chiang Mai Univ, Fac Sci, Dept Biol, Chiang Mai 50200, Thailand
7.Hyde, Kevin D.] Zhongkai Univ Agr & Engn, Innovat Inst Plant Hlth, Guangzhou, Peoples R China
Recommended Citation
GB/T 7714
Tennakoon,Danushka S.,Jeewon,Rajesh,Thambugala,Kasun M.,et al. Biphasic taxonomic approaches for generic relatedness and phylogenetic relationships of Teichosporaceae[J]. FUNGAL DIVERSITY,2021,110(1):199-241.
APA Tennakoon,Danushka S..,Jeewon,Rajesh.,Thambugala,Kasun M..,Gentekaki,Eleni.,Wanasinghe,Dhanushka N..,...&Hyde,Kevin D..(2021).Biphasic taxonomic approaches for generic relatedness and phylogenetic relationships of Teichosporaceae.FUNGAL DIVERSITY,110(1),199-241.
MLA Tennakoon,Danushka S.,et al."Biphasic taxonomic approaches for generic relatedness and phylogenetic relationships of Teichosporaceae".FUNGAL DIVERSITY 110.1(2021):199-241.
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