Fungal Infections and Antifungal Strategies

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Antimicrobial Agents and Resistance".

Deadline for manuscript submissions: 15 June 2024 | Viewed by 1277

Special Issue Editor


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Guest Editor
Department of Public Health and Infectious Diseases, “Sapienza” University of Rome, Piazzale Aldo Moro, 00185 Roma, Italy
Interests: drug resistance; biofilm; cell wall proteins; Candida spp.; Malassezia spp.; fungal infections
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Special Issue Information

Dear Colleagues,

The focus of this Special Issue is fungal infections and the potential antifungal strategies that can be used to combat them. Commensal fungal species can transform into invasive pathogens if the host’s immune system is weakened. The inhalation of large quantities of some fungi, particularly pathogenic species, can cause disease in even healthy hosts.

Fungi contribute to approximately 1.5 million deaths and 1.7 billion superficial infections yearly, presenting a significant economic challenge. Some studies have suggested that there is a link between fungal colonization and the advancement of diseases like pancreatic cancer and alcoholic cirrhosis. This is in addition to the potential of fungal infections to cause acute or chronic illnesses.

Currently, only a limited number of suitable drugs are available that combat fungal infections. Specifically, these fall into four drug classes: polyenes, azoles, echinocandins, and pyrimidines. 

However, fungi have developed resistance to drugs in all of these classes, highlighting the need for new strategies in the fight against fungal infections.

It is therefore necessary to synthesize novel drugs, revisit old compounds, or develop agents that target and potentially block fungal virulence factors. Another option would be to combine several drugs for enhanced efficacy.  

This Special Issue aims to showcase current research investigating novel antifungal compounds; in vitro and in vivo studies elucidating their properties are both welcome. We cordially invite prominent researchers in the field to contribute original unpublished articles, or those that are still being reviewed by other journals prior to their dissemination, integration, and promotion. The publication of articles within this specific edition aims to furnish a platform for researchers to share their latest discoveries and grant publicity to published materials amongst the scientific community. Our aspiration is that the publication of this Special Issue will enhance knowledge and inspire novel collaborations as well as new directions in research.

Potential topics include, but are not limited to, the following:

  • Novel antifungal compounds;
  • The mechanisms of action of antifungal compounds;
  • The use of nanoparticles to deliver fungicidal compounds;
  • Natural compounds and conventional therapy combination approaches;
  • Pharmacological evidence for antifungal activity (in vitro, in vivo, and in silico);

Multiple methodological approaches may be employed to determine the antifungal properties and activity of these novel compounds, as well as to investigate drug resistance phenomena.

Dr. Letizia Angiolella
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. Microorganisms 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 2700 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

  • fungal Infection
  • antifungal
  • drug resistance
  • antifungal compounds
  • immune system

Published Papers (1 paper)

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Research

12 pages, 913 KiB  
Article
Identification of Virulence Factors in Isolates of Candida haemulonii, Candida albicans and Clavispora lusitaniae with Low Susceptibility and Resistance to Fluconazole and Amphotericin B
by Letizia Angiolella, Florencia Rojas, Andrea Giammarino, Nicolò Bellucci and Gustavo Giusiano
Microorganisms 2024, 12(1), 212; https://0-doi-org.brum.beds.ac.uk/10.3390/microorganisms12010212 - 20 Jan 2024
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Abstract
Emerging life-threatening multidrug-resistant (MDR) species such as the C. haemulonii species complex, Clavispora lusitaniae (sin. C. lusitaniae), and other Candida species are considered as an increasing risk for human health in the near future. (1) Background: Many studies have emphasized that the [...] Read more.
Emerging life-threatening multidrug-resistant (MDR) species such as the C. haemulonii species complex, Clavispora lusitaniae (sin. C. lusitaniae), and other Candida species are considered as an increasing risk for human health in the near future. (1) Background: Many studies have emphasized that the increase in drug resistance can be associated with several virulence factors in Candida and its knowledge is also essential in developing new antifungal strategies. (2) Methods: Hydrophobicity, adherence, biofilm formation, lipase activity, resistance to osmotic stress, and virulence ‘in vivo’ on G. mellonella larvae were studied in isolates of C. haemulonii, C. albicans, and C. lusitaniae with low susceptibility and resistance to fluconazole and amphotericin B. (3) Results: Intra- and interspecies variability were observed. C. haemulonii showed high hydrophobicity and the ability to adhere to and form biofilm. C. lusitaniae was less hydrophobic, was biofilm-formation-strain-dependent, and did not show lipase activity. Larvae inoculated with C. albicans isolates displayed significantly higher mortality rates than those infected with C. haemulonii and C. lusitaniae. (4) Conclusions: The ability to adhere to and form biofilms associated with their hydrophobic capacity, to adapt to stress, and to infect within an in vivo model, observed in these non-wild-type Candida and Clavispora isolates, shows their marked virulence features. Since factors that define virulence are related to the development of the resistance of these fungi to the few antifungals available for clinical use, differences in the physiology of these cells must be considered to develop new antifungal therapies. Full article
(This article belongs to the Special Issue Fungal Infections and Antifungal Strategies)
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