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Red cell enzyme polymorphisms in Papua New Guinea Eastern Highlands.
1Institut National de Transfusion Sanguine, Etablissement Saint Antoine, Paris, France.
Gene Geography : a Computerized Bulletin on Human Gene Frequencies
|August 1, 1988
Summary
Genetic diversity in Papua New Guinea
Area of Science:
- Population genetics
- Human evolution
- Biochemical genetics
Background:
- Red cell enzyme polymorphisms offer insights into population genetics.
- Understanding genetic variation in isolated groups like the Anga tribes is crucial for evolutionary studies.
Purpose of the Study:
- To investigate red cell enzyme polymorphisms in the Baruya and other Anga tribes of Papua New Guinea.
- To compare genetic profiles between Anga and a non-Anga (Aziana) tribe.
Main Methods:
- Analysis of ten red cell enzyme polymorphisms: malic dehydrogenase (MDH1), adenylate kinase (AK), phosphohexose isomerase (PHI), adenosine deaminase (ADA), esterase D (ESD), glutamic pyruvic transaminase (GPT), acid phosphatase (ACP1), phosphoglucomutase 1 and 2 (PGM1, PGM2), and phosphogluconate dehydrogenase (PGD).
- Sampling was conducted in the Wonenara and Marawaka valleys of Papua New Guinea's Eastern Highlands.
Main Results:
- Variants were identified in adenosine deaminase (ADA), phosphoglucomutase 1 (PGM1), and phosphoglucomutase 2 (PGM2).
- Adenylate kinase (AK) and phosphohexose isomerase (PHI) were monomorphic (AK 1, PHI 1) across all Anga subjects.
- Malic dehydrogenase (MDH1) was monomorphic in Anga tribes but showed variants in the Aziana tribe, highlighting genetic distinctiveness.
Conclusions:
- The Aziana tribe exhibits significant genetic differences compared to the Anga peoples across multiple red cell enzyme systems.
- This study provides valuable data on the genetic landscape of indigenous populations in Papua New Guinea.