Ramomarthamyces octomerus sp. nov. and Insights into the Evolution and Diversification of Ramomarthamyces (Ascomycota, Leotiomycetes, Marthamycetales)-Reference-Cited by-同舟云学术

Ramomarthamyces octomerus sp. nov. and Insights into the Evolution and Diversification of Ramomarthamyces (Ascomycota, Leotiomycetes, Marthamycetales)

Published:2024-04-23 Issue:5 Volume:10 Page:301
ISSN:2309-608X
Container-title:Journal of Fungi
language:en
Short-container-title:JoF

Author:

Karakehian Jason M.¹²^ORCID,Quijada Luis³^ORCID,Miller Andrew N.¹^ORCID,Krieglsteiner Lothar⁴,Baral Hans-Otto⁵

Affiliation:

1. Illinois Natural History Survey, University of Illinois at Urbana-Champaign, 1816 South Oak Street, Champaign, IL 61820, USA

2. Department of Plant Biology, University of Illinois at Urbana-Champaign, 505 South Avenue, Urbana, IL 61801, USA

3. Departamento de Botánica, Ecología y Fisiología Vegetal, Facultad de Farmacia, Avenida Astrofísico Francisco Sánchez, s/n, Apartado 456, 38200 San Cristóbal de La Laguna, Canary Islands, Spain

4. Pilzschule Schwäbischer Wald, Brunnenweg 32, 73565 Spraitbach, Germany

5. Independent Researcher, Blaihofstr. 42, 72074 Tübingen, Germany

Abstract

The apothecial fungus Ramomarthamyces octomerus sp. nov. is described from specimens collected in Mediterranean climate regions in southern Portugal, Spain (Canary Islands), and the Dalmatian region of Croatia. Presumably saprobic, R. octomerus occurs on intact, decorticated wood of Laurus novocanariensis and Olea europaea. Ascospores are cylindric-ellipsoid and seven-septate. Surprisingly, in our four-locus phylogenetic analysis (nuSSU, ITS1-5.8S-ITS2, LSU, mtSSU), this fungus clusters among species of Cyclaneusma, Marthamyces, Naemacyclus, and Ramomarthamyces in a core Marthamycetaceae clade that circumscribes primarily leaf-inhabiting, filiform-spored species. In addition, the asci of R. octomerus possess an amyloid pore, but the reaction varies between specimens collected in the Canary Islands and those collected in Portugal and Croatia. The occurrence of an amyloid reaction in the asci of R. octomerus challenges the characterization of Marthamycetales taxa as possessing inamyloid asci. In our discussion we provide background and analysis of these notable observations.

Funder

Beatriz Galindo program

Publisher

MDPI AG

Link

https://www.mdpi.com/2309-608X/10/5/301/pdf

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