与番茄自相关的SlCOST家族基因的表征
Jiaojiao Wang1, Yanjie Li1, Yue Niu1
1Shanghai Collaborative Innovation Center of Agri-Seeds, Joint Center for Single Cell Biology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
科学家们确定了五个番茄SlCOST基因,将干旱感知与自联系起来. 这一发现有助于在繁殖作物中增强抗压耐受性,以改善农业适应性.
科学领域:
- 植物分子生物学 植物分子生物学
- 细胞过程是细胞的过程.
- 农业科学 农业科学
背景情况:
- 自是一种重要的细胞循环过程在真核生物,对于植物的生长和适应至关重要.
- 了解自诱导的环境信号感知是有限的,阻碍了作物改善.
- DUF641家族蛋白质COST1 (构成性压力1) 与干旱感知和自有关.
研究的目的:
- 为了对番茄中的DUF641/COST家族进行全基因组分析.
- 研究SlCOST基因在自和应激反应中的作用.
- 探索SlCOST家族在培育耐压作物的潜力.
主要方法:
- 在番茄中对DUF641/COST家族基因进行全基因组分析.
- 在成长和压力期间分析SlCOST基因表达模式.
- 用自适应器ATG8e进行蛋白共同定位和相互作用研究.
- 对Arabidopsis cost1突变的补充试验与SlCOST1.1的补充试验.
主要成果:
- 在番茄中发现了五个SlCOST基因 (SlCOST1-5).
- SlCOST基因表现出多样化的表达模式,对生长和压力做出反应.
- SlCOST1, -3, -4 和 -5 蛋白与ATG8e共定位并相互作用.
- 在功能上,SlCOST1补充了Arabidopsis cost1突变体,表明它保留了作用.
结论:
- SlCOST家族在将环境感知与番茄的自学联系起作用.
- 在SlCOST家族中的功能多样化表明了专门的角色.
- 这项研究为操纵自提供了基础,以提高作物环境可塑性和耐压力.
更多相关视频
13:16Characterization of Membrane Transporters by Heterologous Expression in E. coli and Production of Membrane Vesicles
Published on: December 31, 2019
09:41Translating Ribosome Affinity Purification TRAP to Investigate Arabidopsis thaliana Root Development at a Cell Type-Specific Scale
Published on: May 14, 2020
相关概念视频
Autophagy
An autophagic pathway consists of a series of signaling events activated in response to diverse stress and physiological conditions such as food deprivation,...
Delivery Pathways to the Lysosome
Endocytosis
In endocytosis, the cell membrane takes up macromolecules and particles from the surrounding medium. Clathrin-mediated...
Protein Transport to the Inner Chloroplast Membrane
Protein Transport to the Stroma
Protein complexes called the translocon of the outer chloroplast membrane or TOC complex, and the translocon of the inner chloroplast membrane or TIC complex mediate the...
Mitochondrial Protein Sorting
Most of these mitochondrial proteins are encoded by the nucleus and imported to the mitochondria as unfolded or loosely folded precursors. Mitochondrial precursors...
Protein Transport to the Outer Chloroplast Membrane
Two models describe the mechanism of precursor recognition and entry across the outer membrane through the TOC complex. Model 1 suggests the newly synthesized precursor binds to the TOC receptor 159 and forms a complex.
