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Mycological Research in the Americas
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Mycological Research in the Americas

A Special Issue of Journal of Fungi (ISSN 2309-608X).

Deadline for manuscript submissions: closed (31 August 2026) | Viewed by 4573

Editors

Dr. Andréa Regina De Souza Baptista

E-Mail Website
Guest Editor
Center for Microorganisms’ Investigation, Fluminense Federal University, Niteroi 24020-150, Brazil
Interests: microbiologia; micologia; genética; zoonozes
Special Issues, Collections and Topics in MDPI journals
Dr. Hector M. Mora-Montes

E-Mail Website
Guest Editor
Department of Biology, Division of Natural Sciences, University of Guanajuato, Guanajuato, Mexico
Interests: fungal cell wall; virulence factors; host–fungus interaction
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Mycological research in the Americas spans diverse ecosystems, from tropical rainforests to arid deserts, and has led to significant discoveries in fungal taxonomy, ecology, biotechnology, and medicine. Researchers in North, Central, and South America study fungi's role in nutrient cycling, symbiotic relationships with plants, and their potential applications in various industries.

Mycological research has enhanced agriculture in this region by studying fungal pathogens that affect crops and livestock. In contrast, beneficial fungi like Beauveria bassiana are used as biological pest control agents. Additionally, fungi's potential in bioremediation, such as oil spill cleanup and plastic degradation, is being explored.

Medical mycology research in the Americas is a growing and critical field that investigates fungal pathogens, antifungal resistance, and the therapeutic potential of fungi-derived compounds. Researchers across North, Central, and South America focus on identifying, treating, and preventing fungal infections, which are increasingly recognized as a major public health concern. Some etiological agents are endemic to the Americas, such as Paracoccidioides brasiliensis, Coccidioides spp., Blastomyces spp, Sporothrix brasiliensis, and Lacazia loboi, among others.

This Special Issue welcomes both review and original research papers dealing with ecological, agricultural, bioremediation, medical, or basic aspects of fungal species relevant in the Americas.

Dr. Andréa Regina De Souza Baptista
Prof. Dr. Hector M. Mora-Montes
Guest Editors

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-anonymized 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

  • mycological research
  • medical mycology
  • fungal taxonomy
  • fungal ecology
  • fungal biotechnology

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Published Papers (2 papers)

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Research

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14 pages, 1945 KB  
Article
Role of Iron Availability in Modulating Pseudomonas aeruginosa’s Antifungal Effects on Planktonic and Biofilm Growth of Scedosporium/Lomentospora Under Cystic Fibrosis-Mimicking Conditions
by Thaís P. Mello, Iuri C. Barcellos, Simone S.C. Oliveira, Lucas Giovanini, Michaela Lackner, Marta H. Branquinha and André L.S. Santos
J. Fungi 2026, 12(2), 89; https://doi.org/10.3390/jof12020089 - 28 Jan 2026
Viewed by 1249
Abstract
Pseudomonas aeruginosa and Scedosporium/Lomentospora often coexist in the lungs of cystic fibrosis patients, where their interaction can affect disease outcomes. Our group has recently demonstrated that P. aeruginosa suppresses the growth of Scedosporium/Lomentospora species partly through mechanisms involving iron sequestration. In this study, [...] Read more.
Pseudomonas aeruginosa and Scedosporium/Lomentospora often coexist in the lungs of cystic fibrosis patients, where their interaction can affect disease outcomes. Our group has recently demonstrated that P. aeruginosa suppresses the growth of Scedosporium/Lomentospora species partly through mechanisms involving iron sequestration. In this study, we have investigated how molecules secreted by P. aeruginosa under high (36 µM) and low (3.6 µM) iron conditions affect the planktonic growth and biofilm formation by S. apiospermum, S. minutisporum, S. aurantiacum and L. prolificans. Although P. aeruginosa exhibited enhanced proliferation under high-iron conditions, spectrophotometric analyses revealed a marked increase in phenazine and pyoverdine production under low-iron conditions, with siderophore activity confirmed by Chrome Azurol S assays. Supporting these findings, supernatants from P. aeruginosa cells grown under iron limitation markedly inhibited fungal growth (≈30%) and biofilm formation (≈70%), whereas those from high-iron cultures were less effective. Notably, low-iron bacterial-free supernatants exhibited pronounced cytotoxic effects on mammalian cells, reducing metabolic activity by an average of 20% in A549 lung epithelial cells and 40% in THP-1 macrophages, and significantly compromising survival in the Tenebrio molitor infection model, resulting in 100% larval mortality within 7 days. Collectively, these results indicate that the antifungal activity of P. aeruginosa is closely coupled with increased host toxicity. Moreover, the results demonstrate that environmental iron availability plays a critical role in modulating both antifungal activity and toxicity, thereby shaping P. aeruginosa interactions with Scedosporium/Lomentospora species. Such iron-dependent dynamics may influence the progression and severity of respiratory co-infections, with important implications for patient management and therapeutic interventions. Full article
(This article belongs to the Special Issue Mycological Research in the Americas)
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30 pages, 1490 KB  
Systematic Review
Unusual Sporotrichosis: A New Concept Proposal on the Unexpected Faces of Sporothrix spp. Infection
by Jayne Araújo da Silva, Adriany Lucas dos Santos, Júlia Andrade de Castro Rodrigues, Mariana de Paula Pires, Marcelo Cerilo-Filho, Gil Benard, José Rodrigo Santos Silva, Ricardo Luiz Dantas Machado, Jéssica Dornelas da Silva, Héctor Manuel Mora-Montes, Gutemberg Gomes Alves and Andréa Regina de Souza Baptista
J. Fungi 2026, 12(2), 155; https://doi.org/10.3390/jof12020155 - 21 Feb 2026
Viewed by 2089
Abstract
“Unusual sporotrichosis”, a concept proposed in this review, refers to severe, extracutaneous, or anatomically atypical manifestations of sporotrichosis occurring in immunocompetent hosts and represents an underrecognized clinical subset associated with important diagnostic and therapeutic challenges. This systematic review aimed to characterize unusual sporotrichosis [...] Read more.
“Unusual sporotrichosis”, a concept proposed in this review, refers to severe, extracutaneous, or anatomically atypical manifestations of sporotrichosis occurring in immunocompetent hosts and represents an underrecognized clinical subset associated with important diagnostic and therapeutic challenges. This systematic review aimed to characterize unusual sporotrichosis worldwide and to clarify its epidemiological, clinical, diagnostic, and therapeutic patterns. Following a registered protocol and PRISMA guidelines, PubMed, Scopus, and BVS/LILACS were searched up to November 2025 using a PICO-based strategy. Eligible studies included peer-reviewed case reports and case series with laboratory-confirmed sporotrichosis in patients without immunosuppression, diabetes mellitus, alcoholism, or other confounding comorbidities; classical lymphocutaneous and fixed cutaneous forms were excluded. From 922 records, 39 studies were included (13 case series and 26 case reports), yielding 55 cases reported between 1957 and 2024 across five world regions, mainly from the United States of America and Brazil. Adults aged 40–59 years (41.8%) and males (74.5%) predominated. Sapronotic transmission was most frequent (69.0%), although zoonotic transmission increased over time. Sporothrix schenckii/Sporothrix schenckii sensu stricto was the predominant species (87.3%). Osteoarticular (30.9%) and systemic (27.2%) forms were the most common presentations. Although cure was achieved in most cases (58.1%), sequelae were frequent (21.8%), and the worst prognosis—including most deaths—was observed in osteoarticular sporotrichosis. Unusual sporotrichosis is globally distributed and clinically distinct; therefore, early recognition and multimodal diagnostic and therapeutic strategies are essential to improve outcome. Full article
(This article belongs to the Special Issue Mycological Research in the Americas)
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