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CRISPR/Cas9 Gene Editing to Make Conditional Mutants of Human Malaria Parasite P. falciparum
Published on: September 18, 2018
Evolutionary genetic insights into Plasmodium falciparum functional genes
Meenu Sharma1, Aditya P Dash, Aparup Das
1Evolutionary Genomics and Bioinformatics Laboratory, National Institute of Malaria Research, Sector 8, Dwarka, New Delhi 110077, India.
The malaria parasite Plasmodium falciparum shows significant gene evolution differences compared to Plasmodium vivax. Unique P. falciparum genes are more likely to contain introns, contributing to genome complexity.
Area of Science:
- Evolutionary biology
- Genomics
- Parasitology
Background:
- The human malaria parasite, Plasmodium falciparum, exhibits complex and rapidly evolving behaviors, making it a subject of intense study for evolutionary biologists.
- As the most virulent and increasingly prevalent malaria parasite globally, understanding P. falciparum's genome evolution is crucial.
Purpose of the Study:
- To investigate the differential evolution of functional genes in Plasmodium falciparum using its complete genome sequence.
- To compare the genetic architecture of P. falciparum genes with those of Plasmodium vivax.
Main Methods:
- Comparative genomics analysis of functional genes between Plasmodium falciparum and Plasmodium vivax.
- Examination of gene structures, including intron presence, number, and length, in conserved and unique P. falciparum genes.
Main Results:
- Approximately 82% of P. falciparum genes are conserved in P. vivax, while 18% are unique to P. falciparum.
- Unique P. falciparum genes predominantly feature introns, unlike about half of the conserved genes.
- Significant positive correlations between intron length and gene length were observed, particularly for unique genes.
Conclusions:
- Distinct intron organization patterns exist between unique and conserved genes in P. falciparum.
- Introns play a role in the genome complexity and evolution of P. falciparum.
- This study provides a detailed evolutionary analysis of functional genes in a significant malaria parasite.
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