Diversity of Marine Fungi, 2nd Edition

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 (31 October 2024) | Viewed by 1692

Special Issue Editors


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Guest Editor
Mycotheca Universitatis Taurinensis, Department of Life Sciences and Systems Biology, University of Torino, Turin, Italy
Interests: marine fungi; taxonomy; systematic; bioremediation; fungal ecology
Special Issues, Collections and Topics in MDPI journals
Mycotheca Universitatis Taurinensis, Department of Life Sciences and Systems Biology, University of Torino, Turin, Italy
Interests: marine fungi; systematic; phylogenesis; bioremediation; fungal ecology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The oceans host a huge variety of microorganisms, including fungi, an active component of these communities. Indeed, marine fungi live as mutualists, parasites, pathogens, and saprobes and play a key role in the cycling of nutrients. Furthermore, these widespread organisms have been recovered worldwide from a range of biotic and abiotic substrates such as algae, sediments, invertebrates, and drift- and submerged wood. The definition of “marine fungus” has been recently updated as “any fungus retrieved repeatedly from marine environment that herein reproduces”. Although the total number of marine fungi has been estimated to exceed 10,000 taxa, fewer than 2000 species, belonging to 7 phyla, have been described. Consequently, most of the fungal diversity is yet to be discovered. The aim of this Special Issue is to provide an opportunity to improve the current knowledge of fungal marine biodiversity. Manuscripts dealing with fungal abundance, distribution, ecology, phylogeny, culturomics, metagenomics, and functional diversity in all marine environments and habitats are more than welcome.

Dr. Valeria Prigione
Dr. Anna Poli
Guest Editors

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Keywords

  • marine fungi
  • systematics
  • phylogeny
  • polyphasic identification
  • culturomics
  • metabarcoding
  • metagenomics
  • biodiversity
  • ecological role

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Published Papers (1 paper)

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Research

20 pages, 2909 KiB  
Article
Diversity and Distribution of Fungi in the Marine Sediments of Zhanjiang Bay, China
by Menghan Gao, Bihong Liu, Jianming Li, Yunyan Deng, Yulei Zhang, Ning Zhang, Feng Li, Changling Li, Xianghu Huang and Zhangxi Hu
J. Fungi 2024, 10(12), 867; https://doi.org/10.3390/jof10120867 - 13 Dec 2024
Cited by 1 | Viewed by 1294
Abstract
Fungi are one of the major components of the eukaryotic microbial community in marine ecosystems, playing a significant role in organic matter cycling and food web dynamics. However, the diversity and roles of fungi in marine sediments remain poorly documented. To elucidate the [...] Read more.
Fungi are one of the major components of the eukaryotic microbial community in marine ecosystems, playing a significant role in organic matter cycling and food web dynamics. However, the diversity and roles of fungi in marine sediments remain poorly documented. To elucidate the diversity and spatial distribution of fungal communities in the marine sediments of an estuary–coast continuum across three distinct salinity regions in Zhanjiang Bay, China, the variations in fungal diversity, abundance, community structure, and distribution in the sediments were investigated through the application of high-throughput amplicon sequencing using the internal transcribed spacer (ITS) primers. Additionally, the FUNGuild database was employed to assess the potential functional traits of fungi. A total of 1242 ASV sequences, affiliated to 144 genera and five phyla, were identified. Ascomycota (68.97%) and Basidiomycota (6.41%) were the dominant fungal groups, together accounting for 75.38% of the total relative abundance of the fungal community. Significant differences were observed in the α-diversity indices (Shannon index and richness) and β-diversity of fungal communities across the three distinct salinity regions. The fungal molecular network exhibited primarily positive species interactions, with notable structural differences across salinity gradients. The low-salinity group had a large network with high modularity; the medium-salinity group a small, simple network with high centralization, and the high-salinity group a compact, moderately complex network. Symbiotrophs, saprotrophs, and pathotrophs, being the three trophic types with the highest proportions, were estimated based on ITS. A redundancy analysis (RDA) indicated that salinity was the primary factor influencing the distribution of Ascomycota communities, while the distributions of Basidiomycota, Chytridiomycota, Mucoromycota, and Rozellomycota were more strongly affected by environmental factors such as chlorophyll a, chemical oxygen demand (COD), pH, and temperature. Our work provides new scientific data on the diversity, composition, and distribution of fungal communities in Zhanjiang Bay, which helps to understand the biodiversity of fungi in the estuary–coast ecosystems. Full article
(This article belongs to the Special Issue Diversity of Marine Fungi, 2nd Edition)
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