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Silicon Differently Affects Apoplastic Binding of Excess Boron in Wheat and Sunflower Leaves

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2023
plants-12-01660.pdf (927.9Kb)
Authors
Savic, Jasna
Pavlović, Jelena
Stanojević, Miloš
Bosnić, Predrag
Kravljanac Kostić, Ljiljana
Nikolić, Nina
Nikolic, Miroslav
Article (Published version)
Metadata
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Abstract
Monocots and dicots differ in their boron (B) requirement, but also in their capacity to accumulate silicon (Si). Although an ameliorative effect of Si on B toxicity has been reported in various crops, differences among monocots and dicots are not clear, in particular in light of their ability to retain B in the leaf apoplast. In hydroponic experiments under controlled conditions, we studied the role of Si in the compartmentation of B within the leaves of wheat (Triticum vulgare L.) as a model of a high-Si monocot and sunflower (Helianthus annuus L.) as a model of a low-Si dicot, with the focus on the leaf apoplast. The stable isotopes 10B and 11B were used to investigate the dynamics of cell wall B binding capacity. In both crops, the application of Si did not affect B concentration in the root, but significantly decreased the B concentration in the leaves. However, the application of Si differently influenced the binding capacity of the leaf apoplast for excess B in wheat and sunflow...er. In wheat, whose capacity to retain B in the leaf cell walls is lower than in sunflower, the continuous supply of Si is crucial for an enhancement of high B tolerance in the shoot. On the other hand, the supply of Si did not contribute significantly in the extension of the B binding sites in sunflower leaves.

Keywords:
apoplast / boron toxicity / cell wall / leaves / silicon / symplast / sunflower / wheat
Source:
Plants, 2023, 12, 1660-
Publisher:
  • MDPI
Funding / projects:
  • Science Fund of the Republic of Serbia (Si4Crop #7739571)
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200116 (University of Belgrade, Faculty of Agriculture) (RS-200116)
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200053 (University of Belgrade, Institute for Multidisciplinary Research) (RS-200053)

DOI: 10.3390/ plants12081660

ISSN: 2223-7747

[ Google Scholar ]
URI
http://rimsi.imsi.bg.ac.rs/handle/123456789/1911
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za multidisciplinarna istraživanja
TY  - JOUR
AU  - Savic, Jasna
AU  - Pavlović, Jelena
AU  - Stanojević, Miloš
AU  - Bosnić, Predrag
AU  - Kravljanac Kostić, Ljiljana
AU  - Nikolić, Nina
AU  - Nikolic, Miroslav
PY  - 2023
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/1911
AB  - Monocots and dicots differ in their boron (B) requirement, but also in their capacity to accumulate silicon (Si). Although an ameliorative effect of Si on B toxicity has been reported in various crops, differences among monocots and dicots are not clear, in particular in light of their ability to retain B in the leaf apoplast. In hydroponic experiments under controlled conditions, we studied the role of Si in the compartmentation of B within the leaves of wheat (Triticum vulgare L.) as a model of a high-Si monocot and sunflower (Helianthus annuus L.) as a model of a low-Si dicot, with the focus on the leaf apoplast. The stable isotopes 10B and 11B were used to investigate the dynamics of cell wall B binding capacity. In both crops, the application of Si did not affect B concentration in the root, but significantly decreased the B concentration in the leaves. However, the application of Si differently influenced the binding capacity of the leaf apoplast for excess B in wheat and sunflower. In wheat, whose capacity to retain B in the leaf cell walls is lower than in sunflower, the continuous supply of Si is crucial for an enhancement of high B tolerance in the shoot. On the other hand, the supply of Si did not contribute significantly in the extension of the B binding sites in sunflower leaves.
PB  - MDPI
T2  - Plants
T1  - Silicon Differently Affects Apoplastic Binding of Excess Boron in Wheat and Sunflower Leaves
SP  - 1660
VL  - 12
DO  - 10.3390/ plants12081660
ER  - 
@article{
author = "Savic, Jasna and Pavlović, Jelena and Stanojević, Miloš and Bosnić, Predrag and Kravljanac Kostić, Ljiljana and Nikolić, Nina and Nikolic, Miroslav",
year = "2023",
abstract = "Monocots and dicots differ in their boron (B) requirement, but also in their capacity to accumulate silicon (Si). Although an ameliorative effect of Si on B toxicity has been reported in various crops, differences among monocots and dicots are not clear, in particular in light of their ability to retain B in the leaf apoplast. In hydroponic experiments under controlled conditions, we studied the role of Si in the compartmentation of B within the leaves of wheat (Triticum vulgare L.) as a model of a high-Si monocot and sunflower (Helianthus annuus L.) as a model of a low-Si dicot, with the focus on the leaf apoplast. The stable isotopes 10B and 11B were used to investigate the dynamics of cell wall B binding capacity. In both crops, the application of Si did not affect B concentration in the root, but significantly decreased the B concentration in the leaves. However, the application of Si differently influenced the binding capacity of the leaf apoplast for excess B in wheat and sunflower. In wheat, whose capacity to retain B in the leaf cell walls is lower than in sunflower, the continuous supply of Si is crucial for an enhancement of high B tolerance in the shoot. On the other hand, the supply of Si did not contribute significantly in the extension of the B binding sites in sunflower leaves.",
publisher = "MDPI",
journal = "Plants",
title = "Silicon Differently Affects Apoplastic Binding of Excess Boron in Wheat and Sunflower Leaves",
pages = "1660",
volume = "12",
doi = "10.3390/ plants12081660"
}
Savic, J., Pavlović, J., Stanojević, M., Bosnić, P., Kravljanac Kostić, L., Nikolić, N.,& Nikolic, M.. (2023). Silicon Differently Affects Apoplastic Binding of Excess Boron in Wheat and Sunflower Leaves. in Plants
MDPI., 12, 1660.
https://doi.org/10.3390/ plants12081660
Savic J, Pavlović J, Stanojević M, Bosnić P, Kravljanac Kostić L, Nikolić N, Nikolic M. Silicon Differently Affects Apoplastic Binding of Excess Boron in Wheat and Sunflower Leaves. in Plants. 2023;12:1660.
doi:10.3390/ plants12081660 .
Savic, Jasna, Pavlović, Jelena, Stanojević, Miloš, Bosnić, Predrag, Kravljanac Kostić, Ljiljana, Nikolić, Nina, Nikolic, Miroslav, "Silicon Differently Affects Apoplastic Binding of Excess Boron in Wheat and Sunflower Leaves" in Plants, 12 (2023):1660,
https://doi.org/10.3390/ plants12081660 . .

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