Genetic polymorphism of circumsporozoite protein (CSP) in Plasmodium malariae isolates from Malaysia

Document Type

Article

Publication Date

4-1-2022

Abstract

Information about Plasmodium malariae is scanty worldwide due to its ``benign'' nature and low infection rates. Consequently, studies on the genetic polymorphisms of P. malariae are lacking. Here, we report genetic polymorphisms of 28 P. malariae circumsporozoite protein (Pmcsp) isolates from Malaysia which were compared with those in other regions in Asia as well as those from Africa. Phylogenetic analysis revealed that most Malaysian P. malariae isolates clustered together but independently from other Asian isolates. Low nucleotide diversity was observed in Pmcsp non-repeat regions in contrast to high nucleotide diversity observed in non-repeat regions of Plasmodium knowlesi CSP gene, the current major cause of malaria in Malaysia. This study contributes to the characterisation of naturally occurring polymorphisms in the P. malariae CSP gene.

Keywords

Plasmodium malariae, Circumsporozoite protein, Malaysia, Malaria

Publication Title

Parasitology International

Divisions

fac_med

Funders

Long Term Research Grant Scheme by Ministry of Education Malaysia [Grant No: LRGS/1/2018/UM/01/1/4 (LR002A-2018)]

Volume

87

Publisher

Elsevier

Publisher Location

ELSEVIER HOUSE, BROOKVALE PLAZA, EAST PARK SHANNON, CO, CLARE, 00000, IRELAND

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