Related Experiment Video

Updated: May 12, 2026

Plasmodium falciparum Gametocyte Culture and Mosquito Infection Through Artificial Membrane Feeding
09:23

Plasmodium falciparum Gametocyte Culture and Mosquito Infection Through Artificial Membrane Feeding

Published on: July 3, 2020

Proteomic analysis of Plasmodium falciparum schizonts reveals heparin-binding merozoite proteins

Yan Zhang1, Ning Jiang, Huijun Lu

  • 1Key Laboratory of Zoonosis, Ministry of Education, Jilin University, Xian Da Lu 5333, Changchun 130062, China.

Journal of Proteome Research
|April 10, 2013
PubMed

Insights

Malaria parasites use host glycosaminoglycans (GAGs) to invade red blood cells. Researchers identified key parasite proteins that bind GAGs, offering insights into malaria invasion mechanisms.

Area of Science:

  • Parasitology
  • Molecular Biology
  • Biochemistry

Background:

  • Plasmodium falciparum malaria parasites use host glycosaminoglycans (GAGs) for red blood cell invasion and sequestration.
  • Heparin and heparan sulfate (HS) are GAGs that inhibit merozoite invasion, but the underlying molecular mechanisms are unclear.

Purpose of the Study:

  • To identify and characterize heparin-binding proteins from P. falciparum merozoites.
  • To elucidate the molecular mechanisms of host GAGs in blocking parasite invasion.

Main Methods:

  • Affinity chromatography was used to enrich schizont-derived proteins that bind heparin.
  • Two-dimensional liquid chromatography-mass spectrometry (LC/LC-MS/MS) identified 811 P. falciparum proteins from 6062 peptides.

Main Results:

  • Identified proteins were classified into 14 functional groups, including pathogenesis and signal transduction.
  • Proteins with high peptide counts were primarily located in merozoite rhoptries and the infected erythrocyte membrane.
  • The identified heparin/HS-binding proteome suggests significant roles in parasite biology.

Conclusions:

  • The study identified key heparin-binding proteins involved in Plasmodium falciparum invasion.
  • Understanding these interactions can lead to new strategies for blocking malaria parasite entry into red blood cells.

More Related Videos

High Yield Purification of Plasmodium falciparum Merozoites For Use in Opsonizing Antibody Assays10:38

High Yield Purification of Plasmodium falciparum Merozoites For Use in Opsonizing Antibody Assays

Published on: July 17, 2014

Methods to Investigate the Regulatory Role of Small RNAs and Ribosomal Occupancy of Plasmodium falciparum10:22

Methods to Investigate the Regulatory Role of Small RNAs and Ribosomal Occupancy of Plasmodium falciparum

Published on: December 4, 2015

Related Concept Videos

Symbiosis00:58

Symbiosis

Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
Diversity of Protists II01:27

Diversity of Protists II

Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...