2024
Vitamin B5 metabolism is essential for vacuolar and mitochondrial functions and drug detoxification in fungi
Choi J, Gihaz S, Munshi M, Singh P, Vydyam P, Hamel P, Adams E, Sun X, Khalimonchuk O, Fuller K, Ben Mamoun C. Vitamin B5 metabolism is essential for vacuolar and mitochondrial functions and drug detoxification in fungi. Communications Biology 2024, 7: 894. PMID: 39043829, PMCID: PMC11266677, DOI: 10.1038/s42003-024-06595-7.Peer-Reviewed Original ResearchConceptsSusceptibility of fungiRegulation of genesMetabolism of fatty acidsVacuolar morphologySaccharomyces cerevisiaeAcetyl-CoAEukaryotic pathogensGenetic evidenceGenetic regulationCellular processesAntifungal drugsCo-enzyme ADrug detoxificationAntifungal therapyDrug-resistant strainsFungal infectionsMitochondrial functionFungiAmino acidsAR-12Vitamin B5Synthase activityPathwayExcellent targetGlobal health threat
2013
Plasmodium falciparum phosphoethanolamine methyltransferase is essential for malaria transmission
Bobenchik AM, Witola WH, Augagneur Y, Lochlainn L, Garg A, Pachikara N, Choi JY, Zhao YO, Usmani-Brown S, Lee A, Adjalley SH, Samanta S, Fidock DA, Voelker DR, Fikrig E, Mamoun C. Plasmodium falciparum phosphoethanolamine methyltransferase is essential for malaria transmission. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 18262-18267. PMID: 24145416, PMCID: PMC3831454, DOI: 10.1073/pnas.1313965110.Peer-Reviewed Original ResearchConceptsAsexual replicationGametocyte developmentFunctional complementation assaysPhosphoethanolamine N-methyltransferaseHost serineComplementation assaysMalaria transmissionGenetic diversityPhosphoethanolamine methyltransferaseGametocyte differentiationFemale gametocytesSpecificity of inhibitionMetabolic analysisSynthesis of phosphatidylcholineGametocytogenesisChemical screeningPlasmodium speciesAnopheles mosquitoesN-methyltransferaseLow micromolar rangePathwayReplicationHuman erythrocytesParasitesGlobal burden
2008
Disruption of the Plasmodium falciparum PfPMT Gene Results in a Complete Loss of Phosphatidylcholine Biosynthesis via the Serine-Decarboxylase-Phosphoethanolamine-Methyltransferase Pathway and Severe Growth and Survival Defects*
Witola WH, El Bissati K, Pessi G, Xie C, Roepe PD, Mamoun CB. Disruption of the Plasmodium falciparum PfPMT Gene Results in a Complete Loss of Phosphatidylcholine Biosynthesis via the Serine-Decarboxylase-Phosphoethanolamine-Methyltransferase Pathway and Severe Growth and Survival Defects*. Journal Of Biological Chemistry 2008, 283: 27636-27643. PMID: 18694927, PMCID: PMC2562060, DOI: 10.1074/jbc.m804360200.Peer-Reviewed Original ResearchConceptsSDPM pathwayBiosynthesis of phosphatidylcholinePhosphatidylcholine biosynthesisParasite growthMajor membrane phospholipidsHuman malaria parasiteHost serineSerine decarboxylaseGenetic evidenceMethyltransferase enzymeSurvival defectGene resultsYeast cellsMethylation of phosphatidylethanolamineBiosynthesisSynthesis of phosphatidylcholineBiochemical studiesMembrane phospholipidsMalaria parasitesPlasmodium parasitesSevere growthPathwaySignificant defectsParasitesComplete loss