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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...

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Related Experiment Video

Updated: May 11, 2026

Inoculating Anopheles gambiae Mosquitoes with Beads to Induce and Measure the Melanization Immune Response
08:24

Inoculating Anopheles gambiae Mosquitoes with Beads to Induce and Measure the Melanization Immune Response

Published on: January 12, 2017

Engineered anopheles immunity to Plasmodium infection.

Yuemei Dong1, Suchismita Das, Chris Cirimotich

  • 1W. Harry Feinstone Department of Molecular Microbiology and Immunology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States of America.

Plos Pathogens
|January 5, 2012
PubMed
Summary

Genetic engineering enhanced mosquito immunity against malaria parasites. Immune-enhanced Anopheles stephensi mosquitoes showed increased resistance to Plasmodium falciparum, offering a potential new malaria control strategy.

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Generating Genetically Modified Plasmodium berghei Sporozoites
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Related Experiment Videos

Last Updated: May 11, 2026

Inoculating Anopheles gambiae Mosquitoes with Beads to Induce and Measure the Melanization Immune Response
08:24

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Published on: January 12, 2017

Detection of Plasmodium Sporozoites in Anopheles Mosquitoes using an Enzyme-linked Immunosorbent Assay
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Detection of Plasmodium Sporozoites in Anopheles Mosquitoes using an Enzyme-linked Immunosorbent Assay

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Generating Genetically Modified Plasmodium berghei Sporozoites
10:16

Generating Genetically Modified Plasmodium berghei Sporozoites

Published on: May 5, 2023

Area of Science:

  • Vector biology
  • Immunology
  • Genetic engineering

Background:

  • Malaria, caused by Plasmodium falciparum, is transmitted by Anopheles mosquitoes.
  • The mosquito's innate immune system combats the malaria parasite during development.

Purpose of the Study:

  • To genetically engineer Anopheles stephensi mosquitoes with enhanced immunity against malaria.
  • To investigate the role of the IMD pathway and NF-kB Rel2 in mosquito immune response.

Main Methods:

  • Genetic engineering of Anopheles stephensi mosquitoes.
  • Blood meal-inducible expression of a transgene encoding NF-kB Rel2.
  • Assessment of Plasmodium and microbial infection resistance in transgenic mosquitoes.

Main Results:

  • Transgenic mosquitoes exhibited heightened resistance to Plasmodium and microbial infections.
  • Immune enhancement was attributed to concerted, tissue-specific immune attacks.
  • Genetic modification had minimal impact on mosquito fitness in laboratory settings.

Conclusions:

  • Immune-enhanced mosquitoes demonstrate potential for malaria control.
  • Targeting mosquito innate immunity is a viable strategy against malaria transmission.
  • Further research is warranted to explore this approach for practical malaria control.