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<p>Many medicinal plants produce secondary metabolites, which are main sources of drugs and therapeutic products. Besides the complex biosynthetic pathways and their regulation by multiple genes, environmental factors like light play crucial roles in their accumulation, thus adding a layer of complexity. With an upsurge in market demand for secondary products throughout the world, a paradigm shift is observed towards the deployment of in vitro technologies for large-scale production of low-volume, and high-value secondary metabolites. Elicitation of plant cells is an alternative and viable strategy to augment secondary metabolites used in therapeutics. Different sources of light like fluorescent light, light-emitting diodes (LED), coloured LEDs, ultra violet (UV-A, B, C) light, a combination of lights, and temperature perceived by multisensory photoreceptors orchestrate in improving targeted secondary metabolites. This review provides an overview of the role of signaling pathways in secondary product biosynthesis and the need to explore widely light combinations as a vital source and future line of research for tailoring artificial light sources to boost the accumulation of secondary metabolites.</p>

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Impact of light and temperature on secondary metabolite accumulation in cultured cells and hairy roots

  • 期刊论文

  • 发表日期：

    2026年6月1日

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  • Rupasree Mukhopadhyay,
  • Deekshita Kosaraju,
  • Anil Gaddameedi,
  • Sugunakar Vuree,
  • K. R. S. Sambasiva Rao,
  • P. B. Kavi Kishor

摘要

Many medicinal plants produce secondary metabolites, which are main sources of drugs and therapeutic products. Besides the complex biosynthetic pathways and their regulation by multiple genes, environmental factors like light play crucial roles in their accumulation, thus adding a layer of complexity. With an upsurge in market demand for secondary products throughout the world, a paradigm shift is observed towards the deployment of in vitro technologies for large-scale production of low-volume, and high-value secondary metabolites. Elicitation of plant cells is an alternative and viable strategy to augment secondary metabolites used in therapeutics. Different sources of light like fluorescent light, light-emitting diodes (LED), coloured LEDs, ultra violet (UV-A, B, C) light, a combination of lights, and temperature perceived by multisensory photoreceptors orchestrate in improving targeted secondary metabolites. This review provides an overview of the role of signaling pathways in secondary product biosynthesis and the need to explore widely light combinations as a vital source and future line of research for tailoring artificial light sources to boost the accumulation of secondary metabolites.