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马来西亚马来西亚和中国人群中12个X-STRs位点的种群数据
Aedrianee Reeza Alwi1,2, Naji Arafat Mahat3,4,5,6, Faezah Mohd Salleh1,4
1Department of Biosciences, Faculty of Science, Universiti Teknologi Malaysia (UTM), 81310 Johor Bahru, Johor, Malaysia.
Heliyon
|October 11, 2024
概括
在马来西亚,X染色体短串重复 (X-STR) 对人类鉴定有价值. 这项研究为马来人和中国人群提供了关键的法医统计数据,增强了他们在复杂的亲属关系案件中的使用.
科学领域:
- 法医遗传学 法医遗传学
- 人口遗传学 人口遗传学
- 人类识别 人类识别
背景情况:
- X染色体短串重复 (X-STRs) 越来越多地用于人类识别,特别是在复杂的亲属分析中.
- 法医统计参数是特定于人群的,需要局部化数据来准确解释.
- 半岛马来西亚的X-STR人口数据有限,这阻碍了其法医应用.
研究的目的:
- 确定半岛马来西亚马来人和中国人群中12个X-STR位点的法医统计参数.
- 评估这些X-STRs在该地区的人类识别和亲属关系分析中的实用性.
- 评估研究种群相对于其他东南亚群体的生物地理分布.
主要方法:
- 使用Qiagen Investigator® Argus X-12套件对12个X-STR位点进行基因定型.
- 对等位基频率的分析和法医统计参数的计算 (例如,区分能力,平均排除机会).
- 遗传学分析包括遗传距离,邻近连接树和主要成分分析.
主要成果:
- DXS10135被确定为最多态的位置.
- 在马来人和中国人群中报告的高组合歧视力和平均排斥机会值 (等位基和单位基频率).
- 遗传学分析表明,与其他东南亚人口有密切的生物地理关系.
结论:
- 这12个X-STR标志物具有高度的信息性,适用于马来半岛马来西亚的马来人和中国人群的法医人类识别.
- 生成的法医统计数据显著提高了X-STR在马来西亚案例工作中的证据价值.
- 这些发现支持X-STR分析在东南亚的法医遗传学中的更广泛应用.
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