首页|Genetic diversity and differentiation of four goat lineages based on analysis of complete mtDNA d-loop

Genetic diversity and differentiation of four goat lineages based on analysis of complete mtDNA d-loop

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The complete sequences of mtDNA D-loops from 362 individuals were analyzed in order to investigate the genetic diversity and differentiation of their lineages. The results indicated that all of the analyzed sequences were differentiated into four clear lineages (A, B, C, and D). Lineages C and D might originate from Lineages B and A, respectively. The genetic diversity of complete mtDNA D-loop of four lineages was very abundant. The 76 bp insertion and the 17 bp deletion were detected in the longest and the shortest sequences, respectively. The 76 bp insertion was a repeat like motif found in many other animals. Lineages C and D were differentiated into two subclades (C1 and C2) and (DI and D2), respectively. Lineage C might originate from Asia, and Lineage D might originate from Fertile Crescent.

goatmtDNA D-looplineagesorigindifferentiation

Jingfen KANG、Xianglong LI、Rongyan ZHOU、Lanhui LI、Guiru ZHENG、Hongyuan ZHAO

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College of Animal Science, Agricultural University of Hebei, Baoding 071001, China

subproject of Breeding System Establishment Production in Scale of Dairy Cow with High Performance:Breeding System Establish

2006BAD04A10-06

2011

中国农学前沿
高等教育出版社

中国农学前沿

ISSN:1673-7334
年,卷(期):2011.5(1)
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