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All Journal Jurnal Ilmu Dasar
Fathul Hidayatul Hasanah
Post-Graduate of Biotechnology University of Jember
Control & Systems Engineering Mathematics

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The Expression of The PfEMP1-DBL2β Recombinant Protein of Plasmodium falciparum Isolated From Indonesia Fathul Hidayatul Hasanah; Erma Sulistyaningsih; Widhi Dyah Sawitri
Jurnal ILMU DASAR Vol 21 No 1 (2020)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (123.49 KB) | DOI: 10.19184/jid.v21i1.10494

Abstract

The binding of Plasmodium falciparum erythrocyte membrane protein 1 (PfEMP1) to Intracellular Adhesion Molecule-1 (ICAM-1) is a major pathological mechanism in severe malaria including cerebral malaria. The binding is mediated by PfEMP1-DBL2β domain. The study aimed to explore there combinant protein of PfEMP1-DBL2β domain of P. falciparum isolated from Indonesia. DNA was isolated from a severe malaria patient. The DBL2β domain was amplified using Polymerase Chain Reaction (PCR) with specific primer and cloned into the pJET1 cloning vector. The DBL2β recombinant protein was constructed from DBL2β-pJET1 clone using pET-30a expression vector and expressed in Escherichia coli BL21-DE3. PCR colony and digestion of plasmid clones using restriction enzymes were conducted to confirm cloning result, and the expression of recombinant protein was analyzed using Sodium Dodecyl Sulfate-Polyacrylamide Gel Electrophoresis (SDS-PAGE). The expression of DBL2β-PfEMP1 domain is higher in pellet than in supernatant fraction. In conclusion, the DBL2β-PfEMP1 domain recombinant protein of P. falciparum isolated from Indonesia expressed as a ~66 kDa protein in full length. Keywords: DBL2β domain, Indonesia, PfEMP1, Plasmodium falciparum, recombinant protein.
Co-Authors Erma Sulistyaningsih Widhi Dyah Sawitri