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Related Concept Videos

Fruit Development, Structure, and Function01:58

Fruit Development, Structure, and Function

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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.
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Regulation of Expression at Multiple Steps01:23

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The gene expression in cells is regulated at different stages: (i) transcription, (ii) RNA processing, (iii) RNA localization, and (iv) translation. Transcriptional regulation is mediated by regulatory proteins such as transcription factors, activators, or repressors—these control gene expression by initiating or inhibiting the transcription of genes. Once a precursor or pre-mRNA is produced, it undergoes post-transcriptional modification, including 5' capping, splicing, and the...
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Gene expression can be regulated at almost every step from gene to protein. Transcription is the step that is most commonly regulated. This involves the binding of proteins to short regulatory sequences on the DNA. This association can either promote or inhibit the transcription of a gene associated with the respective sequence.
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Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
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Related Experiment Video

Updated: Jun 22, 2025

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

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Molecular Regulatory Mechanisms Affecting Fruit Aroma.

Haifei Lu1, Hongfei Zhao1, Tailin Zhong1

  • 1College of Urban Construction, Zhejiang Shuren University, Hangzhou 310015, China.

Foods (Basel, Switzerland)
|June 27, 2024
PubMed
Summary
This summary is machine-generated.

This study reviews volatile organic compounds (VOCs) in fruit aroma, detailing their synthesis pathways and regulatory factors. It explores improving fruit flavor and identifies future research directions for aroma quality control.

Keywords:
aroma substancestructural genesynthesis pathwaytranscription factorvariety improvement

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Last Updated: Jun 22, 2025

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Area of Science:

  • Plant biochemistry and metabolomics
  • Food science and technology

Background:

  • Fruit aroma is a key quality attribute determined by volatile organic compounds (VOCs).
  • VOCs are synthesized via major pathways like terpenoid, phenylalanine, and fatty acid biosynthesis.
  • Significant variations exist in fruit VOC profiles, impacting sensory quality.

Purpose of the Study:

  • To review the primary synthetic pathways of key volatile components in fruits.
  • To summarize research on the regulation of aroma formation by genes and transcription factors (TFs).
  • To discuss factors influencing fruit aroma and strategies for improving fruit flavor.

Main Methods:

  • Literature review of scientific publications on fruit aroma synthesis and regulation.
  • Synthesis of information on key genes, TFs, and epigenetic factors involved in VOC production.
  • Analysis of studies focused on enhancing fruit flavor quality.

Main Results:

  • Identified major VOCs and their biosynthetic pathways in fruits.
  • Detailed the roles of specific genes, TFs, and epigenetic factors in controlling aroma.
  • Summarized various factors influencing fruit aroma formation and quality.

Conclusions:

  • Understanding VOC biosynthesis and regulation provides a basis for precise control of fruit aroma.
  • Future research should focus on targeted genetic and epigenetic strategies for fruit quality improvement.
  • This review offers insights for breeding programs aiming to enhance fruit flavor profiles.