Candida albicans is a major opportunistic fungal pathogen of humans, especially in the oral cavity it involves in precancerous lesions. Numerous transcriptional regulators and hypha-specific genes involved in the morphogenesis mechanisms have been identified. Its virulence is predominantly attributed to the potentiality of morphological switching from yeast and pseudohyphae to hyphal growth. Giving attention in farnesol for prevention or intervention of its virulence sense and possible etiologic role in some uncovered premalignant diseases, in addition, to be a quorum-sensing signal molecule and relationship with HOG pathway, although its morphological switching inhibiting function has attracted high attention and got great progress in being elucidated, their exact mode of action is not completely understood. This report provides a review of characteristic aspects of farnesol signaling and HOG pathway during hyphal development. It also includes other associated pathways, molecules, and novel drug development based on the latest researches over the last decade. Furthermore, farnesol as immunomodulatory to host is an important inferring.
Keywords: Candida albicans; HOG pathway; Morphological switching; dimorphic switch; farnesol; immune modulation; inhibitor.
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