相关实验视频

Updated: Jan 10, 2026

Profiling Volatile Compounds in Blackcurrant Fruit using Headspace Solid-Phase Microextraction Coupled to Gas Chromatography-Mass Spectrometry

Profiling Volatile Compounds in Blackcurrant Fruit using Headspace Solid-Phase Microextraction Coupled to Gas Chromatography-Mass Spectrometry

Published on: June 9, 2021

野生草和栽培草之间的分歧挥发物:MYB转录因子是风味差异的基础

Mingzheng Duan¹, Kangjian Song¹, Ting Jiang¹

¹Advanced Institute of Ecological Agriculture and Biodiversity on the Yunnan-Guizhou Plateau, College of Agronomy and Life Sciences, Zhaotong University, Zhaotong 657000, China.

Food chemistry. Molecular sciences

|November 28, 2025

概括

野生草优先考虑防御,而种植品种则增强风味化合物. 这项研究揭示了控制这些独特的挥发性有机化合物 (VOC) 档案的关键MYB转录因子,为繁殖有弹性,有味道的草提供了目标.

科学领域:

植物生物化学植物生物化学
基因组学就是基因组学.
水果风味的发展水果风味的发展.

背景情况:

草的味道是由挥发性有机化合物 (VOC) 和MYB转录因子决定的.
野生草和栽培草之间的遗传和生物化学差异尚未得到充分理解.

研究的目的:

为了比较野生 (F. nilgerrensis) 和栽培 (F. × ananassa) 草之间的挥发性概况和MYB转录因子表达.
为了确定分子点,以改善草的味道和弹性.

主要方法:

进行了综合的转录和代谢分析.
进行了MYB转录因子的表达特征分析.
使用挥发性化合物分析来比较基因型.

主要成果:

种植的草显示出较高水平的水果-花挥发物 (例如,尼罗利多尔,甲基乙烯酸盐,).
野生草积累了与压力相关的代谢物 (例如,格兰酸,2,3-二基酸).
特定的MYB转录因子 (FxaYL_542g0723070,FxaYL_512g0659290) 与不同的挥发性配置相关.

结论:

种植的草表现出一种代谢权衡,优先考虑感官特征而不是防御机制.
已识别的MYB转录因子和挥发性配置文件为繁殖增强草品种提供了目标.
这项研究促进了对草香味生物化学和育种策略的理解.

关键词:

气味生物合成基因 GCMS 的代谢组分.MYB转录因子的转录因子草的挥发性可能会发生.

更多相关视频

Herbivore-induced Blueberry Volatiles and Intra-plant Signaling

Herbivore-induced Blueberry Volatiles and Intra-plant Signaling

Published on: December 18, 2011

The Terroir Concept Interpreted through Grape Berry Metabolomics and Transcriptomics

The Terroir Concept Interpreted through Grape Berry Metabolomics and Transcriptomics

Published on: October 5, 2016

相关概念视频

Monohybrid Crosses

Monohybrid Crosses

Dihybrid Crosses

Dihybrid Crosses

Fruit Development, Structure, and Function

Fruit Development, Structure, and Function

Fruits form from a mature flower ovary. As seeds develop from the ovules contained within, the ovary wall undergoes a series of complex changes to form fruit. In some fruits, such as soybeans, the ovary wall dries; in other fruits, such as grapes, it remains fleshy. In some cases, organs other than the ovary contribute to fruit formation; such fruits are called accessory fruits.

Plant Breeding and Biotechnology

Plant Breeding and Biotechnology

Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.

Gene Regulation During Sporulation

Gene Regulation During Sporulation

Sporulation is a complex developmental process that allows certain Gram-positive bacteria, such as Bacillus subtilis and Clostridium species, to survive extreme environmental conditions. This process is tightly regulated by a series of signaling cascades and transcriptional controls, ensuring the formation of a highly resistant endospore.Sporulation is triggered by unfavorable conditions, such as nutrient depletion, and is governed by a phosphorelay system. One of the sensor kinases, such as...

Position-effect Variegation

Position-effect Variegation

In 1928, a German botanist Emil Heitz observed the moss nuclei with a DNA binding dye. He observed that while some chromatin regions decondense and spread out in the interphase nucleus, others do not. He termed them euchromatin and heterochromatin, respectively. He proposed that the heterochromatin regions reflect a functionally inactive state of the genome. It was later confirmed that heterochromatin is transcriptionally repressed, and euchromatin is transcriptionally active chromatin.