Genetic diversity in mitochondrial DNA D-loop region of indigenous pig breeds of India
RONGALA LAXMIVANDANA YOYA VASHI DIPJYOTI KALITA SANTANU BANIK NIHAR RANJAN SAHOO SOUMEN NASKAR
Click here to view fulltext PDF
India is home for at least 18 indigenous pig breeds; however, the genetic diversity of Indian pig, Sus scrofa domesticus, population is poorly known. Here, the hypervariable region (HVR) of mitochondrial DNA D-loop (~487 bp) of 214 pigs representing five indigenous and three exotic breeds was sequenced and analysed with reference sequences from other countries. A total of 54 segregating sites among the sequences revealed 56 different haplotypes. Two, 11, eight, seven and six haplotypes were identified with some haplotypesharing in indigenous breeds: Doom, Ghungroo, Mali, Niang-Megha and Tenyi-Vo, respectively. Population pairwise differences (PhiST) (0.409) were found significant (P<0.001), and variance within breeds (59.1%) was more than that of among breeds (40.9%). Similar topology was noted in phylogeny and median-joining network. Indian domestic pigs from this study were found to possess unique and highly differentiated haplotypes on network analysis. The diverse haplotypes and phylogenetic lineages identified here is the first report onIndian pig breeds that need to be further explored by complete mitochondrial DNA sequencing and analysis. These findings provide indicative insights for conservation and optimum utilization of the porcine genetic resources.
RONGALA LAXMIVANDANA1 YOYA VASHI2 DIPJYOTI KALITA2 SANTANU BANIK2 NIHAR RANJAN SAHOO2 SOUMEN NASKAR1 2
Volume 102, 2023
Continuous Article Publishing mode
Click here for Editorial Note on CAP Mode