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首页> 外文期刊>International Journal of Molecular Sciences >Phylogenetic Relationships of the Mangalitsa Swine Breed Inferred from Mitochondrial DNA Variation
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Phylogenetic Relationships of the Mangalitsa Swine Breed Inferred from Mitochondrial DNA Variation

机译：从线粒体DNA变异推断出的Mangalitsa猪品种的亲缘关系。

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摘要

The Mangalitsa pig, a swine breed belonging to the protected gene fund of original and primitive animal breeds of the FAO (Food and Agriculture Organization), has been known to inhabit Romanian territories since the 19th century. The aim of this study was to compare the Mangalitsa breed with several European and Asiatic swine breeds in order to emphasize its uniqueness and to elucidate its origin. For this purpose, we analyzed a 613 bp mitochondrial DNA D-loop fragment and 1140 bp of the cytochrome b gene in a population of Mangalitsa pigs and the polymorphic sites were compared with sequences from GenBank originating from other swine breeds. Taking into account the total of 24 breeds and 5 different Wild Boar populations analyzed, 86 polymorphic sites representing 32 haplotypes were observed, with an average percentage of polymorphic sites of 4.9%. Three Neighbor-Joining phylogenetic trees were constructed based on Kimura 2-parameter distances, using D-loop, cytochrome b and mitochondrial reunited sequences. For the analyzed Mangalitsa population, four distinct haplotypes were identified, including one that was common to other breeds. Our study suggests that the Mangalitsa swine originate from primitive breeds which might be directly derived from the Wild Boar.
机译：Mangalitsa猪是属于粮农组织（粮食及农业组织）原始和原始动物品种受保护基因基金的猪品种，自19世纪以来就已定居于罗马尼亚领土。这项研究的目的是将Mangalitsa品种与欧洲和亚洲的几种猪品种进行比较，以强调其独特性并阐明其起源。为此，我们分析了Mangalitsa猪群中613 bp的线粒体DNA D环片段和1140 bp的细胞色素b基因，并将其多态性位点与来自其他猪种的GenBank序列进行了比较。考虑到总共分析的24个品种和5个不同的野猪种群，观察到代表32个单倍型的86个多态位点，平均多态位点百分比为4.9％。基于木村2参数距离，使用D环，细胞色素b和线粒体重组序列，构建了3个相邻的系统发育树。对于分析的Mangalitsa种群，确定了四种不同的单倍型，其中一种是其他品种共有的。我们的研究表明，Mangalitsa猪起源于原始品种，可能直接来源于野猪。

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