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Updated: Jun 18, 2026
09:14
DamID-seq: Genome-wide Mapping of Protein-DNA Interactions by High Throughput Sequencing of Adenine-methylated DNA Fragments
Published on: January 27, 2016
Phylogeny and diversity study in Damani sheep through mitochondrial DNA D-loop nucleotides sequence
Muhammad Zohaib1, Farhad Ali2, Syed Muhammad Suhail1
1The University of Agriculture, Peshawar, Pakistan.
Tropical Animal Health and Production
|June 17, 2026
Summary
This study analyzed the mitochondrial DNA (mtDNA) D-loop region in Damani sheep, revealing significant genetic diversity and a common matrilineal lineage with Chinese and Russian sheep breeds. These findings are crucial for future conservation and breeding strategies.
Area of Science:
- Animal Genetics
- Molecular Biology
- Population Genetics
Background:
- Limited genetic information exists for the Damani sheep breed, primarily identified by morphology and SSR markers.
- Previous studies lacked insights into the breed's origin and matrilineal lineage.
Purpose of the Study:
- To investigate the genetic diversity, relationships, and matrilineal lineage of the Damani sheep breed.
- To analyze the mitochondrial DNA (mtDNA) control region, specifically the Displacement Loop (D-loop).
Main Methods:
- DNA extraction from blood samples of 30 Damani sheep.
- Polymerase Chain Reaction (PCR) amplification of the 910 bp D-loop region.
- Sanger sequencing and phylogenetic analysis of D-loop sequences.
Main Results:
- Sixty-seven polymorphic positions and six haplotypes were identified in the D-loop sequences.
- Mean haplotype diversity (HD) was 0.853 and nucleotide diversity (π) was 0.02867.
- Phylogenetic analysis placed Damani sheep within domestic sheep (Ovis aries) and showed common matrilineal links with Chinese and Russian native sheep.
Conclusions:
- The Damani sheep population exhibits considerable genetic diversity.
- The study establishes a baseline for effective breeding strategies and conservation management.
- Common matrilineal lineage suggests historical connections with other Asian sheep populations.
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