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Main conclusion <p>Light and temperature can regulate auxin production which has been recently shown to be key during graft healing, suggesting that abiotic factors may be vital variables for future graft studies.</p> Abstract <p>Grafting is an important horticultural tool used to combine advantageous plant traits. Despite its broad usage, the mechanisms that underlie graft healing remain poorly understood. Recent work has highlighted the influence of high temperature-mediated auxin flow on graft success. Light and temperature sensing utilize partially overlapping mechanisms to regulate auxin biosynthesis, signaling, and transport. In this review, we explore the sensors and transcriptional regulators that modulate auxin response, specifically emphasizing how these components regulate graft success and vascular reconnection. We also discuss areas of graft biology regulated by auxin and underexplored areas of photobiology that may be key to a better understanding of graft mechanisms. This review underscores the importance of translating genetic findings from model systems into horticultural crops to expand our knowledge of economically valuable techniques like grafting.</p>

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Here comes the sun: integration of light, temperature, and auxin during herbaceous plant grafting

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年5月2日

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  • Ruiduo Han,
  • Rui Lin,
  • Yanhong Zhou,
  • Hannah Rae Thomas

摘要

Main conclusion

Light and temperature can regulate auxin production which has been recently shown to be key during graft healing, suggesting that abiotic factors may be vital variables for future graft studies.

Abstract

Grafting is an important horticultural tool used to combine advantageous plant traits. Despite its broad usage, the mechanisms that underlie graft healing remain poorly understood. Recent work has highlighted the influence of high temperature-mediated auxin flow on graft success. Light and temperature sensing utilize partially overlapping mechanisms to regulate auxin biosynthesis, signaling, and transport. In this review, we explore the sensors and transcriptional regulators that modulate auxin response, specifically emphasizing how these components regulate graft success and vascular reconnection. We also discuss areas of graft biology regulated by auxin and underexplored areas of photobiology that may be key to a better understanding of graft mechanisms. This review underscores the importance of translating genetic findings from model systems into horticultural crops to expand our knowledge of economically valuable techniques like grafting.