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Article

Remodeling of Cell Wall Components in Root Nodules and Flower Abscission Zone under Drought in Yellow Lupine

by
Emilia Wilmowicz
1,*,
Agata Kućko
2,
Juan De Dios Alché
3,
Grażyna Czeszewska-Rosiak
1,
Aleksandra Bogumiła Florkiewicz
1,
Małgorzata Kapusta
4 and
Jacek Karwaszewski
1
1
Chair of Plant Physiology and Biotechnology, Nicolaus Copernicus University, Lwowska 1 Street, 87-100 Toruń, Poland
2
Department of Plant Physiology, Institute of Biology, Warsaw University of Life Sciences-SGGW (WULS-SGGW), Nowoursynowska 159 Street, 02-776 Warsaw, Poland
3
Plant Reproductive Biology and Advanced Microscopy Laboratory, Department of Biochemistry, Cell and Molecular Biology of Plants, Estación Experimental del Zaidín, Spanish National Research Council (CSIC), Profesor Albareda 1, E-18008 Granada, Spain
4
Department of Plant Cytology and Embryology, University of Gdańsk, Wita Stwosza 59 Street, 80-308 Gdańsk, Poland
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2022, 23(3), 1680; https://doi.org/10.3390/ijms23031680
Submission received: 22 December 2021 / Revised: 24 January 2022 / Accepted: 28 January 2022 / Published: 31 January 2022
(This article belongs to the Special Issue Drought-Stress Induced Physiological and Molecular Changes in Plants)
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Abstract

We recently showed that yellow lupine is highly sensitive to soil water deficits since this stressor disrupts nodule structure and functioning, and at the same time triggers flower separation through abscission zone (AZ) activation in the upper part of the plant. Both processes require specific transformations including cell wall remodeling. However, knowledge about the involvement of particular cell wall elements in nodulation and abscission in agronomically important, nitrogen-fixing crops, especially under stressful conditions, is still scarce. Here, we used immuno-fluorescence techniques to visualize dynamic changes in cell wall compounds taking place in the root nodules and flower AZ of Lupinus luteus following drought. The reaction of nodules and the flower AZ to drought includes the upregulation of extensins, galactans, arabinans, xylogalacturonan, and xyloglucans. Additionally, modifications in the localization of high- and low-methylated homogalacturonans and arabinogalactan proteins were detected in nodules. Collectively, we determined for the first time the drought-associated modification of cell wall components responsible for their remodeling in root nodules and the flower AZ of L. luteus. The involvement of these particular molecules and their possible interaction in response to stress is also deeply discussed herein.
Keywords: abscission zone; arabinan; cell wall; drought; extensins; galactans; root nodules; xyloglucans; yellow lupine; yielding abscission zone; arabinan; cell wall; drought; extensins; galactans; root nodules; xyloglucans; yellow lupine; yielding

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MDPI and ACS Style

Wilmowicz, E.; Kućko, A.; Alché, J.D.D.; Czeszewska-Rosiak, G.; Florkiewicz, A.B.; Kapusta, M.; Karwaszewski, J. Remodeling of Cell Wall Components in Root Nodules and Flower Abscission Zone under Drought in Yellow Lupine. Int. J. Mol. Sci. 2022, 23, 1680. https://doi.org/10.3390/ijms23031680

AMA Style

Wilmowicz E, Kućko A, Alché JDD, Czeszewska-Rosiak G, Florkiewicz AB, Kapusta M, Karwaszewski J. Remodeling of Cell Wall Components in Root Nodules and Flower Abscission Zone under Drought in Yellow Lupine. International Journal of Molecular Sciences. 2022; 23(3):1680. https://doi.org/10.3390/ijms23031680

Chicago/Turabian Style

Wilmowicz, Emilia, Agata Kućko, Juan De Dios Alché, Grażyna Czeszewska-Rosiak, Aleksandra Bogumiła Florkiewicz, Małgorzata Kapusta, and Jacek Karwaszewski. 2022. "Remodeling of Cell Wall Components in Root Nodules and Flower Abscission Zone under Drought in Yellow Lupine" International Journal of Molecular Sciences 23, no. 3: 1680. https://doi.org/10.3390/ijms23031680

APA Style

Wilmowicz, E., Kućko, A., Alché, J. D. D., Czeszewska-Rosiak, G., Florkiewicz, A. B., Kapusta, M., & Karwaszewski, J. (2022). Remodeling of Cell Wall Components in Root Nodules and Flower Abscission Zone under Drought in Yellow Lupine. International Journal of Molecular Sciences, 23(3), 1680. https://doi.org/10.3390/ijms23031680

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