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Y haplogroup diversity of the Dominican Republic: reconstructing the effect of the European colonisation and the trans-Atlantic slave trades.
Genome Biology and Evolution ( IF 3.3 ) Pub Date : 2020-08-24 , DOI: 10.1093/gbe/evaa176
Eugenia D'Atanasio 1, 2 , Flavia Trionfetti 2 , Maria Bonito 2 , Daniele Sellitto 1 , Alfredo Coppa 3, 4, 5 , Andrea Berti 6 , Beniamino Trombetta 2 , Fulvio Cruciani 1, 2, 7
Affiliation  

The Dominican Republic is one of the two countries on the Hispaniola island, which is part of the Antilles. Hispaniola was interested by the European colonisation and massive deportation of African slaves since the XVI century and these events heavily shaped the genetic composition of the present-day population. In order to shed light about the effect of the European rules, we analysed 92 SNPs on the Y chromosome in 182 Dominican individuals from three different locations. The Dominican Y haplogroup composition was characterised by an excess of northern African/European lineages (59%), followed by the African clades (38%), while the Native-American lineages were rare (3%). The comparison with the mtDNA variability, dominated by African clades, revealed a sex-biased admixture pattern, in line with the colonial society dominated by European men. When other Caribbean and non-Caribbean former colonies were also considered, we noted a difference between territories under a Spanish rule (like the Dominican Republic) and British/French rule, with the former characterised by an excess of European Y lineages reflecting the more permissive Iberian legislation about mixed people and slavery. Finally, we analysed the distribution in Africa of the Dominican lineages with a putative African origin, mainly focusing on central and western Africa, which were the main sources of African slaves. We found that most (83%) of the African lineages observed in Santo Domingo have a central African ancestry, suggesting that most of the slaves were deported from regions

中文翻译:

多米尼加共和国的单倍族多样性:重建欧洲殖民和跨大西洋奴隶贸易的影响。

多米尼加共和国是安的列斯群岛一部分的拉帕尼奥拉岛上的两个国家之一。自十六世纪以来,西班牙裔对欧洲殖民和非洲奴隶的大规模驱逐感兴趣,这些事件极大地影响了当今人口的遗传构成。为了阐明欧洲规则的影响,我们分析了来自三个不同地点的182个多米尼加人的Y染色体上的92个SNP。多米尼加Y单倍群组成的特征是北非/欧洲血统过多(59%),其次是非洲进化枝(38%),而美洲原住民血统很少(3%)。与非洲进化支配的mtDNA变异性的比较显示,性别偏向的混合模式与欧洲男性主导的殖民社会相符。当还考虑其他加勒比海地区和非加勒比海地区以前的殖民地时,我们注意到西班牙统治(例如多米尼加共和国)和英国/法国统治下的领土之间存在差异,前者的特点是欧洲Y谱系过多,这反映了更多的宽容伊比利亚关于混合人与奴隶制的立法。最后,我们分析了具有公认的非洲血统的多米尼加血统在非洲的分布,主要集中在中部和西部非洲,这是非洲奴隶的主要来源。我们发现,在圣多明各观察到的大多数非洲血统(83%)都有非洲中部血统,这表明大多数奴隶被驱逐出该地区 我们注意到西班牙统治下的领土(如多米尼加共和国)与英法统治下的领土之间的差异,前者的特点是欧洲Y谱系过多,反映了伊比利亚关于混合人与奴隶制的更宽松的立法。最后,我们分析了具有公认的非洲血统的多米尼加血统在非洲的分布,主要集中在中部和西部非洲,这是非洲奴隶的主要来源。我们发现,在圣多明各观察到的大多数非洲血统(83%)都有非洲中部血统,这表明大多数奴隶被驱逐出该地区 我们注意到西班牙统治下的领土(如多米尼加共和国)与英法统治下的领土之间的差异,前者的特点是欧洲Y谱系过多,反映了伊比利亚关于混合人与奴隶制的更宽松的立法。最后,我们分析了具有公认的非洲血统的多米尼加血统在非洲的分布,主要集中在中部和西部非洲,这是非洲奴隶的主要来源。我们发现,在圣多明各观察到的大多数非洲血统(83%)都有非洲中部血统,这表明大多数奴隶被驱逐出该地区 我们分析了具有公认的非洲血统的多米尼加血统在非洲的分布,主要集中在中部和西部非洲,这是非洲奴隶的主要来源。我们发现,在圣多明各观察到的大多数非洲血统(83%)都有非洲中部血统,这表明大多数奴隶被驱逐出该地区 我们分析了具有公认的非洲血统的多米尼加血统在非洲的分布,主要集中在中部和西部非洲,这是非洲奴隶的主要来源。我们发现,在圣多明各观察到的大多数非洲血统(83%)都有非洲中部血统,这表明大多数奴隶被驱逐出该地区
更新日期:2020-08-25
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