An Overview of Ten Italian Horse Breeds through Mitochondrial DNA

Cardinali, Irene; Lancioni, Hovirag; Giontella, Andrea; Capodiferro, Marco Rosario; Capomaccio, Stefano; Buttazzoni, L.; Biggio, Giovanni Paolo; Cherchi, Raffaele; Albertini, Emidio; Olivieri, Anna; Cappelli, Katia; Achilli, Alessandro; Silvestrelli, Maurizio

doi:10.1371/journal.pone.0153004

Cited by 38 publications

(55 citation statements)

References 46 publications

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“…In consideration of the high diversity of D-loop region, these results can only show a tendency of haplogroup distribution in regions or breeds. Significant geographical separation or breeding effects on the haplogroup structure can only be detected in exceptional cases like breed isolation, limited number of founders as well as extremely rare haplotypes (Cardinali et al, 2016;McGahern et al, 2006a,b). The lack of such specific haplotypes and the wide variability in Kabardian horses precludes a classification into a region or a group of breeds.…”

Section: Phylogenetic Analysismentioning

confidence: 99%

“…The lack of such specific haplotypes and the wide variability in Kabardian horses precludes a classification into a region or a group of breeds. But the very high mitochondrial haplotype diversity in horses is a well-known fact (Cardinali et al, 2016;Gemingguli et al, 2016). Multiple, widespread and repeated domestication of diverse founder mares as well as mixed origin of most breeds are considered as likely causes for this phenomenon (Cozzi et al, 2004;McGahern et al, 2006a;Lei et al, 2009).…”

Section: Phylogenetic Analysismentioning

confidence: 99%

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Genetic analysis of maternal and paternal lineages in Kabardian horses by uniparental molecular markers

Khaudov¹,

Duduev²,

Kokov³

et al. 2018

Open Vet J.

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Studies of mitochondrial DNA (mtDNA) as well as the non-recombining part of the Y chromosome help to understand the origin and distribution of maternal and paternal lineages. The Kabardian horse from Northern Caucasia which is well-known for strength, stamina and endurance in distance riding has a large gap in its breeding documentation especially in the recent past. A 309 bp fragment of the mitochondrial D-loop (156 Kabardian horses) and six mutations in Y chromosome (49 Kabardian stallions), respectively, were analyzed to get a better insight into breeding history, phylogenetic relationship to related breeds, maternal and paternal diversity and genetic structure. We found a high mitochondrial diversity represented by 64 D-loop haplotypes out of 14 haplogroups. The most frequent haplogroups were G (19.5%), L (12.3%), Q (11.7%), and B (11.0%). Although these four haplogroups are also frequently found in Asian riding horses (e.g. Buryat, Kirghiz, Mongolian, Transbaikalian, Tuvinian) the percentage of the particular haplogroups varies sometimes remarkable. In contrast, the obtained haplogroup pattern from Kabardian horse was more similar to that of breeds reared in the Middle East. No specific haplotype cluster was observed in the phylogenetic tree for Kabardian horses. On Kabardian Y chromosome, two mutations were found leading to three haplotypes with a percentage of 36.7% (haplotype HT1), 38.8% (haplotype HT2) and 24.5% (haplotype HT3), respectively. The high mitochondrial and also remarkable paternal diversity of the Kabardian horse is caused by its long history with a widely spread maternal origin and the introduction of Arabian as well as Thoroughbred influenced stallions for improvement. This high genetic diversity provides a good situation for the ongoing breed development and performance selection as well as avoiding inbreeding.

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Section: Phylogenetic Analysismentioning

confidence: 99%

Section: Phylogenetic Analysismentioning

confidence: 99%

Genetic analysis of maternal and paternal lineages in Kabardian horses by uniparental molecular markers

Khaudov¹,

Duduev²,

Kokov³

et al. 2018

Open Vet J.

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“…Conducted studies have shown that most of the dam families of the domestic population of thoroughbred horse breed belong to haplogroups I (4,11,13) or L (3,4,5,6,10,16,17,27), which is clearly demonstrated by the dendrogram in Figure 1. The largest family in the world ranking such as 1 Tregonwell`s Natural Barb Mare family was represented by 6 mares of three different branches in our study.…”

Section: Resultsmentioning

confidence: 91%

“…A comparative analysis of mitochondrial DNA in different populations and horse breeds of Europe and Asia and the phylogenetic reconstruction made on its basis showed the presence of complex variability of mitochondrial haplogroups [3][4][5][6] in horses. This was not observed in other domesticated species.…”

Section: Introductionmentioning

confidence: 99%

MtDNA Haplotype Analysis in Dam Families of the Thoroughbred Riding Horses

Храброва¹,

Зайцев²,

Vikulova³

et al. 2020

Modern Trends in Agricultural Production in the World Economy

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The high level of diversity of the genetic structure of mitochondrial DNA and inheritance through the maternal line make it a unique object for studying evolutionary processes, phylogenetic relationships and assessing population diversity. 64 thoroughbred horse mares were selected from 20 main dam families and the most promising branches for analysis of the non-coding region of the mtDNA D-loop. Primers for amplification of the mtDNA D-loop region were selected taking into account the reference sequence of the fossil Swedish horse X79547. GeneBank data was used for 17 haplogroups located under the access number (n = 83): JN398377-JN398457, EF597513-EF597514 for identifying the obtained nucleotide sequences. The 530 mtDNA D-loop region analysis was performed using the MEGA4 program. 23 haplotypes corresponding to 8 haplogroups A, B, G, H, I, L, M and N according to the classification of Achilli et al. (2012) were identified in the process of studying the polymorphism of the hypervariable region of the mtDNA D-loop in dam families of thoroughbred horse breed. Among mares from 20 dam families 16 were identified as belonging to only one haplogroup. 2 haplogroups were identified in 4 dam families of this breed (4,5,9, 19) due mainly to transitions at different breeding periods of thoroughbred riding horses. The genetic analysis of the mitochondrial genome of the main dam lines of thoroughbred horse breed indicates a rather high level of diversity of mtDNA haplotypes and a clear differentiation of female families in the domestic population of this breed..

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“…Recently, Y chromosome (for paternal history) and the mitochondrial DNA (mtDNA) (for maternal history) were used in the evolutionary, phylogeographic and genetic diversity studies [9][10][11][12][13] . In a study conducted in the United States, mtDNA sequence analyses were found to be useful in eliminating doubts about the origin of horses, other than biological characteristics, and they may also be used in solving problems based on traditional assumptions about Arabian horses with a close common ancestry [14] .…”

Section: Introductionmentioning

confidence: 99%

Türkiye’deki Alaca Atların mtDNA D-Loop Dizi Analizi İle Genetik Yapılarının Araştırılması

Köseman¹,

Özşensoy²,

Erdoğan³

et al. 2019

Kafkas Univ Vet Fak Derg

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The aim of this study was to determine the genetic structure of Coloured horses in Turkey by analysis of the D-loop sequence of mitochondrial DNA (mtDNA). A total of 28 Coloured horses were examined. DNA was extracted from blood samples using DNA isolation kit; 519 bp long mtDNA D-loop region was amplified by PCR and sequenced by capillary electrophoresis system. Population parameters and phylogenetic trees were drawn by using MEGA4 software package. It was also compared with the DNA sequences of horse populations from different countries. In this study, 42 different polymorphism regions and 10 different haplogroups were detected. Additionaly, Tajima D value was found to be-0.31 and population expansion was determined. It was determined that the base differences among the horses ranged between 0.000 and 0.032. It was detected that the horses formed different clusters from each other and they were intertwined with the populations of different countries. Moreover, it was also observed that some horses formed their own populations at different points from the other countries' horses. As a result, it was observed that the genetic structures of horses which used in population were different from each other and they originated from different mothers. According to the results obtained, it is considered that Coloured horses can be a native horse breed of Turkey.

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An Overview of Ten Italian Horse Breeds through Mitochondrial DNA

Cited by 38 publications

References 46 publications

Genetic analysis of maternal and paternal lineages in Kabardian horses by uniparental molecular markers

Genetic analysis of maternal and paternal lineages in Kabardian horses by uniparental molecular markers

MtDNA Haplotype Analysis in Dam Families of the Thoroughbred Riding Horses

Türkiye’deki Alaca Atların mtDNA D-Loop Dizi Analizi İle Genetik Yapılarının Araştırılması

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