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March 14, 2026PlantsOpen Access

RUBY-Mediated Visual Selection Facilitates Transgenic Screening and Red Floral Pigmentation in Petunia × hybrida

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Authors

JYJian YaoFYFanzhuang YanACAjithan Chandrasekaran

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Overview

Demonstrates the RUBY system enhances visual selection and pigment accumulation in Petunia, suggesting developmental impacts.

Key Points

  • This research aims to evaluate the RUBY system for transgenic screening in Petunia × hybrida and its effects on pigmentation and development.
  • Utilized an optimized transformation and organogenesis system to obtain stable RUBY transgenic lines.
  • Conducted a morphological analysis to assess relationships between RUBY expression and floral traits.
  • Analyzed gene expression levels associated with gibberellin biosynthesis and flowering regulation.
  • Transgenic Petunia lines exhibited a gradient of betalain accumulation correlated with RUBY expression levels.
  • High RUBY expression negatively affected corolla opening, indicating altered floral development.
  • Overexpression of RUBY reduced levels of gibberellin biosynthetic genes and flowering-related regulators.

Cite This Study

Yao et al. (2026) studied this question.

synapsesocial.com/papers/69b4fc33b39f7826a300cdb4https://doi.org/10.3390/plants15060886
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  5. 5Functional redundancy of R2R3-MYB transcription factors involved in anthocyanin biosynthesis is manifested in anther pigmentation in petunia2024 · 3 citations