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Diversity of Marine Fungi and Their Secondary Metabolites
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Diversity of Marine Fungi and Their Secondary Metabolites

A special issue of Journal of Fungi (ISSN 2309-608X).

Deadline for manuscript submissions: 30 June 2024 | Viewed by 2379

Special Issue Editor

Dr. Xiaoyong Zhang

E-Mail Website
Guest Editor
College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
Interests: marine fungi; fungal ecology; coral-associated microorganisms; active substance marine fungi; marine fungal polysaccharides

Special Issue Information

Dear Colleagues,

Marine fungi play a major role in marine environments, including coral reef ecosystems, mangrove ecosystems, seawater, marine sediments, hydrothermal vents, and cold springs. Investigating the diversity of marine fungi and their metabolites is of great significance for us to better understand the role of marine fungi in their ecosystems. In addition, marine fungi are also important resources of many natural products. Recently, more and more studies have reported that many active substances with novel chemical structures were isolated from marine fungi because the diversity of the marine environment creates the diversity of marine fungi and the diversity of their metabolites.

This Special Issue in the Journal of Fungi invites submissions of manuscripts exploring the diversity of marine fungi and their secondary metabolites. We particularly welcome those articles (original articles or reviews) that combine the taxonomy, classification, diversity, distribution, and ecology of marine fungi with the biological activities of the new secondary metabolites from marine fungi.

Dr. Xiaoyong Zhang
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Fungi is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • marine fungus
  • marine fungal diversity
  • marine fungal ecology
  • marine fungal metabolites
  • natural products from marine fungi

Published Papers (2 papers)

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Research

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16 pages, 3261 KiB  
Article
A New Exopolysaccharide of Marine Coral-Associated Aspergillus pseudoglaucus SCAU265: Structural Characterization and Immunomodulatory Activity
by Bo Peng, Yongchun Liu, Yuqi Lin, Supaluck Kraithong, Li Mo, Ziqing Gao, Riming Huang and Xiaoyong Zhang
J. Fungi 2023, 9(11), 1057; https://doi.org/10.3390/jof9111057 - 27 Oct 2023
Viewed by 971
Abstract
Recent studies have found that many marine microbial polysaccharides exhibit distinct immune activity. However, there is a relative scarcity of research on the immunomodulatory activity of marine fungal exopolysaccharides. A novel water-soluble fungal exopolysaccharide ASP-1 was isolated from the fermentation broths of marine [...] Read more.
Recent studies have found that many marine microbial polysaccharides exhibit distinct immune activity. However, there is a relative scarcity of research on the immunomodulatory activity of marine fungal exopolysaccharides. A novel water-soluble fungal exopolysaccharide ASP-1 was isolated from the fermentation broths of marine coral-associated fungus Aspergillus pseudoglaucus SCAU265, and purified by Diethylaminoethyl-Sepharose-52 (DEAE-52) Fast Flow and Sephadex G-75. Structural analysis revealed that ASP-1 had an average molecular weight of 36.07 kDa and was mainly composed of (1→4)-linked α-D-glucopyranosyl residues, along with highly branched heteropolysaccharide regions containing 1,4,6-glucopyranosyl, 1,3,4-glucopyranosyl, 1,4,6-galactopyranosyl, T(terminal)-glucopyranosyl, T-mannopyranosyl, and T-galactopyranosyl residues. ASP-1 demonstrated significant effects on the proliferation, nitric oxide levels, and the secretion of cytokines TNF-α and IL-6 in macrophage RAW264.7 cells. Metabolomic analysis provided insights into the potential mechanisms of the immune regulation of ASP-1, suggesting its involvement in regulating immune function by modulating amino acid anabolism, particularly arginine synthesis and metabolism. These findings provide fundamental scientific data for further research on its accurate molecular mechanism of immunomodulatory activity. Full article
(This article belongs to the Special Issue Diversity of Marine Fungi and Their Secondary Metabolites)
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Review

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19 pages, 10335 KiB  
Review
Recent Advances in Chemistry and Bioactivities of Secondary Metabolites from the Genus Acremonium
by Yuning Qin, Humu Lu, Xin Qi, Miaoping Lin, Chenghai Gao, Yonghong Liu and Xiaowei Luo
J. Fungi 2024, 10(1), 37; https://doi.org/10.3390/jof10010037 - 03 Jan 2024
Viewed by 1088
Abstract
Acremonium fungi is one of the greatest and most complex genera in Hyphomycetes, comprising 130 species of marine and terrestrial sources. The past decades have witnessed substantial chemical and biological investigations on the diverse secondary metabolites from the Acremonium species. To date, over [...] Read more.
Acremonium fungi is one of the greatest and most complex genera in Hyphomycetes, comprising 130 species of marine and terrestrial sources. The past decades have witnessed substantial chemical and biological investigations on the diverse secondary metabolites from the Acremonium species. To date, over 600 compounds with abundant chemical types as well as a wide range of bioactivities have been obtained from this genus, attracting considerable attention from chemists and pharmacologists. This review mainly summarizes the sources, chemical structures, and biological activities of 115 recently reported new compounds from the genus Acremonium from December 2016 to September 2023. They are structurally classified into terpenoids (42%), peptides (29%), polyketides (20%), and others (9%), among which marine sources are predominant (68%). Notably, these compounds were primarily screened with cytotoxic, antibacterial, and anti-inflammatory activities. This paper provides insights into the exploration and utilization of bioactive compounds in this genus, both within the scientific field and pharmaceutical industry. Full article
(This article belongs to the Special Issue Diversity of Marine Fungi and Their Secondary Metabolites)
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