Effect of polychromatic LED lighting with various red – blue ratio on the growth and development of Arabidopsis thaliana wild type plants and wei8-1tar1-1 and ahk2 mutants

Authors

  • Tatsiana N. Kudelina V. F. Kuprevich Institute of Experimental Botany, National Academy of Sciences of Belarus, 27 Akademichnaja Street, Minsk 220072, Belarus
  • Anna S. Krivobok Institute of Biomedical Problems, Russian Academy of Sciences, 76a Horoshevskoe Highway, Moscow 123007, Russia
  • Tatiana N. Bibikova Lomonosov Moscow State University, 1 Leninskie Gory, Moscow 119991, Russia
  • Olga V. Molchan V. F. Kuprevich Institute of Experimental Botany, National Academy of Sciences of Belarus, 27 Akademichnaja Street, Minsk 220072, Belarus

Keywords:

red light, blue light, tryptophan aminotransferase, TAA, TAR1, histidine kinase, AHK2, Arabidopsis thaliana, wei8-1tar1-1 mutant, ahk2 mutant, photosynthetic apparatus
Supporting Agencies
The work was carried out with the financial support of the Belarusian Republican Foundation for Fundamental Research (grants No. B19RM-065 and B21M-097) and the Russian Foundation for Basic Research (grant No. Bel_mol_a 19-54-04015), as well as within the framework of the state programme «Science-intensive technologies and equipment» (research work «Develop criteria for plant adaptation to the conditions of artificial mini-ecosystems», state registration No. 20240098).

Abstract

The effect of polychromatic LED lighting, including all regions of the visible spectrum, with a variable (from 1 to 6) red – blue ratio (R/B) on the growth of Arabidopsis thaliana wild type plants and wei8-1tar1-1 and ahk2 mutants was studied. Under polychromatic LED lighting with a R/B = 4, A. thaliana wild type plants showed an increase in plant weight, content of photosynthetic pigments, surface density of leaves, length of the main root, and the number and length of lateral roots. A further increase in the R/B ratio to R/B = 6 did not lead to greater activation of physiological and biochemical processes. The key importance of histidine kinase AHK2 and the participation of TAA and TAR1 proteins in the stimulation of vegetative organ growth and photosynthetic apparatus formation in A. thaliana plants in response to an increase in the red level and the R/B ratio in complex polychromatic compositions was shown.

Author Biographies

  • Tatsiana N. Kudelina, V. F. Kuprevich Institute of Experimental Botany, National Academy of Sciences of Belarus, 27 Akademichnaja Street, Minsk 220072, Belarus

    researcher at the laboratory of biophotonics and plant stress resistance

  • Anna S. Krivobok, Institute of Biomedical Problems, Russian Academy of Sciences, 76a Horoshevskoe Highway, Moscow 123007, Russia

    PhD (biology); senior researcher at the laboratory of plant cultivation in life support systems in autonomous residential buildings

  • Tatiana N. Bibikova, Lomonosov Moscow State University, 1 Leninskie Gory, Moscow 119991, Russia

    PhD (biology); senior researcher at the department of plant physiology, faculty of biology

  • Olga V. Molchan, V. F. Kuprevich Institute of Experimental Botany, National Academy of Sciences of Belarus, 27 Akademichnaja Street, Minsk 220072, Belarus

    PhD (biology), docent; head of the laboratory of biophotonics and plant stress resistance

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Published

2025-11-18

Issue

No. 2 (2025): Experimental Biology and Biotechnology

Section

Physiology and Сell Biology

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How to Cite

Kudelina, T. N., Krivobok, A. S., Bibikova, T. N., & Molchan, O. V. (2025). Effect of polychromatic LED lighting with various red – blue ratio on the growth and development of Arabidopsis thaliana wild type plants and wei8-1tar1-1 and ahk2 mutants. Experimental Biology and Biotechnology, 2, 4-15. https://doi.org/10.33581/2957-5060-2025-2-%p