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Vitamin and cofactor acquisition in apicomplexans: Synthesis versus salvage.


ABSTRACT: The Apicomplexa phylum comprises diverse parasitic organisms that have evolved from a free-living ancestor. These obligate intracellular parasites exhibit versatile metabolic capabilities reflecting their capacity to survive and grow in different hosts and varying niches. Determined by nutrient availability, they either use their biosynthesis machineries or largely depend on their host for metabolite acquisition. Because vitamins cannot be synthesized by the mammalian host, the enzymes required for their synthesis in apicomplexan parasites represent a large repertoire of potential therapeutic targets. Here, we review recent advances in metabolic reconstruction and functional studies coupled to metabolomics that unravel the interplay between biosynthesis and salvage of vitamins and cofactors in apicomplexans. A particular emphasis is placed on Toxoplasma gondii, during both its acute and latent stages of infection.

SUBMITTER: Krishnan A 

PROVIDER: S-EPMC6970920 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Vitamin and cofactor acquisition in apicomplexans: Synthesis <i>versus</i> salvage.

Krishnan Aarti A   Kloehn Joachim J   Lunghi Matteo M   Soldati-Favre Dominique D  

The Journal of biological chemistry 20191125 3


The Apicomplexa phylum comprises diverse parasitic organisms that have evolved from a free-living ancestor. These obligate intracellular parasites exhibit versatile metabolic capabilities reflecting their capacity to survive and grow in different hosts and varying niches. Determined by nutrient availability, they either use their biosynthesis machineries or largely depend on their host for metabolite acquisition. Because vitamins cannot be synthesized by the mammalian host, the enzymes required  ...[more]

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