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肉牛的数量性状基因座定位研究进展 被引量:1

Progress of study on mapping quantitative trait loci in beef cattle
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摘要 遗传图谱的发展为寻找和定位影响重要数量性状变异的基因提供了便利。迄今为止,育种学家已经在肉牛的1、2、5、6、14、15、17、18、19、21、23、27、和29号常染色体上发现了QTL的踪迹。候选基因的研分显示肌肉生长抑制素基因等可能就是生长和屠宰重性状的QTL,基困组统计定位则揭示最有可能的QTL区域在2、5、6、15、19、27、29号染色体上。进一步的定位仍需遗传学家、分子生物学家及育种学家的共同努力。 The rapid advance of the construchtion of genetic map facilitates the process of finding and mapping genes with significent effects on quantitative traitvariation.At present,the breeders tracked down Quantitative Trait Loci on the bovine autosomal chromosomes 1、 2、 5、 6 、14、 15 、17 、18、 19 、21、 23、 27 and 29.Candidate Selection Approach showed myostatin gene et al could be QTL with effects on growth and carcass weight,and the genomic mapping statistics revealed the most promising chromosomal segments that might harbor QTL were autosome 2 、5、 6、 15 、19 、27 、29.Further progress wiss require close cooperation among geneticists,molecular biologists and breeders.
出处 《生物信息学》 2005年第2期93-96,共4页 Chinese Journal of Bioinformatics
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