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构建体外动物基因组学工具:PK15细胞系内的染色体变异

M Johnsson¹, J M Hickey², M K Jungnickel³

¹Department of Animal Breeding and Genetics, Swedish University of Agricultural Sciences, Box 7023, 750 07, Uppsala, Sweden. martin.johnsson@slu.se.

|January 10, 2024

概括

培养的猪上皮细胞 (PK15) 细胞系表现出积体和结构变异,影响了它们在基因组研究中的使用. 对此类基因组变化的查对于可靠的牲畜基因组学研究至关重要.

科学领域:

基因组学就是基因组学.
细胞生物学细胞生物学
畜牧科学畜牧科学畜牧科学

背景情况:

培养猪细胞系对于功能基因组学和体外表型检测至关重要.
精确的基因组序列和结构是细胞系中基因组或变异质疑试验的先决条件.
研究了不朽的猪上皮细胞 (PK15) 细胞系和猪胚胎纤维细胞系.

研究的目的:

在培养的猪细胞系中检测潜在的体积.
评估PK15细胞系和猪胚胎纤维细胞系的基因组完整性.
评估细胞系穿越史对基因组结构的影响.

主要方法:

在选定的细胞系上进行了变异调用.
阅读覆盖范围和样本内的等位基因频率进行了分析,以检测形积分.
进行了新的ATCC PK15样本和较旧,经过广泛传递的PK15样本之间的比较.

主要成果:

两种PK15细胞系都表现出形状,包括4号染色体的潜在三体和17号染色体的四体.
较旧的PK15系表现出额外的结构变异和潜在的克隆变异.
猪胚胎纤维细胞系没有表现出粗瘤,与PK15系不同.

结论:

研究的PK15细胞系具有体和复杂的结构变异.
建议在细胞系中查肺积分,以进行准确的基因组分析.
这些发现对利用细胞系的牲畜基因组学研究的可靠性有影响.

关键词:

形积分症 (Aneuploidy) 是一个细胞系细胞系细胞系在PK15中,PK15是PK15.猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪

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