昆 (Chenopodium quinoa Willd.) 的叶子和树枝的顶点是昆 (Chenopodium quinoa Willd.) 的水系转录. 作为对光周期和植物发展的反应
Nathaly Maldonado-Taipe1, Elodie Rey2, Mark Tester2
1Plant Breeding Institute, Christian-Albrechts-University of Kiel, Kiel, Germany.
Plant, cell & environment
|February 23, 2024
概括
研究人员通过分析不同条件下的基因表达来研究花的开花时间. 他们发现了关键的基因参与了花过渡,帮助作物适应和繁殖的各种环境.
科学领域:
- 植物生物学 植物生物学
- 遗传学 是一个遗传学.
- 农作物科学 农作物科学
背景情况:
- 调节开花时间对于作物适应各种环境至关重要.
- 昆 (Chenopodium quinoa) 是一种重要的伪谷物作物,具有不同的光周期灵敏度.
研究的目的:
- 为了研究昆花的开花时间的遗传调节.
- 为了确定候选基因控制花过渡响应光周期和发展.
主要方法:
- 花的转变时间的组织学分析.
- 对叶子和树枝上角美里系统组织的转录组分析.
- 在不同的光照条件下进行差异基因表达分析.
- 同表达网络分析以确定新型的转录和生物过程.
主要成果:
- 昆的花过渡开始于播种后2-3周.
- 确定了四个基因表达组:光周期反应 (222个基因),长日 (1812个基因) 下的加入特异性,短日 (57个基因) 下的发育反应和花过渡反应 (911个基因).
- 鉴定了假定的FT正义基因和其他已知的开花时间基因 (SOC1, COL, AP1) 作为关键调节者.
结论:
- 已识别的候选基因可以在子育种计划中使用.
- 整合这些基因的有益单元类型可以开发适应各种环境条件的品种.
- 这项研究提供了有价值的遗传见解,可以提高麦的适应性和产量.
更多相关视频
06:46Confocal Live Imaging of Shoot Apical Meristems from Different Plant Species
Published on: March 29, 2019
12.3K
06:11Author Spotlight: Improved Methods for Preparing Transverse Sections and Unrolled Whole Mounts of Maize Leaf Primordia for Fluorescence and Confocal Imaging
Published on: September 22, 2023
2.9K
相关概念视频
03:02Primary and Secondary Growth in Roots and Shoots
57.2K
Vascular plants, which account for over 90% of the Earth’s vegetation, all undergo primary growth—which lengthens roots and shoots. Many land plants, notably woody plants, also undergo secondary growth—which thickens roots and shoots.
57.2K
02:00Photoreceptors and Plant Responses to Light
20.3K
Light plays a significant role in regulating the growth and development of plants. In addition to providing energy for photosynthesis, light provides other important cues to regulate a range of developmental and physiological responses in plants.
20.3K
02:16Light Acquisition
8.5K
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.
8.5K
01:10Transcription
147.0K
Overview
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...
147.0K