相关实验视频

Updated: Jun 20, 2025

RNAi-mediated Control of Aflatoxins in Peanut: Method to Analyze Mycotoxin Production and Transgene Expression in the Peanut/Aspergillus Pathosystem

RNAi-mediated Control of Aflatoxins in Peanut: Method to Analyze Mycotoxin Production and Transgene Expression in the Peanut/Aspergillus Pathosystem

Published on: December 21, 2015

基于RIL人口映射的基础上,确定了花生中主要的QTL基础糖含量

Feifei Wang¹, Huarong Miao¹, Shengzhong Zhang¹

¹Shandong Peanut Research Institute, Qingdao, China.

Frontiers in plant science

|July 19, 2024

概括

研究人员确定了一个主要的遗传区域,控制花生种子中的糖含量,这对于改善味道至关重要. 这一发现有助于通过基于地图的克隆来培育具有可取甜度的花生.

科学领域:

农业科学农业科学
遗传学遗传学是一种遗传学.
植物育种植物育种

背景情况:

花生种子中的高糖含量是增强花生味道的关键目标.
了解糖累积的遗传基础对于育种计划至关重要.

研究的目的:

探索花生核中的糖累积的遗传控制.
为了确定与糖含量相关的定量特征位点 (QTLs).

主要方法:

从Luhua11 × 06B16的交叉种群中开发出256个重组杂交系 (F2:6-7) 的种群.
高分辨率的基因映射使用来自全基因组重新测序的3692个 bin标记进行.
在多个环境中进行了定量特征位置 (QTL) 分析.

主要成果:

一个主要的,稳定的QTL区域,qSCB09/qSSCB09,被确定在链接组B09.
这种QTL显著影响了糖含量 (SC) 和可溶糖含量 (SSC),解释了21.51-33.58%的表型变化.
在染色体B09上,QTL区域被物理地映射到1.56Mb间隔,并确定了6个候选基因.

结论:

确切地指出了一种重要的基因位点,控制了花生种子中的糖含量.
这一发现为基于地图的克隆负责糖累积的基因提供了基础.
这些结果对于改善味道的花生育种中的标记辅助选择非常有价值.

关键词:

在 QTL 时段,你会得到 QTL.花生花生花生花生花生溶性糖是可以溶解的糖.糖糖是什么糖糖是什么糖糖是什么整个基因组重新排序.

更多相关视频

QTL Mapping and CRISPR/Cas9 Editing to Identify a Drug Resistance Gene in Toxoplasma gondii

QTL Mapping and CRISPR/Cas9 Editing to Identify a Drug Resistance Gene in Toxoplasma gondii

Published on: June 22, 2017

Quantifying Plant Soluble Protein and Digestible Carbohydrate Content, Using Corn Zea mays As an Exemplar

Quantifying Plant Soluble Protein and Digestible Carbohydrate Content, Using Corn Zea mays As an Exemplar

Published on: August 6, 2018

相关概念视频

Trihybrid Crosses

Trihybrid Crosses

Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal...

Monohybrid Crosses

Monohybrid Crosses

Dihybrid Crosses

Dihybrid Crosses

Light Acquisition

Light Acquisition

In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.