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Mobile genetic elements colonizing the genomes of metazoan parasites

Paul J Brindley1, Thewarach Laha, Donald P McManus

  • 1Dept of Tropical Medicine, Tulane University, Health Sciences Center, New Orleans, Louisiana 70112, USA. paul.brindley@tulane.edu

Trends in Parasitology
|February 15, 2003
PubMed

Insights

Mobile genetic elements (MGEs) are abundant in eukaryotic genomes, especially in metazoan parasites. Studying these MGEs in parasites like helminths and mosquitoes offers potential for transgenesis and epidemiology.

Area of Science:

  • Genomics and Molecular Biology
  • Parasitology
  • Evolutionary Biology

Background:

  • Eukaryotic genomes, including those of metazoan parasites, contain a significant proportion of repetitive DNA sequences.
  • Mobile genetic elements (MGEs) are a major component of these repetitive sequences, particularly interspersed repeats.

Purpose of the Study:

  • To review current knowledge on MGEs that have integrated into the genomes of metazoan parasites.
  • To compare MGEs in parasite genomes (helminths, mosquitoes) with those in established model organisms.

Main Methods:

  • Literature review focusing on MGEs in metazoan parasite genomes.
  • Comparative genomics analysis between parasite genomes and model organisms.

Main Results:

  • MGEs are a substantial component of repetitive DNA in metazoan parasite genomes.
  • Specific comparisons highlight unique MGE profiles in helminth and mosquito genomes relative to model systems.

Conclusions:

  • MGEs in metazoan parasite genomes represent a rich area for further research.
  • Understanding these MGEs can lead to practical applications in genetic engineering (transgenesis) and disease tracking (epidemiological studies).

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