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Molecular biology reports2010; 38(1); 593-599; doi: 10.1007/s11033-010-0145-8

The complete mitochondrial genome and phylogenetic analysis of the Debao pony (Equus caballus).

Abstract: The Debao pony (Equus caballus) is the most important local variety of domestic horses, and is strictly protected by the Chinese government. Their average adult withers height is 94.42±3.76 cm for males and 98.35±4.55 cm for females, respectively. In the present study, the complete sequence of the Debao pony mitochondrial genome was determined (GenBank Accession No. EU939445), and was found to be similar to other equine mitochondrial genomes. However, there were 85 nucleotide substitutions in the 13 protein-coding genes; the percentage of substitution was 0.8±0.1. Polymorphisms of mtDNA control regions were analyzed with restriction fragment length polymorphism (RFLP), and 19 haplotypes were found, with a genetic diversity of 0.77. Neighbor-Joining (NJ) and Minimum Evolution (ME) trees based on complete control regions of mtDNA were constructed with the Maximum Composite Likelihood (MCL) method. The analysis indicated that the origins of the Debao pony were scattered in the various branches of the phylogenetic tree. The results from the present study suggest that the Debao pony is derived from multi-matrilineal origins of the species.
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Publication Date: 2010-04-15 PubMed ID: 20390359DOI: 10.1007/s11033-010-0145-8Google Scholar: Lookup
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  • Journal Article
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  • Non-U.S. Gov't

Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

The research paper is about the results of sequencing and following analysis of the mitochondrial genome of the Debao pony, a domestic breed of horse native to China. The study highlights that the Debao pony’s origins are diverse, based on the genetic diversity and positions in the constructed phylogenetic tree.

Objective of the Study and Data Extraction

  • This research focused on understanding the genetic background of the Debao pony, a protected breed in China, by sequencing its mitochondrial genome and analyzing the resultant data.
  • The genetic data obtained from the Debao pony was submitted and recorded to the GenBank, an open access genetic sequence database.

Analytical and Computational Methodology

  • The entire sequence of the Debao pony mitochondrial genome was analysed, and comparisons were drawn with other members of the equine family.
  • The sequence was found to contain 85 nucleotide substitutions across 13 protein-coding genes, reflecting a mutation rate of approximately 0.8%.
  • The mitochondrial DNA control regions were scrutinized for polymorphisms using Restriction Fragment Length Polymorphism (RFLP), a technique employed to distinguish genetic variations.
  • These genetic differences led to the identification of 19 distinct haplotypes with a collective genetic diversity of 0.77, indicating a rich genetic variation within this breed.

Results and Conclusions

  • Using the Maximal Composite Likelihood (MCL) method, the researchers constructed evolutionary trees using the Neighbor-Joining (NJ) and Minimum Evolution (ME) algorithms.
  • The diverse positioning of Debao ponies in various branches of the phylogenetic tree suggested a complex and multi-matrilineal origin for this breed.
  • The substantial genetic diversity also implied that the Debao pony descends from various matriarchal lines within its species, reinforcing the notion of its multi-matrilineal origins.

Cite This Article

APA
Jiang Q, Wei Y, Huang Y, Jiang H, Guo Y, Lan G, Liao J. (2010). The complete mitochondrial genome and phylogenetic analysis of the Debao pony (Equus caballus). Mol Biol Rep, 38(1), 593-599. https://doi.org/10.1007/s11033-010-0145-8

Publication

Molecular biology reports
ISSN: 1573-4978
NlmUniqueID: 0403234
Country: Netherlands
Language: English
Volume: 38
Issue: 1
Pages: 593-599

Researcher Affiliations

Jiang, Qinyang
  • College of Animal Science and Technology, Guangxi University, 530004 Nanning, Guangxi, People’s Republic of China.
Wei, Yingming
    Huang, Yanna
      Jiang, Hesheng
        Guo, Yafen
          Lan, Ganqiu
            Liao, Joshua

              MeSH Terms

              • Animals
              • Base Sequence
              • China
              • DNA, Mitochondrial / genetics
              • Female
              • Genetic Variation
              • Genome, Mitochondrial / genetics
              • Haplotypes / genetics
              • Horses / genetics
              • Male
              • Molecular Sequence Data
              • Phylogeny

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