Journal of Biosciences

, 44:26 | Cite as

Light and auxin signaling cross-talk programme root development in plants

  • Sony Kumari
  • Kishore C S PanigrahiEmail author


Root development in plants is affected by light and phytohormones. Different ranges of light wavelength influence root patterning in a particular manner. Red and white light promote overall root development, whereas blue light has both positive as well as negative role in these processes. Light-mediated root development primarily occurs through modulation of synthesis, signaling and transport of the phytohormone auxin. Auxin has been shown to play a critical role in root development. It is being well-understood that components of light and auxin signaling cross-talk with each other. However, the signaling network that can modulate the root development is an intense area of research. Currently, limited information is available about the interaction of these two signaling pathways. This review not only summarizes the current findings on how different quality and quantity of light affect various aspects of root development but also present the role of auxin in these developmental aspects starting from lower to higher plants.


Cryptochrome phytochrome PIN primary root 



auxin response factor 7


auxin resistant 2


brefeldin A


basic leucine zipper


basic helix loop helix


constitutive photomorphogenic 1




cryptochrome overexpression


dwarf in light 1




golden 2-like


homolog of HY5


elongated hypocotyl 5


indole-3 acetic acid


indole-3-acetic acid inducible 14


indole-3 pyruvic acid


non-phototropic hypocotyl 3


Oryza sativa root architecture associated 1


polar auxin transport








protein kinase PINOID


phytochrome interacting factor 3


phytochrome kinase substrate 1


protein phosphatase 2A

P. patens

Physcomitrella patens


Physcomitrella patens GH3-like protein 1


Physcomitrella patens indole-3-acetic acid 1


Physcomitrella patens root hair defective six-like 1




root phototropism 2


solitary root


suppressor of PHYA 1


taichung native 1


tainung 67


UV-B resistance 8



We would like to thank Dr. Madhusmita Panigrahy, Durga Prasad Biswal, Debadutta Patra and Aaram A. Kumar for critical reading of this manuscript. We acknowledge the financial support received from the Department of Biotechnology (DBT), India for the funding to K.C.P. (D.O. No. BT/PBA/MF2014). S.K. expresses gratitude to Department of Atomic Energy (DAE), Govt. of India for her fellowship.


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© Indian Academy of Sciences 2019

Authors and Affiliations

  1. 1.School of Biological Sciences, National Institute of Science Education and Research (NISER)HBNIDist. KhurdaIndia

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