通过替代拼接的转录性可塑性形成了盐应激反应的形状,在韩国小麦中
Hajung Lee1, Yuna Kang2, Changsoo Kim3
1Department of Smart Agriculture Systems, Chungnam National University, Daejeon, 34134, South Korea.
Plant physiology and biochemistry : PPB
|February 7, 2026
概括
Sorghum 的意思是 Sorghum 的意思
科学领域:
- 植物生物学 植物生物学
- 分子生物学分子生物学
- 遗传学 是一个遗传学.
背景情况:
- 是一种适应气候变化的作物,对干旱地区至关重要.
- 土壤盐度对作物生产率构成重大威胁.
- 替代拼接 (AS) 是植物应激反应的一个关键机制.
研究的目的:
- 调查在盐分耐受性中的内保留 (IR) 的作用.
- 在盐应激下分析的转录组变化.
- 确定在盐度压力期间由AS调节的特定基因.
主要方法:
- 在盐应激下对三种果品种的转录组分析.
- 对替代拼接事件的量化和分析,重点关注内部保留.
- 盐应激反应基因的基因表达分析.
主要成果:
- 内部保留占所有替代拼接事件的70%以上.
- 几个内质保留事件与盐应激反应基因有关.
- 观察到AS介导的三酸酶6 (TPP6) 和ATP结合盒 (ABC) 载体基因的变化.
结论:
- 内部保留在的盐应激适应中起着至关重要的作用.
- 对TPP6和ABC输送通路的AS调节可以提高盐分的耐受性.
- 替代拼接是改善作物应激弹性的一个重要机制.
相关概念视频
Responses to Salt Stress
14.6K
Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
14.6K
Alternative RNA Splicing
25.2K
Alternative RNA splicing is the regulated splicing of exons and introns to produce different mature mRNAs from a single pre-mRNA. Unlike in constitutive splicing where a single gene produces a single type of mRNA, alternative splicing allows an organism to produce multiple proteins from a single gene and plays an important role in protein diversity.
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
25.2K
Alternative RNA Splicing
5.2K
5.2K
Responses to Heat and Cold Stress
14.9K
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
14.9K
RNA Splicing
60.7K
Splicing is the process by which eukaryotic RNA is edited before its translation into protein. The RNA strand transcribed from eukaryotic DNA is called the primary transcript. The primary transcripts that become mRNAs are called precursor messenger RNAs (pre-mRNAs). Eukaryotic pre-mRNA contains alternating sequences of exons and introns. Exons are nucleotide sequences that code for proteins, whereas introns are the non-coding regions. In RNA splicing, introns are removed and exons are bonded...
60.7K
Stress Response System
914
The stress response system, also known as the fight-or-flight response, is the body's automatic physiological reaction to perceived threats. Hans Selye introduced the concept of General Adaptation Syndrome (GAS) to describe the predictable pattern of changes that occur in response to stress. GAS consists of three sequential stages: alarm, resistance, and exhaustion. This model helps explain how chronic stress can contribute to health problems.
Alarm stage
In the alarm stage, the body's...
Alarm stage
In the alarm stage, the body's...
914


