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Related Concept Videos

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Related Experiment Video

Updated: Feb 12, 2026

The Terroir Concept Interpreted through Grape Berry Metabolomics and Transcriptomics
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Transcriptomic and Metabolomic Profiling Reveals the Mechanisms of Color Development in Rosa roxburghii Fruits.

Su Xu1, Junyi Deng1, Linyao Song1

  • 1School of Food Science and Engineering, Guizhou Engineering Research Center for Characteristic Flavor Perception and Quality Control of Drug-Food Homologous Resources, Guiyang University, Guiyang, China.

Physiologia Plantarum
|February 11, 2026
PubMed
Summary
This summary is machine-generated.

This study reveals how Rosa roxburghii fruit color develops. Key pigment pathways, including phenylpropanoid and flavonoid biosynthesis, are regulated by specific genes during ripening, influencing fruit color and quality.

Keywords:
Rosa roxburghiianthocyaninscolor developmentflavonoidsphenylpropanoids

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Area of Science:

  • Plant biochemistry
  • Metabolomics
  • Transcriptomics

Background:

  • Rosa roxburghii fruits are economically important due to high nutritional value, especially vitamin C and flavonoids.
  • The precise mechanisms of pigment biosynthesis (flavonoids, phenylpropanoids, anthocyanins) during fruit color development are not well understood.

Purpose of the Study:

  • To investigate the molecular mechanisms underlying color development in Rosa roxburghii fruits.
  • To identify key genes and metabolic pathways involved in pigment biosynthesis during fruit ripening.

Main Methods:

  • Integrated phenotypic, metabolomic, and transcriptomic analyses across three ripening stages (green-yellow, light-yellow, orange-yellow).
  • KEGG enrichment analysis to identify differentially accumulated metabolites (DAMs) and differentially expressed genes (DEGs).

Main Results:

  • Phenylpropanoid, flavonoid, and anthocyanin biosynthesis pathways are central to color transition.
  • Activation of phenylpropanoid and chalcone synthase-flavonol synthase (CHS-FLS) pathways drives increased flavonol accumulation from green-yellow to light-yellow.
  • Upregulation of dihydroflavonol 4-reductase (DFR) redirects flux to anthocyanin biosynthesis from light-yellow to orange-yellow.

Conclusions:

  • Elucidates stage-specific transcriptional and metabolic programs governing color evolution in R. roxburghii.
  • Provides a molecular framework for improving fruit quality through targeted manipulation of pigment biosynthesis pathways.