相关实验视频
Updated: Jan 23, 2026

12:34
DNA Methylation: Bisulphite Modification and Analysis
Published on: October 21, 2011
106.3K
转录基因组分析提供了关于在甲基斯莫纳酸和无酸联合治疗下在麦中的阿维南特拉米德生物合成的见解
Soyoung Kim1,2, Yu Jeong Jeong1, Bo Ryeong Kim1,2
1Biological Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup 56212, Republic of Korea.
Journal of agricultural and food chemistry
|January 22, 2026
概括
甲基莉酸 (MJ) 和酸 (ABA) 显著提高了麦中的阿维南特拉米德水平. 这项研究揭示了MJ和ABA联合治疗如何改变基因表达,以增强这些有益的化合物在麦幼苗中.
科学领域:
- 植物生物化学 植物生物化学
- 分子生物学分子生物学
- 营养学科学 营养学科学
背景情况:
- 青胺是独特的麦醇类化合物,具有潜在的健康益处.
- 了解阿维南胺生物合成是提高麦营养价值的关键.
研究的目的:
- 调查甲基莉酸 (MJ) 和酸 (ABA) 联合治疗对麦基因表达的影响.
- 阐明了在麦幼苗中增强的阿维南特拉米德积累背后的分子机制.
主要方法:
- 在MJ和ABA联合治疗下对麦幼苗进行转录基因分析.
- 量化阿维南特拉米德积累的情况.
- 不同基因表达分析.
主要成果:
- MJ和ABA联合治疗增加了阿维南特拉米德含量5.5倍.
- 4841个基因被差异表达,1921个基因被调高,2920个基因被调低.
- 关键的生物合成基因 (PAL,4CL,CCoAOMT,HHT) 和转录因子受到上调.
结论:
- MJ和ABA的联合治疗有效地提高了麦幼苗的阿维南特拉米德产量.
- 该研究确定了参与该过程的关键调控和生物合成基因.
- 这些发现为改善麦的营养成分提供了洞察力.
相关概念视频
Biosynthesis of Nucleic Acids
1.0K
Nucleic acid biosynthesis is a fundamental biochemical process that produces the purine and pyrimidine nucleotides essential for DNA and RNA synthesis. This pathway maintains a balanced nucleotide pool, preventing imbalances that could jeopardize genetic integrity and cellular function. Given the crucial role of nucleotides, their synthesis is tightly regulated to ensure proper cellular homeostasis.Purine BiosynthesisThe biosynthesis of purine nucleotides begins with ribose-5-phosphate, a...
1.0K
Biosynthesis in Bacteria
587
Biosynthesis in bacteria is a fundamental anabolic process that generates essential macromolecules, including proteins, nucleic acids, lipids, and polysaccharides. These macromolecules are critical for cellular growth, replication, and function. The process is tightly regulated and energetically linked to catabolic pathways to ensure optimal resource utilization.Biosynthetic pathways begin with precursor metabolites such as pyruvate, acetyl-CoA, and glucose-6-phosphate derived from glycolysis,...
587
Biosynthesis of Polysaccharides
577
Polysaccharides such as glycogen and starch are synthesized from nucleoside diphosphate sugars, primarily uridine diphosphate glucose (UDPG) and adenosine diphosphate glucose (ADPG). These activated glucose donors act as key intermediates in carbohydrate metabolism and biosynthesis. UDPG primarily involves glycogen synthesis in animals and many bacteria, while ADPG plays a fundamental role in starch synthesis in plants and certain bacteria.UDPG is formed when glucose-1-phosphate reacts with...
577
Biosynthesis of Lipids
552
Microbial membranes exhibit remarkable diversity in lipid composition, reflecting evolutionary adaptations to various environmental conditions. The three domains of life—Bacteria, Archaea, and Eukarya—synthesize membrane lipids through distinct biosynthetic pathways, leading to fundamental structural differences that impact membrane stability, function, and adaptability.Fatty Acid-Based Lipids in Bacteria and EukaryaBacteria and eukaryotes share a common fatty acid biosynthesis...
552
Insulin: Biosynthesis, Chemistry, and Preparation
1.3K
The endoplasmic reticulum (ER) of pancreatic β-cells synthesizes preproinsulin, which consists of a signal peptide, A and B chains, and a C-peptide. Preproinsulin is then cleaved and folded into proinsulin, which translocates to the Golgi apparatus for sorting and packaging into secretory granules. In these granules, enzymatic clipping generates insulin and C-peptide.
Damage or functional impairment of β-cells inhibits insulin production, leading to diabetes. Diabetes treatment...
Damage or functional impairment of β-cells inhibits insulin production, leading to diabetes. Diabetes treatment...
1.3K
Amino acids
104.7K
Amino acids are the monomers that comprise proteins. Each amino acid has the same fundamental structure, which consists of a central carbon atom, or the alpha (α) carbon, bonded to an amino group (NH2), a carboxyl group (COOH), and to a hydrogen atom. Every amino acid also has another atom or group of atoms bonded to the central atom known as the R group. There are 20 common amino acids present in proteins, each with a different R group. Variation in the amino acid sequence is responsible for...
104.7K

