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Ascomycete Fungi: From Biosystematics and Biodiversity to Biotechnology
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Ascomycete Fungi: From Biosystematics and Biodiversity to Biotechnology

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: 20 October 2026 | Viewed by 1679

Special Issue Editor

Dr. María Virginia Bianchinotti

E-Mail Website
Guest Editor
1. Laboratory de Micología, Fitopatología y Control Biológico, Centro de Recursos Naturales Renovables de la Zona Semiárida (CERZOS-CONICET), Camino La Carrindanga, Km 7, Bahía Blanca B8000FWB , Argentina
2. Laboratory de Ficología y Micología, Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (DBBF-UNS), San Juan 670, Bahía Blanca B8000ICN, Argentina
Interests: ascomycete fungi; fungal biodiversity; fungal biotechnology

Special Issue Information

Dear Colleagues,

Ascomycota is the largest phylum of the Kingdom Fungi, encompassing some of the most well-known beneficial fungi as well as many of the most feared. The importance of this group lies not only in its vast diversity but also in the wide range of ecological roles its members can play. Ascomycetes are particularly recognized as important producers of bioactive molecules with remarkable properties and high value in biotechnology. This Special Issue in the Journal of Fungi aims to highlight advances in our understanding of the diversity, ecology, and novel capacities of ascomycetes—excluding unicellular forms. Reviews, original research, and communications are welcome.

Dr. María Virginia Bianchinotti
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 250 words) can be sent to the Editorial Office for assessment.

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

  • biodiversity
  • biotechnology
  • extreme environments
  • ecological roles
  • novel metabolites

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Published Papers (2 papers)

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Research

14 pages, 1242 KB  
Article
Antibacterial Activity of Guttation Droplets from Penicillium pimiteouiense and Penicillium menonorum Against Clinically Relevant Bacterial Pathogens
by Carlos Eduardo Barajas-Saucedo, Mariana Torres-Cruz, Juan Carlos Sánchez-Rangel, Abraham Vidal-Limon and Juana María Jiménez-Vargas
J. Fungi 2026, 12(4), 262; https://doi.org/10.3390/jof12040262 - 3 Apr 2026
Viewed by 546
Abstract
Antimicrobial resistance (AMR) represents a major global health challenge, driving the search for novel antimicrobial compounds from natural sources. Filamentous fungi are prolific producers of bioactive metabolites, yet the biological potential of fungal guttation droplets remains relatively underexplored. In this study, guttation droplets [...] Read more.
Antimicrobial resistance (AMR) represents a major global health challenge, driving the search for novel antimicrobial compounds from natural sources. Filamentous fungi are prolific producers of bioactive metabolites, yet the biological potential of fungal guttation droplets remains relatively underexplored. In this study, guttation droplets produced by Penicillium pimiteouiense and Penicillium menonorum, isolated from rhizospheric soils of Opuntia spp. in Colima, Mexico, were evaluated for antibacterial activity against clinically relevant pathogens. Fungal isolates were identified through macromorphological characterization and sequence analysis of ITS and β-tubulin genes. Antibacterial activity of the guttation droplets was evaluated using agar well diffusion and microbroth dilution assays to determine inhibition zones, minimum inhibitory volume (MIV), and minimum bactericidal volume (MBV). The exudates exhibited measurable activity against several Gram-negative and Gram-positive bacteria, including Escherichia coli, Salmonella enterica, Klebsiella pneumoniae, Serratia marcescens, and Staphylococcus aureus. Guttation droplets from P. pimiteouiense showed the highest inhibition, with zones up to 24.4 mm against S. enterica, and activity comparable to gentamicin. MBV/MIV ratios indicated bactericidal activity against selected pathogens, including E. coli, K. pneumoniae, and S. aureus. These findings demonstrate that fungal guttation droplets represent a promising and underexplored source of antibacterial compounds and support their potential for antimicrobial discovery. Full article
(This article belongs to the Special Issue Ascomycete Fungi: From Biosystematics and Biodiversity to Biotechnology)
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13 pages, 4626 KB  
Article
Genome-Scale Phylogenetic Analyses Provide Insights into the Phylogenetic Placement of Fusarium commune
by Shunsuke Nozawa, Yosuke Seto and Kyoko Watanabe
J. Fungi 2026, 12(2), 112; https://doi.org/10.3390/jof12020112 - 5 Feb 2026
Viewed by 678
Abstract
Recent advances in high-throughput sequencing technologies have significantly enhanced the accuracy of phylogenetic inference, enabling comprehensive genome-wide analyses. Fusarium fungi, which include numerous agriculturally and medically important species, are typically classified at the species complex (SC) level. Clarifying the evolutionary relationships and distinctiveness [...] Read more.
Recent advances in high-throughput sequencing technologies have significantly enhanced the accuracy of phylogenetic inference, enabling comprehensive genome-wide analyses. Fusarium fungi, which include numerous agriculturally and medically important species, are typically classified at the species complex (SC) level. Clarifying the evolutionary relationships and distinctiveness of these SCs is therefore essential for accurate identification and understanding of their biology. Recent large-scale phylogenetic studies based on genomic data have provided a more resolved understanding of the evolutionary relationships among Fusarium SCs, supporting the view that most represent evolutionarily coherent and stable lineages. However, the phylogenetic position of Fusarium commune has not been explicitly examined, despite incongruence between phylogenies inferred from nucleotide and amino acid sequence data. This study aimed to clarify the phylogenetic placement of F. commune at the SC level by re-examining its position using a genome dataset independent of those employed in previous studies. Our results are largely consistent with previously reported genome-scale phylogenetic analyses of the genus Fusarium and support the stability of most SCs. However, F. commune was not clearly included in any of the currently recognized SCs and instead formed an independent lineage. These findings provide insights into the evolutionary history of Fusarium SCs and contribute to a better understanding of the taxonomic position of F. commune. Full article
(This article belongs to the Special Issue Ascomycete Fungi: From Biosystematics and Biodiversity to Biotechnology)
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