Allelic dimorphism of Plasmodium vivax gam-1 in the Indian subcontinent
2006

Genetic Diversity of Plasmodium vivax in India

Sample size: 252 publication Evidence: moderate

Author Information

Author(s): Prajapati Surendra K, Verma Anju, Adak Tridibes, Yadav Rajpal S, Kumar Ashwini, Eapen Alex, Das Manoj K, Singh Neeru, Sharma Surya K, Rizvi Moshahid A, Dash Aditya P, Joshi Hema

Primary Institution: National Institute of Malaria Research (ICMR)

Hypothesis

What is the extent of diversity in Pvgam-1 among field isolates of Plasmodium vivax in India?

Conclusion

The study shows limited diversity of the Pvgam-1 marker in Indian isolates with a well representation of both Belem and Chesson type alleles.

Supporting Evidence

  • Both Belem and Chesson type alleles were present among isolates from all study sites.
  • The Belem type allele was predominant, occurring in 67% of isolates.
  • The proportion of isolates showing mixed forms of alleles was about 13% overall.

Takeaway

Scientists studied blood samples from people in India to see how different the malaria parasite is. They found two main types of the parasite, but not a lot of variety.

Methodology

The study used nested PCR assays to assess the diversity of Pvgam-1 among field isolates collected from different regions of India.

Limitations

The study could not correlate molecular markers with clinical findings.

Participant Demographics

Field isolates were collected from 10 different geographical regions in India, including urban and rural settings.

Digital Object Identifier (DOI)

10.1186/1475-2875-5-90

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