Ecology and Molecular Diversity of Marine Fungi

A special issue of Journal of Fungi (ISSN 2309-608X). This special issue belongs to the section "Fungal Evolution, Biodiversity and Systematics".

Deadline for manuscript submissions: closed (15 November 2023) | Viewed by 1610

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Guest Editor
Department of Functional & Evolutionary Ecology, Universitat Wien, Vienna, Austria
Interests: marine microbial ecology; biological oceanography; fungal oceanography; marine biogeochemistry
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Special Issue Information

Dear Colleagues,

Marine microbes play a central role in the regulation of energy and matter in the ocean. However, our knowledge of the role and ecology of different microbial groups is not balanced, and for instance, most of the research has focused on bacteria, archaea and phytoplankton, while fungal oceanography is still in its infancy. This is mainly due to the wide assumption that fungi are either non-present, inactive and/or outcompeted by prokaryotes when living in a resource-limited liquid environment like the ocean. However, recent studies are revealing a different picture, where marine fungi are widespread in the oceans and actively contributing to the elemental cycles via a diverse repertoire of enzymes. More information is required to unravel the ecological role of fungi in the marine environment. The aim of this Special Issue is to focus on the ecology and molecular diversity of marine fungi. Topics include, but are not limited to, fungal abundance, distribution, activity, phylogenetic and/or functional diversity in coastal to open ocean environments, including seawater column and sediments, derived both from laboratory and field studies. Manuscripts summarizing recent advances in the topic or introducing novel experimental approaches are also welcome.

Dr. Federico Baltar
Guest Editor

Manuscript Submission Information

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Keywords

  • marine fungi
  • coastal waters
  • open ocean water column
  • marine sediment
  • fungal abundance
  • fungal physiology
  • fungal activity
  • fungal genetics
  • fungal phylogenetic diversity
  • fungal functional diversity

Published Papers (1 paper)

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Research

13 pages, 1906 KiB  
Article
Fungal Abundance and Diversity in the Mariana Trench, the Deepest Ecosystem on Earth
by Stefano Varrella, Giulio Barone, Cinzia Corinaldesi, Alessio Giorgetti, Hidetaka Nomaki, Takuro Nunoura, Eugenio Rastelli, Michael Tangherlini, Roberto Danovaro and Antonio Dell’Anno
J. Fungi 2024, 10(1), 73; https://doi.org/10.3390/jof10010073 - 16 Jan 2024
Viewed by 1088
Abstract
Hadal trenches host abundant and diversified benthic prokaryotic assemblages, but information on benthic fungi is still extremely limited. We investigated the fungal abundance and diversity in the Challenger Deep (at ca. 11,000 m depth) and the slope of the Mariana Trench in comparison [...] Read more.
Hadal trenches host abundant and diversified benthic prokaryotic assemblages, but information on benthic fungi is still extremely limited. We investigated the fungal abundance and diversity in the Challenger Deep (at ca. 11,000 m depth) and the slope of the Mariana Trench in comparison with three sites of the adjacent abyssal plain. Our results indicate that trench sediments are a hotspot of fungal abundance in terms of the 18S rRNA gene copy number. The fungal diversity (as the number of amplicon sequence variants, ASVs) was relatively low at all sites (10–31 ASVs) but showed a high turnover diversity among stations due to the presence of exclusive fungal taxa belonging to Aspergillaceae, Trichosphaeriaceae, and Nectriaceae. Fungal abundance and diversity were closely linked to sediment organic matter content and composition (i.e., phytopigments and carbohydrates), suggesting a specialization of different fungal taxa for the exploitation of available resources. Overall, these findings provide new insights into the diversity of deep-sea fungi and the potential ecological role in trench sediments and pave the way for a better understanding of their relevance in one of the most extreme ecosystems on Earth. Full article
(This article belongs to the Special Issue Ecology and Molecular Diversity of Marine Fungi)
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