Genetic diversity and phylogenetic relationships of Romanian cattle breeds inferred from cytochrome b gene partial sequences

被引：0
|
作者：
Xuan, Thieu Phan [1 ]
Georgescu, S. E. [1 ]
Manea, Maria Adina [1 ]
Hermenean, Anca Oana [2 ]
Costache, Marieta [1 ]
机构：
[1] Univ Bucharest, Ctr Mol Biol, Bucharest, Romania
[2] Vasile Goldis Western Univ Arad, Arad, Romania
来源：
ROMANIAN BIOTECHNOLOGICAL LETTERS | 2010年 / 15卷 / 02期
关键词：
Cattle breeds; Cytochrome b gene; Genetic diversity; Phylogeny;
D O I：
暂无
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
To determine the origin and genetic diversity of Romanian cattle breeds: Romanian Grey Steppe, Romanian Black Spotted, Romanian Brown and Montbeliarde, the partial Cyt b gene sequences (610bp) were analyzed. The average nucleotide frequencies of T, C, A and G were 27.3, 27.6, 30.9 and 14.2%, respectively. The nucleotide composition is rich in A/T nucleotides and shows a slightly higher A/T content (58.2%) than C/G content (41.8%). The nucleotide comparison also demonstrated a strong bias towards transition. A Neighbor-Joining tree was constructed and it revealed that the Romanian cattle breeds originated from Bos taurus and had no direct relationship with Bos indicus, Bos grunniens and Bos javanicus.
引用
收藏
页码：5154 / 5158
页数：5
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