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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...
Fungal Phylum Microsporidia01:28

Fungal Phylum Microsporidia

Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
Leishmaniasis01:30

Leishmaniasis

Leishmaniasis is a protozoal disease caused by species of the genus Leishmania and transmitted through the bite of infected female sandflies. The parasite exists in two principal morphological forms during its life cycle. A sandfly acquires intracellular amastigotes from an infected reservoir host, such as a dog. Within the sandfly, these forms differentiate into motile, flagellated promastigotes. During a subsequent blood meal, promastigotes are injected into the human host, where they...
Malaria01:29

Malaria

Malaria pathogenesis in humans reflects a delicate interplay between parasite biology and host response. Clinical illness reflects a host’s immune response to the parasite’s asexual replication cycle, which is often asymptomatic in individuals with partial immunity. From the parasite's perspective, transmission between mosquito and human with minimal host pathology is evolutionarily advantageous. Among the six Plasmodium species infecting humans, P. falciparum and P. vivax dominate in global...
American Trypanosomiasis01:22

American Trypanosomiasis

Chagas disease, or American trypanosomiasis, is a vector-borne parasitic infection caused by Trypanosoma cruzi, a flagellated protozoan (kinetoplastid) of the family Trypanosomatidae. The disease is endemic in Latin America, although cases are increasingly reported worldwide due to human migration. Transmission most commonly occurs when feces of infected triatomine bugs contaminate bite wounds or mucosal surfaces; additional routes include congenital, transfusional, transplant-related, and oral...
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Amebiasis

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Related Experiment Video

Updated: Jun 28, 2026

Protocol for Production of a Genetic Cross of the Rodent Malaria Parasites
13:39

Protocol for Production of a Genetic Cross of the Rodent Malaria Parasites

Published on: January 4, 2011

Malarial anaemia: a crossroad?

Mathieu Nacher1

  • 1Unité INSERM 511: Immunobiologie Cellulaire et Moléculaire des Infections Parasitaires, CHRU Pitié-Salpétrière, Paris, France. m_nacher@lycos.com

Medical Hypotheses
|September 5, 2002
PubMed
Summary

Anemia significantly impacts the malaria parasite Plasmodium falciparum lifecycle. Anemic patients may preferentially amplify the spread of malaria, highlighting anemia

Area of Science:

  • Malariology
  • Parasitology
  • Hematology

Background:

  • Plasmodium falciparum exhibits remarkable adaptability in evading human interventions.
  • The red blood cell plays a critical role in various stages of the Plasmodium falciparum lifecycle.
  • Hematocrit reduction is crucial for vector survival, gametocyte development, and host pathology.

Purpose of the Study:

  • To emphasize the significance of anemia in the context of Plasmodium falciparum infections.
  • To explore the potential role of anemic individuals as amplifiers of the malaria parasite cycle.

Main Methods:

  • Review of recent observations and literature on Plasmodium falciparum and anemia.
  • Analysis of the relationship between hematocrit levels and parasite transmission dynamics.

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

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Last Updated: Jun 28, 2026

Protocol for Production of a Genetic Cross of the Rodent Malaria Parasites
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Protocol for Production of a Genetic Cross of the Rodent Malaria Parasites

Published on: January 4, 2011

A Simple Protocol for Platelet-mediated Clumping of Plasmodium falciparum-infected Erythrocytes in a Resource Poor Setting
07:27

A Simple Protocol for Platelet-mediated Clumping of Plasmodium falciparum-infected Erythrocytes in a Resource Poor Setting

Published on: May 16, 2013

Methods to Investigate the Regulatory Role of Small RNAs and Ribosomal Occupancy of Plasmodium falciparum
10:22

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

Published on: December 4, 2015

  • Epidemiological considerations of malaria risk groups.

    • Main Results:

    • Anemia is identified as a factor of paramount importance in the Plasmodium falciparum lifecycle.
    • Hematocrit reduction influences vector survival, gametocyte infectiousness, and host pathology.
    • Anemic patients represent a subgroup that may preferentially amplify the plasmodial cycle.

    Conclusions:

    • Anemia plays a critical, often overlooked, role in sustaining Plasmodium falciparum transmission.
    • Anemic individuals in malaria-endemic regions could be key amplifiers of malaria parasites.
    • Further research into the interplay between anemia and malaria is warranted for effective control strategies.