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通过二代测序技术开发25个小熊猫的微卫星位点
Twenty-Five Microsatellite Loci of Ailurus fulgens Identified by Genome Survey
杨艾琳1,2, 谢军金1, 沈富军1, 张文平1, 侯蓉1, 张志和1, 张亮1*
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DOI:10.11984/j.issn.1000-7083.20180182
作者单位:1. 四川省濒危野生动物保护生物学重点实验室, 成都大熊猫繁育研究基地, 成都 610081;
2. 北京师范大学, 北京 100875
中文关键字:小熊猫;微卫星位点;种群分析
英文关键字:Ailurus fulgens; microsatellite locus; population analysis
中文摘要:采用Roche 454基因组测序平台在小熊猫Ailurus fulgens的基因组中进行测序拼装,得到了大量含有微卫星片段的序列。本文选择了其中467条序列设计引物,筛选出了115个微卫星位点,最终选出25个微卫星位点,重复单元包含TAT、GATA、AAACA、AAAACA等,并应用到42只小熊猫个体上进行了分型。观察到的等位基因数为3~10;观察杂合度和期望杂合度分别为0.143~0.929和0.136~0.869;多态信息含量为0.128~0.843,经检测所有位点均未偏离哈迪-温伯格平衡。这些微卫星位点可应用于小熊猫圈养种群的遗传管理,在未来还可进一步作为小熊猫的种群遗传学等研究的有力工具。
英文摘要:We developed 467 microsatellite loci from a microsatellite-enriched database for red panda (Ailurus fulgens) using the Roche 454 Genome Sequencer Platform. From this database, we isolated and characterized 115 microsatellite loci and chose 25 to genotype in 42 red pandas, with repeat motifs like TAT, GATA, AAACA, AAAACA and so on. The number of observed alleles ranged from 3 to 10. Observed and expected heterozygosities ranged from 0.143 to 0.929 and from 0.136 to 0.869, respectively. The mean polymorphic information content was 0.128-0.843, and the loci were not deviated from expectation of the Hardy-Weinberg equilibrium. We recommend that these markers be used in the systematic control of genetic management for A. fulgens. These markers could also be used as powerful tools applying in the population genetic research of A. fulgens in the future.
2019,38(1): 56-61 收稿日期:2018-06-11
分类号:Q959.838;R318.04
基金项目:科技部国家重点技术研发计划项目(2012BAC01B06);成都市科技管理局项目(12GGYB647SF-002);成都市建设管理委员会研究基金项目;成都市大熊猫繁育研究基金会项目(CPF2017-14)
作者简介:杨艾琳(1989—),博士,研究方向为种群遗传学,E-mail:a285919701@163.com
*通信作者:张亮,E-mail:lianne@panda.org.cn
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