ArticleScientific reports2022
Unveiling new perspective of phylogeography, genetic diversity, and population dynamics of Southeast Asian and Pacific chickens.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Phylogeny and Genetic Diversity of Philippine Mallard Ducks Based on the Mitochondrial DNA D-loop Region.The journal of poultry science · 2026Article
- Insights into the mitochondrial DNA genetic diversity and affinities of village chickens from the Sulu Archipelago, Philippines.Royal Society open science · 2025Article
- The origin of genetic diversity of indigenous cockfighting chickens of Pakistan by analyzing the mtDNA.Heliyon · 2024Article
- Genetic admixture and diversity in Thai domestic chickens revealed through analysis of Lao Pa Koi fighting cocks.PloS one · 2023Article
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8 authors.
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Abstract
The complex geographic and temporal origins of chicken domestication have attracted wide interest in molecular phylogeny and phylogeographic studies as they continue to be debated up to this day. In particular, the population dynamics and lineage-specific divergence time estimates of chickens in Southeast Asia (SEA) and the Pacific region are not well studied. Here, we analyzed 519 complete mitochondrial DNA control region sequences and identified 133 haplotypes with 70 variable sites. We documented 82.7% geographically unique haplotypes distributed across major haplogroups except for haplogroup C, suggesting high polymorphism among studied individuals. Mainland SEA (MSEA) chickens have higher overall genetic diversity than island SEA (ISEA) chickens. Phylogenetic trees and median-joining network revealed evidence of a new divergent matrilineage (i.e., haplogroup V) as a sister-clade of haplogroup C. The maximum clade credibility tree estimated the earlier coalescence age of ancestral D-lineage (i.e., sub-haplogroup D2) of continental chickens (3.7 kya; 95% HPD 1985-4835 years) while island populations diverged later at 2.1 kya (95% HPD 1467-2815 years). This evidence of earlier coalescence age of haplogroup D ancestral matriline exemplified dispersal patterns to the ISEA, and thereafter the island clade diversified as a distinct group.
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