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April 30, 2026Horticulture ResearchOpen Access

Pan-species genome-wide evolution of the RGF peptide gene family and its impact on adventitious root regeneration in apple

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Authors

YWYi WangYZYupeng ZhangYZYu Zhang

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Overview

Phylogenetic analysis reveals RGF gene family patterns in apple, suggesting links to adventitious root growth.

Key Points

  • This research aims to explore the evolution of the RGF peptide gene family and its role in root regeneration in apple.
  • Constructed a small secreted peptide library from 64 plant species
  • Identified 495 RGF genes using structure-based screening
  • Conducted phylogenetic analysis to study RGF gene family evolution in plants
  • Analyzed the Malus pan-genome to classify RGF genes into clades
  • Performed functional analysis on MdglRGF1 gene in apple seedlings.
  • Identified evolutionary patterns of initial RGF contraction followed by expansion
  • Found varying RGF peptide numbers among Malus species with different ploidy levels
  • Demonstrated that overexpression of MdglRGF1 limits adventitious root growth.
  • Confirmed dose-dependent effects of RGF peptides on primary root elongation in apple seedlings.

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/69f2a4b78c0f03fd67763c7ahttps://doi.org/10.1093/hr/uhag151
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