Cadophora meredithiae and C. interclivum, new species from roots of sedge and spruce in a western Canada subalpine forest

Two new species of Cadophora are described based on multigene phylogenetic analyses and phenotypic and ecological characters. The species delimitation was based on concordance of gene genealogies. The cultures of the Cadophora species were isolated from the roots of long-beaked sedge and white spruc...

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Bibliographic Details
Published in:Mycologia 2018-01, Vol.110 (1), p.201-214
Main Authors: Walsh, Emily, Duan, Weijun, Mehdi, Maryem, Naphri, Kamal, Khiste, Swapneel, Scalera, Adam, Zhang, Ning
Format: Article
Language:English
Subjects:
2 new taxa
Ascomycota - classification
Ascomycota - genetics
Ascomycota - isolation & purification
Ascomycota - physiology
Canada
Cluster Analysis
Cyperaceae - microbiology
Dark septate endophytes
DNA, Fungal - chemistry
DNA, Fungal - genetics
DNA, Ribosomal - chemistry
DNA, Ribosomal - genetics
Enzymes - analysis
Forests
Leotiomycetes
Microscopy
Mycological Typing Techniques
Phylogeny
Picea - microbiology
Plant Roots - microbiology
RNA, Ribosomal, 18S - genetics
RNA, Ribosomal, 28S - genetics
Sequence Analysis, DNA
Systematics
taxonomy
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Summary:Two new species of Cadophora are described based on multigene phylogenetic analyses and phenotypic and ecological characters. The species delimitation was based on concordance of gene genealogies. The cultures of the Cadophora species were isolated from the roots of long-beaked sedge and white spruce from a subalpine forest in western Canada; however, they probably have a broader distribution because their internal transcribed spacer (ITS) sequences have high similarity with a number of GenBank sequences from ecological studies of plant roots. The taxonomy of Cadophora in Leotiomycetes is discussed based on the phylogeny generated in this study. Results from this work will facilitate ecological and evolutionary studies on root-associated fungi.
ISSN:0027-5514
1557-2536
DOI:10.1080/00275514.2017.1406748