Silicon Enhances <i>Brassica napus</i> Tolerance to Boron Deficiency by the Remobilisation of Boron and by Changing the Expression of Boron Transporters
Boron (B) is an essential micronutrient for plants, and its deficiency is a widespread nutritional disorder, particularly in high-demanding crops like <i>Brassica napus</i>. Over the past few decades, silicon (Si) has been shown to mitigate plant nutrient deficiencies of different macro-...
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MDPI AG
2023-07-01
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Online Access: | https://www.mdpi.com/2223-7747/12/13/2574 |
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author | Elise Réthoré Nusrat Ali Sylvain Pluchon Seyed Abdollah Hosseini |
author_facet | Elise Réthoré Nusrat Ali Sylvain Pluchon Seyed Abdollah Hosseini |
author_sort | Elise Réthoré |
collection | DOAJ |
description | Boron (B) is an essential micronutrient for plants, and its deficiency is a widespread nutritional disorder, particularly in high-demanding crops like <i>Brassica napus</i>. Over the past few decades, silicon (Si) has been shown to mitigate plant nutrient deficiencies of different macro- and micro-nutrients. However, the work on B and Si cross-talk has mostly been focused on the alleviation of B toxicity by Si application. In the present study, we investigated the effect of Si application on rapeseed plants grown hydroponically under long-term B deficiency (20 days at 0.1 µM B). In addition, a B-uptake labelling experiment was conducted, and the expression of the genes involved in B uptake were monitored between 2 and 15 days of B shortage. The results showed that Si significantly improved rapeseed plant growth under B deficiency by 34% and 49% in shoots and roots, respectively. It also increased the expression level of <i>BnaNIP5;1</i> and <i>BOR1;2c</i> in both young leaves and roots. The uptake labelling experiment showed the remobilization of previously fixed <sup>11</sup>B from old leaves to new tissues. This study provides additional evidence of the beneficial effects of Si under conditions lacking B by changing the expression of the <i>BnaNIP5;1</i> gene and by remobilizing <sup>11</sup>B to young tissues. |
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spelling | doaj.art-ee56900ff48d4ebd955d56ced8f3739f2023-11-18T17:19:26ZengMDPI AGPlants2223-77472023-07-011213257410.3390/plants12132574Silicon Enhances <i>Brassica napus</i> Tolerance to Boron Deficiency by the Remobilisation of Boron and by Changing the Expression of Boron TransportersElise Réthoré0Nusrat Ali1Sylvain Pluchon2Seyed Abdollah Hosseini3Plant Nutrition R&D Department, Centre Mondial de l’Innovation of Roullier Group, 35400 Saint Malo, FrancePhys-Chem and Bio-Analytics R&D Department, Centre Mondial de l’Innovation of Roullier Group, 35400 Saint-Malo, FrancePlant Nutrition R&D Department, Centre Mondial de l’Innovation of Roullier Group, 35400 Saint Malo, FrancePlant Nutrition R&D Department, Centre Mondial de l’Innovation of Roullier Group, 35400 Saint Malo, FranceBoron (B) is an essential micronutrient for plants, and its deficiency is a widespread nutritional disorder, particularly in high-demanding crops like <i>Brassica napus</i>. Over the past few decades, silicon (Si) has been shown to mitigate plant nutrient deficiencies of different macro- and micro-nutrients. However, the work on B and Si cross-talk has mostly been focused on the alleviation of B toxicity by Si application. In the present study, we investigated the effect of Si application on rapeseed plants grown hydroponically under long-term B deficiency (20 days at 0.1 µM B). In addition, a B-uptake labelling experiment was conducted, and the expression of the genes involved in B uptake were monitored between 2 and 15 days of B shortage. The results showed that Si significantly improved rapeseed plant growth under B deficiency by 34% and 49% in shoots and roots, respectively. It also increased the expression level of <i>BnaNIP5;1</i> and <i>BOR1;2c</i> in both young leaves and roots. The uptake labelling experiment showed the remobilization of previously fixed <sup>11</sup>B from old leaves to new tissues. This study provides additional evidence of the beneficial effects of Si under conditions lacking B by changing the expression of the <i>BnaNIP5;1</i> gene and by remobilizing <sup>11</sup>B to young tissues.https://www.mdpi.com/2223-7747/12/13/2574nutrient crosstalknutrient deprivationplant nutritiongene regulatory networkstress tolerance |
spellingShingle | Elise Réthoré Nusrat Ali Sylvain Pluchon Seyed Abdollah Hosseini Silicon Enhances <i>Brassica napus</i> Tolerance to Boron Deficiency by the Remobilisation of Boron and by Changing the Expression of Boron Transporters Plants nutrient crosstalk nutrient deprivation plant nutrition gene regulatory network stress tolerance |
title | Silicon Enhances <i>Brassica napus</i> Tolerance to Boron Deficiency by the Remobilisation of Boron and by Changing the Expression of Boron Transporters |
title_full | Silicon Enhances <i>Brassica napus</i> Tolerance to Boron Deficiency by the Remobilisation of Boron and by Changing the Expression of Boron Transporters |
title_fullStr | Silicon Enhances <i>Brassica napus</i> Tolerance to Boron Deficiency by the Remobilisation of Boron and by Changing the Expression of Boron Transporters |
title_full_unstemmed | Silicon Enhances <i>Brassica napus</i> Tolerance to Boron Deficiency by the Remobilisation of Boron and by Changing the Expression of Boron Transporters |
title_short | Silicon Enhances <i>Brassica napus</i> Tolerance to Boron Deficiency by the Remobilisation of Boron and by Changing the Expression of Boron Transporters |
title_sort | silicon enhances i brassica napus i tolerance to boron deficiency by the remobilisation of boron and by changing the expression of boron transporters |
topic | nutrient crosstalk nutrient deprivation plant nutrition gene regulatory network stress tolerance |
url | https://www.mdpi.com/2223-7747/12/13/2574 |
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