基于线粒体DNA分析对波兰阿拉伯马系谱的新见解。
A new view on dam lines in Polish Arabian horses based on mtDNA analysis.
作者信息
Głazewska Iwona, Wysocka Anna, Gralak Barbara, Sell Jerzy
机构信息
Department of Genetics and Cytology, University of Gdańsk, Kładki 24, 80-822 Gdańsk, Poland.
出版信息
Genet Sel Evol. 2007 Sep-Oct;39(5):609-19. doi: 10.1186/1297-9686-39-5-609. Epub 2007 Sep 27.
Polish Arabian horses are one of the oldest and the most important Arab populations in the world. The Polish Arabian Stud Book and the Genealogical Charts by Skorkowski are the main sources of information on the ancestors of Polish Arabs. Both publications were viewed as credible sources of information until the 1990s when the data regarding one of the dam lines was questioned. The aim of the current study was to check the accuracy of the pedigree data of Polish dam lines using mtDNA analysis. The analyses of a 458 bp mtDNA D-loop fragment from representatives of 15 Polish Arabian dam lines revealed 14 distinct haplotypes. The results were inconsistent with pedigree data in the case of two lines. A detailed analysis of the historical sources was performed to explain these discrepancies. Our study revealed that representatives of different lines shared the same haplotypes. We also noted a genetic identity between some lines founded by Polish mares of unknown origin and lines established by desert-bred mares.
波兰阿拉伯马是世界上最古老且最重要的阿拉伯马种群之一。波兰阿拉伯马种系谱及斯科尔科夫斯基的族谱是有关波兰阿拉伯马祖先信息的主要来源。直到20世纪90年代，当其中一个母系血统的数据受到质疑之前，这两份出版物都被视为可靠的信息来源。本研究的目的是通过线粒体DNA分析来检验波兰母系血统系谱数据的准确性。对15个波兰阿拉伯马母系血统代表的458bp线粒体DNA D环片段进行分析，发现了14种不同的单倍型。在两个血统的情况下，结果与系谱数据不一致。为了解释这些差异，对历史资料进行了详细分析。我们的研究表明，不同血统的代表共享相同的单倍型。我们还注意到，一些由出身不明的波兰母马建立的血统与由沙漠繁育的母马建立的血统之间存在基因一致性。
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