一个贝叶斯优化R包用于多特征父选择
Bartolo de J Villar-Hernández1,2, Susanne Dreisigacker1, Leo Crespo1
1International Maize and Wheat Improvement Center (CIMMYT), Estado de México, México.
The plant genome
|February 22, 2024
概括
多特征亲属选择 (MPS) R套餐帮助植物育种者选择改善作物特征的亲属. 这种工具增强了基因改进和精确育种,即使具有复杂的特征相关性和缺失的数据.
科学领域:
- 植物育种 植物育种
- 遗传学 遗传学 是一个
- 生物信息学是一种生物信息学.
背景情况:
- 选择父母对于作物改进至关重要,尤其是在同时考虑多个特征时.
- 挑战来自负相关的特征和缺失的数据,使传统的选择方法复杂化.
研究的目的:
- 引入多合法的家长选择 (MPS) R包,以实现高效的多合法的家长选择.
- 为基因改进,精密育种和保护遗传学提供一个工具.
主要方法:
- 该MPS R包使用贝叶斯优化算法.
- 它包含了三个不同的损失函数:Kullback-Leibler,能量得分和多变量不对称损失.
- 该软件包为各种数据可用性场景提供了三个功能 (EvalMPS,FastMPS,ApproxMPS).
主要成果:
- 该MPS R包有效地识别了具有可取的多种特征的家长候选人.
- 应用示例证明了其在多特征基因组选择中的有效性.
- 该工具可以为育种者提供明智的决策.
结论:
- 在植物育种中,MPS R包是多特征基因组选择的宝贵工具.
- 它有助于在多个特征中实现强的表现,提高作物的经济价值.
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