分子进化与基因组多样性（张亚平）知识库

为了解云南保山猪(Baoshan pig)的遗传多样性及其遗传背景，我们测定了19个个体线粒体DNA Dloop高变区1 1 5 363 - 1 5 801片段序列438帅。检测到1。种单倍型，包括8个多态位点，其中5次T/ C转换、1次G/ A转换、1次G/ C颠换和1次A/ T颠换，其A.T.GX碱基的平均含量分别为35.4%.26.9%.13.2%和24.5 %,A+ T含量(62 .3)明显高于G+ C含量(37 .7 %)。对于保山猪的保种及其持续利用有着重要的理论指导意义。

To investigate the genetic diversity and genetic data of Baoshan pig in Yunnan province ,the mitochondrial DNA D 2 loop hypervariable segment I sequences 15 363 ～ 15 801 (438 bp) in 19 individualsof Baoshan pig were sequenced. Ten mitochondrial haplotypes were identified in the samples ,with 8 sites showing polymorphism ,which were 5 T/ C and 1 G/ A transitions ,1 G/ C and 1 A/ T transversions. The contentsof A ,T ,Gand C were 35. 4 % ,26 1 9 % ,13. 2 % and 24. 5 % , respectively. The content of A + T (62. 3 %) was significantly higher than that of G+ C (37. 3 %) . It will be of impor 2 tance to conservation and sustainable utilization in Baoshan pig.