中国5个家驴品种mtDNA Cytb基因遗传多样性及起源  

MtDNA Cytb Gene Genetic Diversity and Origin of Five Donkey Breeds in China

作　　者：张云生[1] 王小斌[1] 雷初朝[1] 邓婵娟[1] 陈宏[1,2] 

机构地区：[1]西北农林科技大学动物科技学院,陕西省农业分子生物学重点实验室,陕西杨凌712100 [2]徐州师范大学细胞与分子生物学研究所,江苏徐州221116

出　　处：《西北农业学报》2009年第6期9-11,38,共4页Acta Agriculturae Boreali-occidentalis Sinica

基　　金：教育部新世纪优秀人才支持计划(NCET-07-0699);西北农林科技大学科研专项(07ZR004)

摘　　要：对中国5个家驴品种89个个体mtDNA Cytb基因的全序列进行分析,共检测到26种单倍型30个多态位点,其单倍型多样度为0.722-0.826,核苷酸多样度为0.0042-0.0050,表明中国家驴的遗传多态性丰富。构建的NJ系统发育树表明,中国家驴有2个母系起源即索马里和努比亚支系。All 89 mtDNA Cytb gene sequences from five Chinese domestic donkey breeds were analyzed.The results revealed 26 different haplotypes with 30 variable sites.The haplotype diversity and the nucleotide diversity were 0.722～0.829 and 0.0042～0.0050,respectively,indicating high level of genetic diversity in Chinese domestic donkeys.The Neighbor-joining tree showed that Chinese domestic donkeys had two maternal origins including Somali and Nubian lineages.

关 键 词：中国家驴 MTDNA CYTB基因 遗传多样性 起源 

分 类 号：S822[农业科学—畜牧学]