Fungal messenger RNA (mRNA) (mRNA)

Fungal messenger RNA (mRNA) is a critical component of the fungal gene expression machinery, acting as the intermediary template that translates genetic code from DNA into functional proteins. In pathogenic species such as Candida albicans and Aspergillus fumigatus, mRNA is essential for maintaining cell wall integrity, metabolic adaptation, and the expression of virulence factors required for host infection [1]. As a therapeutic target, fungal mRNA is primarily affected by the antimetabolite flucytosine (5-fluorocytosine), which is selectively taken up by fungal cells and converted into 5-fluorouridine triphosphate (FUTP) [2]. This fraudulent nucleotide is incorporated into the fungal mRNA strand during synthesis, leading to miscoding and the production of non-functional or truncated proteins, which ultimately halts fungal growth [3]. Modern experimental approaches are also exploring the use of antisense oligonucleotides and RNA interference (RNAi) to specifically silence essential fungal transcripts, offering a high degree of specificity compared to traditional small molecules [4]. Despite its potential, targeting fungal mRNA presents challenges, including the rapid development of resistance through mutations in the uracil phosphoribosyltransferase pathway and the risk of toxicity if host RNA processing is inadvertently affected [5]. Overall, fungal mRNA remains a vital target for both established antifungal therapies and the development of next-generation precision medicines aimed at treating systemic fungal infections.

Other names

Fungal mRNAFungal messenger ribonucleic acidFungal transcriptsFungal ribonucleic acid

Inhibition of protein synthesis through the incorporation of fraudulent nucleotides (e.g., 5-fluorouridine triphosphate) into fungal mRNA, leading to defective translation and cell death [2][3].