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Constructing a draft Indian cattle pangenome using short-read sequencing

delete2025-04-13
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OA
AI
S
Sarwar Azam
A
Abhisek Sahu
N
Naveen Kumar Pandey
M
Mahesh Neupane
C
Curtis P. Van Tassell
B
Benjamin D. Rosen *
R
Ravi Kumar Gandham
S
Subha Narayan Rath
S
Subeer S. Majumdar *
DOI:10.1038/s42003-025-07978-0delete
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摘要

摘要

En 中文
印度本地牛(desi cattle),以其适应性和表型多样性而闻名,代表了宝贵的遗传资源。然而,单一参考基因组往往无法全面捕捉其遗传变异。为解决这一问题,我们通过鉴定和表征非参考新序列(NRNS)构建了本地牛泛基因组。我们测序了来自7个品种的68个基因组,生成了483.5亿条短读序列。利用泛基因组分析(PanGA)流程,我们鉴定出13,065个NRNS(约4100万个碱基对),并在群体中观察到显著变异。大多数NRNS为本地牛特有,与中国瘤牛泛基因组的重叠极少(4.1%)。约40%的NRNS在牛属(Bos)中具有祖先起源,且富集于基因区域,提示其具有功能作用。这些序列与影响产奶量等性状的数量性状位点相关。泛基因组方法提高了读序列比对精度,减少了假阳性单核苷酸多态性(SNP)的检出,并发现了新的遗传变异,从而加深了对本地牛基因组学的理解。

期刊

Communications Biology 封面图
Communications Biology
IF:
5.1
论文数:
1.1W
被引数:
3.2W

机构

U
USDA ARS
学者数:
0
论文数: 1
被引数: 0
I
Indian Inst Technol Hyderabad
学者数:
256
论文数: 122
被引数: 23
N
natl inst anim biotechnol
学者数:
18
论文数: 6
被引数: 1
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