A modern concept for Helicascus with a Pleurophomopsis-like asexual state

Zhang, Huang and Hyde, Kevin D. and Abdelwahab, Mohamed A. and Abdel-Aziz, Faten A. and Ariyawansa, Hiran A. and Ko Ko, Thida Win and Zhao, Ruilin L. and Alias, Siti Aisah and Bahkali, Ali H. and Zhou, Dequn (2013) A modern concept for Helicascus with a Pleurophomopsis-like asexual state. Sydowia, 65 (1). pp. 147-166. ISSN 0082-0598

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Official URL: http://www.sydowia.at/syd65-1/T11-Zhang.html

Abstract

Helicascus presently comprises two marine species, H. kanaloanus and H. nypae. During investigations of freshwater ascomycetes in Egypt, Malaysia and northern Thailand, we collected two new species of Helicascus from freshwater, which is a new habitat for the genus. Helicascus aegyptiacus sp. nov. is characterised by its smaller asci and ascospores with verruculose walls. Helicascus aquaticus sp. nov. is distinct in having 1-3-septate ascospores and producing a Pleurophomopsis-like anamorph when grown in water agar with sterilized pine needles. During this study we also collected Massarina thalassioidea from freshwater and molecular data confirm this as a species of Helicascus. Thus, we combine this species under Helicascus. All Helicascus species, Massarina thalassioidea and Morosphaeria elaterascus form a strongly supported monophyletic clade and the latter species is also transferred to Helicascus. A key to Helicascus species is provided.

Item Type: Article
Uncontrolled Keywords: mangrove fungi; Morosphaeria; phylogeny; pseudostromata
Subjects: Q Science > Q Science (General)
Q Science > QH Natural history
Q Science > QK Botany
Divisions: Deputy Vice Chancellor (Research & Innovation) Office > Institute of Ocean and Earth Sciences
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 30 Oct 2015 08:44
Last Modified: 20 Nov 2019 03:32
URI: http://eprints.um.edu.my/id/eprint/14429

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