Abstract
Abstract
Fungal infections represent a significant health risk worldwide. Opportunistic infections caused by yeasts, particularly by Candida spp. and their virulent emerging isolates, have become a major threat to humans, with an increase in fatal cases of infections attributed to the lack of effective anti-yeast therapies and the emergence of fungal resistance to the currently applied drugs. In this regard, the need for novel anti-fungal agents with modes of action different from those currently available is undeniable. Anti-microbial peptides (AMPs) are promising candidates for the development of novel anti-fungal biomolecules to be applied in clinic. A class of AMPs that is of particular interest is the small cysteine-rich proteins (CRPs). Among CRPs, plant defensins and anti-fungal proteins (AFPs) of fungal origin constitute two of the largest and most promising groups of CRPs showing anti-fungal properties, including activity against multi-resistant pathogenic yeasts. In this review, we update and compare the sequence, structure, and properties of plant defensins and AFPs with anti-yeast activity, along with their in vitro and in vivo potency. We focus on the current knowledge about their mechanism of action that may lead the way to new anti-fungals, as well as on the developments for their effective biotechnological production.
Key points
• Plant defensins and fungal AFPs are alternative anti-yeast agents
• Their multi-faceted mode of action makes occurrence of resistance rather improbable
• Safe and cost-effective biofactories remain crucial for clinical application
Funder
Ministerio de Ciencia e Innovación
Generalitat Valenciana
Instituto de Agroquímica y Tecnología de Alimentos
Publisher
Springer Science and Business Media LLC
Cited by
2 articles.
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