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通过散装分离剂分析,识别参与卜叶中安东素积累的调节基因

Quanming Pu¹, Shiyan Yang¹, Zihan He²

¹Nanchong Academy of Agricultural Sciences, Nanchong, 637000, Sichuan, China.

Scientific reports

|November 27, 2025

概括

卜叶的颜色是由核基因控制的,紫色是半主导的. 研究人员确定MYB114-like作为关键基因,调节卜中的安托西亚尼合成和叶子颜色.

科学领域:

植物生物学植物生物学
遗传学遗传学是一个
生物化学生物化学

背景情况:

安西是重要的植物颜料,参与着着色和防御.
虽然研究了根系安东素的积累,但大卜中的叶子机制不太了解.
卜叶的颜色有潜在的健康行业应用,由于安东素的属性.

研究的目的:

为了研究卜叶中安东素积累的遗传调节.
为了确定负责卜紫色叶色特征的基因.

主要方法:

从对比的纯线 (紫色与绿色叶子) 开发出多样化的卜种群 (F1,背十字,F2).
使用SNP-指数和Indel-指数分析的大量分离分析序列.
进行基因注释和定量逆转录聚合酶链反应 (qRT-PCR).

主要成果:

卜叶的颜色是由核基因控制的;紫色是半主导的.
染色体7上的200 kb区域被确定为含有39个基因的候选区域.
类似MYB114的基因在紫叶卜中表现出高特异性表达,并与氨酸合成有关.

结论:

类似MYB114的基因很可能是调节卜中安托西亚宁合成和叶子颜色的主要基因.
这项研究增强了对卜中安东氨酸合成调节网络的理解.
为培育具有所需叶子颜色的卜品种提供基础.

关键词:

像RsMYB114这样的RsMYB114 安托氨酸是一种安托氨酸.大量分离剂分析卜叶子叶子卜叶子遗传遗传的法律遗传遗传的法律

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相关概念视频

Law of Segregation

Law of Segregation

When crossing pea plants, Mendel noticed that one of the parental traits would sometimes disappear in the first generation of offspring, called the F1 generation, and could reappear in the next generation (F2). He concluded that one of the traits must be dominant over the other, thereby causing masking of one trait in the F1 generation. When he crossed the F1 plants, he found that 75% of the offspring in the F2 generation had the dominant phenotype, while 25% had the recessive phenotype.

Monohybrid Crosses

Monohybrid Crosses

Incomplete Dominance

Incomplete Dominance

Gregor Mendel's work (1822 - 1884) was primarily focused on pea plants. Through his initial experiments, he determined that every gene in a diploid cell has two variants called alleles inherited from each parent. He suggested that amongst these two alleles, one allele is dominant in character and the other recessive. The combination of alleles determines the phenotype of a gene in an organism.