Purine Acquisition and Synthesis by Human Fungal Pathogens
AbstractWhile members of the Kingdom Fungi are found across many of the world’s most hostile environments, only a limited number of species can thrive within the human host. The causative agents of the most common invasive fungal infections are Candida albicans, Aspergillus fumigatus, and Cryptococcus neoformans. During the infection process, these fungi must not only combat the host immune system while adapting to dramatic changes in temperature and pH, but also acquire sufficient nutrients to enable growth and dissemination in the host. One class of nutrients required by fungi, which is found in varying concentrations in their environmental niches and the human host, is the purines. These nitrogen-containing heterocycles are one of the most abundant organic molecules in nature and are required for roles as diverse as signal transduction, energy metabolism and DNA synthesis. The most common life-threatening fungal pathogens can degrade, salvage and synthesize de novo purines through a number of enzymatic steps that are conserved. While these enable them to adapt to the changing purine availability in the environment, only de novo purine biosynthesis is essential during infection and therefore an attractive antimycotic target. View Full-Text
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Chitty, J.L.; Fraser, J.A. Purine Acquisition and Synthesis by Human Fungal Pathogens. Microorganisms 2017, 5, 33.
Chitty JL, Fraser JA. Purine Acquisition and Synthesis by Human Fungal Pathogens. Microorganisms. 2017; 5(2):33.Chicago/Turabian Style
Chitty, Jessica L.; Fraser, James A. 2017. "Purine Acquisition and Synthesis by Human Fungal Pathogens." Microorganisms 5, no. 2: 33.