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How is UVR8 relevant in plants? New evidence

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Abstract

High UV-B exposure due to the presence of a thin ozone during the time of pioneering early land plants indicates about the existence of UV-B tolerance pathways and the search for which leads to the discovery of UV Resistance Locus 8(UVR8) and its associated signalling components. The phylogenetic analysis of UVR8 shows the conservation, versatility and evolution of land plants by utilizing UVR8-mediated UV-B resistance pathways in them through time. The study also shows that UVR8 and its known signalling components originated in charophytes and were preserved along with the whole genome duplications, minor modifications and deletions with the varying environment. Therefore, this study draws attention on the importance of UVR8 in plants and its potential application in inducing root development, flowering, and developing more UV-B tolerant nutrient rich plants.

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Acknowledgements

Dr. Vijay Pratap Singh is thankful to the Science and Engineering Research Board, New Delhi (EMR/2017/000518) for providing financial assistance to carry out this work.

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Authors and Affiliations

  1. Plant Physiology Laboratory, Department of Botany, C.M.P. Degree College, A Constituent Post Graduate College of University of Allahabad, 211002, Prayagraj, India

    Vipul Mishra & Vijay Pratap Singh

  2. Department of Botany, S.N. Sen B.V. P.G. College, 208001, Kanpur, India

    Samiksha Singh

  3. Centre of Advanced Studies in Botany, Institute of Science, Banaras Hindu University, 221005, Varanasi, India

    Nawal Kishore Dubey

  4. Nuclear Agriculture and Biotechnology Division, Bhabha Atomic Research Centre, 400 085, Trombay, Mumbai, India

    Shraddha Singh

  5. Homi Bhabha National Institute, 400 085, Mumbai, India

    Shraddha Singh

  6. Bryology Lab, Department of Botany, C.M.P. Degree College, A Constituent Post Graduate College of University of Allahabad, 211002, Prayagraj, India

    Meena Rai

  7. Crop Nanobiology and Molecular Stress Physiology Lab, Amity Institute of Organic Agriculture (AIOA), Amity University Uttar Pradesh, Noida, India

    Durgesh Kumar Tripathi

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  1. Vipul Mishra
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  2. Samiksha Singh
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  4. Shraddha Singh
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  5. Meena Rai
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  7. Vijay Pratap Singh
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Contributions

VPS conceived the idea. VM wrote the manuscript. SS, NKD, SS, MR, DKT and VPS edited the manuscript. All the authors have read and approved the manuscript for submission.

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Correspondence to Vijay Pratap Singh.

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Communicated by Zhong-Hua Chen.

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Mishra, V., Singh, S., Dubey, N. et al. How is UVR8 relevant in plants? New evidence. Plant Growth Regul 100, 1–5 (2023). https://doi.org/10.1007/s10725-022-00939-1

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  • DOI: https://doi.org/10.1007/s10725-022-00939-1

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