Identification and characterisation of a phospholipid scramblase in the malaria parasite Plasmodium falciparum
File(s)1-s2.0-S0166685121000256-main.pdf (8.14 MB)
Published version
Author(s)
Type
Journal Article
Abstract
Recent studies highlight the emerging role of lipids as important messengers in malaria parasite biology. In an attempt to identify interacting proteins and regulators of these dynamic and versatile molecules, we hypothesised the involvement of phospholipid translocases and their substrates in the infection of the host erythrocyte by the malaria parasite Plasmodium spp. Here, using a data base searching approach of the Plasmodium Genomics Resources (www.plasmodb.org), we have identified a putative phospholipid (PL) scramblase in P. falciparum (PfPLSCR) that is conserved across the genus and in closely related unicellular algae. By reconstituting recombinant PfPLSCR into liposomes, we demonstrate metal ion dependent PL translocase activity and substrate preference, confirming PfPLSCR as a bona fide scramblase. We show that PfPLSCR is expressed during asexual and sexual parasite development, localising to different membranous compartments of the parasite throughout the intra-erythrocytic life cycle. Two different gene knockout approaches, however, suggest that PfPLSCR is not essential for erythrocyte invasion and asexual parasite development, pointing towards a possible role in other stages of the parasite life cycle.
Date Issued
2021-05-08
Date Acceptance
2021-05-06
Citation
Molecular and Biochemical Parasitology, 2021, 243, pp.1-15
ISSN
0166-6851
Publisher
Elsevier
Start Page
1
End Page
15
Journal / Book Title
Molecular and Biochemical Parasitology
Volume
243
Copyright Statement
© 2021 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
License URL
Sponsor
Wellcome Trust
Wellcome Trust
Identifier
https://www.sciencedirect.com/science/article/pii/S0166685121000256?via%3Dihub
Grant Number
100993/Z/13/Z
100993/Z/13/Z
Subjects
Gametocytes
Invasion
Liposomes
Malaria
Phospholipid scramblase
Plasmodium falciparum
06 Biological Sciences
07 Agricultural and Veterinary Sciences
11 Medical and Health Sciences
Mycology & Parasitology
Publication Status
Published
Date Publish Online
2021-05-08