Therrya strobi Lan Zhuo & C. L. Hou 2025, comb. nov.
Year: 2025
Type: other
Abstract: Therrya strobi (J. Reid & Cain) Lan Zhuo & C. L. Hou comb. nov. Coccomyces strobi J. Reid & Cain, Can. J. Bot. 39 (5): 1127. 1961. Basionym. Type. CANADA, Ontario, Simcoe County, Midhurst, on Pinus strobus L. (Pinaceae), 4 Jun. 1951, R. F. Cain, TRTC 23,578 (holotype). Notes. Reid and Cain (1961) described Co. strobi on branches of Pinus strobus in the genus Coccomyces. In the phylogenetic tree, Co. strobi is closely related to Therrya species; ITS rDNA sequences similarities with other Therrya species range from 91.86 % – 97.62 %. In the phylogenetic analyses, sequences from seven isolates of Co. strobi formed two clades. Among them, isolates NB- 645 C, NB- 641 A, DAOMC 251937, DAOMC 251589, and DAOMC 251575 were submitted by Tanney J. B. in McMullin et al. (2018). Their study provides detailed information on isolation sources, and morphological illustrations, which agree with the typical description of Co. strobi, and establishes the correspondence between morphology and phylogeny. Therefore, the sequences from these isolates form a clade representing Co. strobi. In contrast, the sequence from isolate AFTOL-ID 1250 formed a separate branch, suggesting that it may represent a different species. Further examination of the material is needed to confirm its taxonomic status. The tips of the paraphyses of Co. strobi are curled, coiled, tending to form an epithecium, therefore, according to the morphological characters and phylogenetic relationship, Co. strobi belongs to the genus Therrya.
Authors: Zhuo, Lan, Wang, Hai-Qi, Zhang, Peng, Sui, Xiao-Nan, Guo, Mei-Jun, Wang, Shi-Juan, Hou, Cheng-Lin
Institutions: Capital Normal University, Anhui Agricultural University
Language: English
Subfield: Cell Biology
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W6893351596
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