Mendel’s pea traits pinned down

IF 31.7 1区 生物学 Q1 GENETICS & HEREDITY
Kyle Vogan
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引用次数: 0
孟德尔的豌豆特性被证实了
孟德尔对豌豆遗传的经典研究集中在7对形态性状的对比上。其中4个性状已被分子鉴定,但荚果形状、荚果颜色和结扎性状变异的遗传基础尚未完全确定。为了解决这些问题并促进育种群体的基因组资源,Feng等人对697种Pisum进行了测序,构建了基因组变异图,收集了孟德尔7个性状对的表型数据,并在种群定位和功能研究中进行了遗传关联分析,结合连锁分析,以确定每个性状的因果变异。对于豆荚颜色性状,他们发现所有黄色豆荚系都有一个100kb的缺失,该缺失与编码叶绿素合酶的基因相邻,导致异常拼接融合转录本。对于束接性状,他们将致病变异解决为一个编码细胞膜定位受体样激酶的基因的5bp缺失,该激酶可能在调节分生系统稳态的保守途径中起作用。他们还定位了豆荚形性状背后的因果变异。总的来说,这项工作为孟德尔的经典研究提供了新的见解,并为绘制其他关键农艺性状的变异提供了宝贵的资源。原始参考文献:Nature https://doi.org/10.1038/s41586-025-08891-6 (2025)
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Nature genetics
Nature genetics 生物-遗传学
CiteScore
43.00
自引率
2.60%
发文量
241
审稿时长
3 months
期刊介绍: Nature Genetics publishes the very highest quality research in genetics. It encompasses genetic and functional genomic studies on human and plant traits and on other model organisms. Current emphasis is on the genetic basis for common and complex diseases and on the functional mechanism, architecture and evolution of gene networks, studied by experimental perturbation. Integrative genetic topics comprise, but are not limited to: -Genes in the pathology of human disease -Molecular analysis of simple and complex genetic traits -Cancer genetics -Agricultural genomics -Developmental genetics -Regulatory variation in gene expression -Strategies and technologies for extracting function from genomic data -Pharmacological genomics -Genome evolution
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