Transcription of multiple var genes by individual, trophozoite-stage Plasmodium falciparum cells expressing a chondroitin sulphate A binding phenotype

Molecular Microbiology
Michael F DuffyJ C Reeder

Abstract

In this study, we detected multiple var gene transcripts within single, mature trophozoite-infected red blood cells (iRBCs) bound to chondroitin sulphate A (CSA). Several of the var detected had previously been demonstrated to encode Plasmodium falciparum erythrocyte membrane protein-1 (PfEMP-1) variants with domains that mediated iRBC adhesion to receptors other than CSA. Parasites expressing the CSA-adherent phenotype transcribed far more of one var than of all others, but this gene was different from the two other var previously purported to encode adhesion to CSA. Previous work suggesting that only single var are transcribed by mature trophozoites needs re-examination in the light of these data from single, infected cells.

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Citations

Jan 30, 2004·Molecular and Biochemical Parasitology·Mary R Galinski, Vladimir Corredor
Apr 4, 2003·Molecular and Biochemical Parasitology·Gerhard WinterMats Wahlgren
Aug 28, 2003·Current Opinion in Microbiology·Patrick E Duffy, Michal Fried
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Mar 14, 2007·Trends in Parasitology·Michael F Duffy, Wai-Hong Tham
Jul 10, 2007·Molecular Microbiology·Jacqui MontgomeryAlister Craig
Feb 21, 2013·Cellular Microbiology·Paul J McMillanLeann Tilley
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