Plant Growth under Natural Light Conditions Provides Highly Flexible Short-Term Acclimation Properties toward High Light Stress

Frontiers in Plant Science
Tobias SchumannPeter Jahns

Abstract

Efficient acclimation to different growth light intensities is essential for plant fitness. So far, most studies on light acclimation have been conducted with plants grown under different constant light regimes, but more recent work indicated that acclimation to fluctuating light or field conditions may result in different physiological properties of plants. Thale cress (Arabidopsis thaliana) was grown under three different constant light intensities (LL: 25 μmol photons m(-2) s(-1); NL: 100 μmol photons m(-2) s(-)(1); HL: 500 μmol photons m(-2) s(-1)) and under natural fluctuating light (NatL) conditions. We performed a thorough characterization of the morphological, physiological, and biochemical properties focusing on photo-protective mechanisms. Our analyses corroborated the known properties of LL, NL, and HL plants. NatL plants, however, were found to combine characteristics of both LL and HL grown plants, leading to efficient and unique light utilization capacities. Strikingly, the high energy dissipation capacity of NatL plants correlated with increased dynamics of thylakoid membrane reorganization upon short-term acclimation to excess light. We conclude that the thylakoid membrane organization and particularly the light...Continue Reading

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Citations

Jun 22, 2019·Scientific Reports·Daniel P BeverlyBrent E Ewers
May 1, 2018·Plant, Cell & Environment·Diep R GangulyBarry J Pogson
Oct 30, 2020·The Plant Journal : for Cell and Molecular Biology·Sarah E FlanneryMatthew P Johnson
Feb 26, 2021·Molecular Genetics and Genomics : MGG·Jianzhou QuShutu Xu
Mar 17, 2020·Biochimica Et Biophysica Acta. Bioenergetics·Petra RedekopPeter Jahns
Mar 19, 2019·Biochimica Et Biophysica Acta. Bioenergetics·Sam Wilson, Alexander V Ruban
Jun 23, 2019·Biochimica Et Biophysica Acta. Bioenergetics·Matthew P Johnson, Emilie Wientjes
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Apr 22, 2020·Biochimica Et Biophysica Acta. Bioenergetics·Rodrigo GómezAnabella F Lodeyro
Nov 24, 2021·Physiologia Plantarum·Andrea ColpoLorenzo Ferroni

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Methods Mentioned

BETA
transmission electron microscopy

Software Mentioned

DIRK
Prism®
Sigma Plot
Image Studio Lite

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