Sugar nucleotide quantification by liquid chromatography tandem mass spectrometry reveals a distinct profile in Plasmodium falciparum sexual stage parasites

Borja López-Gutiérrez, Rhoel R. Dinglasan, Luis Izquierdo

Research output: Contribution to journalArticle

Abstract

The obligate intracellular lifestyle of Plasmodium falciparum and the difficulties in obtaining sufficient amounts of biological material have hampered the study of specific metabolic pathways in the malaria parasite. Thus, for example, the pools of sugar nucleotides required to fuel glycosylation reactions have never been studied in-depth in well-synchronized asexual parasites or in other stages of its life cycle. These metabolites are of critical importance, especially considering the renewed interest in the presence of N-, O-, and other glycans in key parasite proteins. In this work, we adapted a liquid chromatography tandem mass spectrometry (LC-MS/MS) method based on the use of porous graphitic carbon (PGC) columns and MS-friendly solvents to quantify sugar nucleotides in the malaria parasite. We report the thorough quantification of the pools of these metabolites throughout the intraerythrocytic cycle of P. falciparum. The sensitivity of the method enabled, for the first time, the targeted analysis of these glycosylation precursors in gametocytes, the parasite sexual stages that are transmissible to the mosquito vector.

Original languageEnglish (US)
Pages (from-to)897-905
Number of pages9
JournalBiochemical Journal
Volume474
Issue number6
DOIs
StatePublished - Mar 15 2017
Externally publishedYes

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Liquid chromatography
Plasmodium falciparum
Tandem Mass Spectrometry
Sugars
Liquid Chromatography
Mass spectrometry
Parasites
Nucleotides
Glycosylation
Metabolites
Malaria
Metabolic Networks and Pathways
Life Cycle Stages
Biological materials
Polysaccharides
Life Style
Life cycle
Carbon
Proteins

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Sugar nucleotide quantification by liquid chromatography tandem mass spectrometry reveals a distinct profile in Plasmodium falciparum sexual stage parasites. / López-Gutiérrez, Borja; Dinglasan, Rhoel R.; Izquierdo, Luis.

In: Biochemical Journal, Vol. 474, No. 6, 15.03.2017, p. 897-905.

Research output: Contribution to journalArticle

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