Latest Articles from MycoKeys Latest 7 Articles from MycoKeys https://mycokeys.pensoft.net/ Fri, 29 Mar 2024 11:09:36 +0200 Pensoft FeedCreator https://mycokeys.pensoft.net/i/logo.jpg Latest Articles from MycoKeys https://mycokeys.pensoft.net/ Morphology and multigene phylogeny reveal three new species of Distoseptispora (Distoseptisporales, Distoseptisporaceae) on palms (Arecaceae) from peatswamp areas in southern Thailand https://mycokeys.pensoft.net/article/112815/ MycoKeys 102: 55-81

DOI: 10.3897/mycokeys.102.112815

Authors: Omid Karimi, K. W. Thilini Chethana, Antonio R. G. de Farias, Raheleh Asghari, Saithong Kaewchai, Kevin D. Hyde, Qirui Li

Abstract: Peatswamp forest is a unique habitat that supports high biodiversity, particularly fungal diversity. The current study collected submerged and dead plant parts from Eleiodoxa conferta, Eugeissona tristis and Licuala paludosa from a peatswamp forest in Narathiwat Province, Thailand. Morphological features coupled with multigene phylogenetic analyses of ITS, LSU, rpb2 and tef1-α sequence data identified our isolates as new Distoseptispora species (viz. D. arecacearum sp. nov., D. eleiodoxae sp. nov. and D. narathiwatensis sp. nov.). Morphological descriptions, illustrations and notes are provided.

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Research Article Fri, 9 Feb 2024 13:33:22 +0200
Three novel species and new records of Kirschsteiniothelia (Kirschsteiniotheliales) from northern Thailand https://mycokeys.pensoft.net/article/115286/ MycoKeys 101: 347-370

DOI: 10.3897/mycokeys.101.115286

Authors: Antonio Roberto Gomes de Farias, Naghmeh Afshari, Veenavee S. Hittanadurage Silva, Johnny Louangphan, Omid Karimi, Saranyaphat Boonmee

Abstract: Kirschsteiniothelia (Kirschsteiniotheliales, Pleosporomycetidae) includes 39 saprobic species recorded from dead or decaying wood in terrestrial and freshwater habitats. This study focuses on exploring Kirschsteiniothelia diversity in woody litter in Thailand. Wood samples were collected from forest areas in Chiang Rai and Chiang Mai Provinces in Thailand and examined for fungal fructifications. Fungal isolates were obtained and their morphological and sequence data were characterised. Micromorphology associated with multilocus phylogeny of ITS, LSU and SSU sequence data identified three isolates as novel species (Kirschsteiniothelia inthanonensis, K. saprophytica and K. zizyphifolii) besides new host records for K. tectonae and K. xishuangbannaensis. The placement of the new taxa and records are supported by morphological illustrations, descriptions and molecular phylogenies and the implications of these findings are discussed. Our findings provide information for understanding Kirschsteiniothelia diversity and ecology.

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Research Article Fri, 2 Feb 2024 17:51:26 +0200
Two novel species and two new records of Distoseptispora from freshwater habitats in China and Thailand https://mycokeys.pensoft.net/article/71905/ MycoKeys 84: 79-101

DOI: 10.3897/mycokeys.84.71905

Authors: Hong-Wei Shen, Dan-Feng Bao, Kevin D. Hyde, Hong-Yan Su, Darbhe J. Bhat, Zong-Long Luo

Abstract: During investigations into freshwater fungi from the Great Mekong Subregion, four Distoseptispora taxa were collected from China and Thailand. Based on morphological characteristics, and phylogenetic analyses of combined LSU, ITS, SSU, TEF1-α, and RPB2 sequence data, two new species Distoseptispora bangkokensis and D. lancangjiangensis are introduced, and two known species D. clematidis and D. thysanolaenae were first reported in freshwater habitat. Illustrations and descriptions of these taxa are provided, along with comparisons with extant taxa in the genus.

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Research Article Mon, 8 Nov 2021 19:49:36 +0200
A new record of Ganoderma tropicum (Basidiomycota, Polyporales) for Thailand and first assessment of optimum conditions for mycelia production https://mycokeys.pensoft.net/article/33513/ MycoKeys 51: 65-83

DOI: 10.3897/mycokeys.51.33513

Authors: Thatsanee Luangharn, Samantha C. Karunarathna, Peter E. Mortimer, Kevin D. Hyde, Naritsada Thongklang, Jianchu Xu

Abstract: In this study a new record of Ganoderma tropicum is described as from Chiang Rai Province, Thailand. The fruiting body was collected on the base of a living Dipterocarpus tree. The sample is described on the basis of morphological characteristics and phylogenetic analyses, and compared with closely related taxa. Multigene phylogenetic analyses of LSU, ITS, and RPB2 highly support the placement of the G. tropicum group with isolates from China and Taiwan (Maximum likelihood 100%, Maximum parsimony 100%, and Bayesian posterior probabilities 1.00). The optimal media, pH, and temperature for mycelial growth of the G. tropicum strain KUMCC18-0046 was also investigated and is reported as: PDA, MEA, and YPD, at pH 7–8 and 25–28 °C, respectively. This is the first report on the successful growing conditions for mycelial production, but unfortunately fruiting could not be achieved.

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Research Article Tue, 7 May 2019 10:25:47 +0300
Coryneum heveanum sp. nov. (Coryneaceae, Diaporthales) on twigs of Para rubber in Thailand https://mycokeys.pensoft.net/article/29365/ MycoKeys 43: 75-90

DOI: 10.3897/mycokeys.43.29365

Authors: Chanokned Senwanana, Kevin D. Hyde, Rungtiwa Phookamsak, E.B. Gareth Jones, Ratchadawan Cheewangkoon

Abstract: During studies of microfungi on para rubber in Thailand, we collected a new Coryneum species on twigs which we introduce herein as C. heveanum with support from phylogenetic analyses of LSU, ITS and TEF1 sequence data and morphological characters. Coryneum heveanum is distinct from other known taxa by its conidial measurements, number of pseudosepta and lack of a hyaline tip to the apical cell.

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Research Article Thu, 6 Dec 2018 09:02:18 +0200
A new section and species of Agaricus subgenus Pseudochitonia from Thailand https://mycokeys.pensoft.net/article/26918/ MycoKeys 40: 53-67

DOI: 10.3897/mycokeys.40.26918

Authors: Mao-Qiang He, Boontiya Chuankid, Kevin D. Hyde, Ratchadawan Cheewangkoon, Rui-Lin Zhao

Abstract: A large species diversity has recently been discovered in the genus Agaricus. Six subgenera and 23 sections are now recognised. In this study, three specimens collected from Thailand, formed a monophyletic clade in subgenus Pseudochitonia, based on analyses of ITS sequence data. Further analyses, based on multi-gene sequence data (ITS, LSU, tef1-α), using BEAST, revealed that this clade originated 26.7 Ma. According to their distinct morphological characteristics, phylogenetic position and relatively old divergence time, a new section Cymbiformes is proposed and this section is represented by a new species A. angusticystidiatus. This new section is characterised by the strong iodoform odour of basidiomes and cymbiform basidiospores. Descriptions, colour photographs and illustrations are presented.

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Research Article Thu, 20 Sep 2018 08:57:15 +0300
Two novel species of Neoaquastroma (Parabambusicolaceae, Pleosporales) with their phoma-like asexual morphs https://mycokeys.pensoft.net/article/25124/ MycoKeys 34: 47-62

DOI: 10.3897/mycokeys.34.25124

Authors: Chayanard Phukhamsakda, Darbhe J. Bhat, Sinang Hongsanan, Jian-Chu Xu, Marc Stadler, Kevin D. Hyde

Abstract: The monotypic genus Neoaquastroma (Parabambusicolaceae, Pleosporales) was introduced for a microfungus isolated from a collection of dried stems of a dicotyledonous plant in Thailand. In this paper, we introduce two novel species, N. bauhiniae and N. krabiense, in this genus. Their asexual morphs comprise conidiomata with aseptate and hyaline conidia. Neoaquastroma bauhiniae has ascomata, asci and ascospores that are smaller than those of N. krabiense. Descriptions and illustrations of N. bauhiniae and N. krabiense are provided and the two species compared with the type species of the genus, N. guttulatum. Evidence for the introduction of the new taxa is also provided from phylogenetic analysis of a combined dataset of partial LSU, SSU, ITS and tef1 sequence data. The phylogenetic analysis revealed a distinct lineage for N. bauhiniae and N. krabiense within the family Parabambusicolaceae.

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Research Article Wed, 23 May 2018 10:08:03 +0300