Chromosomal introgressions from Oryza meridionalis into domesticated rice Oryza sativa result in iron tolerance
Iron (Fe) toxicity is one of the most common mineral disorders affecting rice (Oryza sativa) production in flooded lowland fields. Oryza meridionalis is indigenous to northern Australia and grows in regions with Fe-rich soils, making it a candidate for use in adaptive breeding. With the aim of under...
| Autores principales: | , , , , , , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Oxford University Press
2021
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| Acceso en línea: | https://hdl.handle.net/10568/164418 |
| _version_ | 1855525046993289216 |
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| author | Wairich, Andriele de Oliveira, Ben Hur Neves Wu, Lin-Bo Murugaiyan, Varunseelan Margis-Pinheiro, Marcia Fett, Janette Palma Ricachenevsky, Felipe Klein Frei, Michael |
| author_browse | Fett, Janette Palma Frei, Michael Margis-Pinheiro, Marcia Murugaiyan, Varunseelan Ricachenevsky, Felipe Klein Wairich, Andriele Wu, Lin-Bo de Oliveira, Ben Hur Neves |
| author_facet | Wairich, Andriele de Oliveira, Ben Hur Neves Wu, Lin-Bo Murugaiyan, Varunseelan Margis-Pinheiro, Marcia Fett, Janette Palma Ricachenevsky, Felipe Klein Frei, Michael |
| author_sort | Wairich, Andriele |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Iron (Fe) toxicity is one of the most common mineral disorders affecting rice (Oryza sativa) production in flooded lowland fields. Oryza meridionalis is indigenous to northern Australia and grows in regions with Fe-rich soils, making it a candidate for use in adaptive breeding. With the aim of understanding tolerance mechanisms in rice, we screened a population of interspecific introgression lines from a cross between O. sativa and O. meridionalis for the identification of quantitative trait loci (QTLs) contributing to Fe-toxicity tolerance. Six putative QTLs were identified. A line carrying one introgression from O. meridionalis on chromosome 9 associated with one QTL was highly tolerant despite very high shoot Fe concentrations. Physiological, biochemical, ionomic, and transcriptomic analyses showed that the tolerance of the introgression lines could partly be explained by higher relative Fe retention in the leaf sheath and culm. We constructed the interspecific hybrid genome in silico for transcriptomic analysis and identified differentially regulated introgressed genes from O. meridionalis that could be involved in shoot-based Fe tolerance, such as metallothioneins, glutathione S-transferases, and transporters from the ABC and MFS families. This work demonstrates that introgressions of O. meridionalis into the O. sativa genome can confer increased tolerance to excess Fe. |
| format | Journal Article |
| id | CGSpace164418 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2021 |
| publishDateRange | 2021 |
| publishDateSort | 2021 |
| publisher | Oxford University Press |
| publisherStr | Oxford University Press |
| record_format | dspace |
| spelling | CGSpace1644182025-12-08T09:54:28Z Chromosomal introgressions from Oryza meridionalis into domesticated rice Oryza sativa result in iron tolerance Wairich, Andriele de Oliveira, Ben Hur Neves Wu, Lin-Bo Murugaiyan, Varunseelan Margis-Pinheiro, Marcia Fett, Janette Palma Ricachenevsky, Felipe Klein Frei, Michael physiology plant science Iron (Fe) toxicity is one of the most common mineral disorders affecting rice (Oryza sativa) production in flooded lowland fields. Oryza meridionalis is indigenous to northern Australia and grows in regions with Fe-rich soils, making it a candidate for use in adaptive breeding. With the aim of understanding tolerance mechanisms in rice, we screened a population of interspecific introgression lines from a cross between O. sativa and O. meridionalis for the identification of quantitative trait loci (QTLs) contributing to Fe-toxicity tolerance. Six putative QTLs were identified. A line carrying one introgression from O. meridionalis on chromosome 9 associated with one QTL was highly tolerant despite very high shoot Fe concentrations. Physiological, biochemical, ionomic, and transcriptomic analyses showed that the tolerance of the introgression lines could partly be explained by higher relative Fe retention in the leaf sheath and culm. We constructed the interspecific hybrid genome in silico for transcriptomic analysis and identified differentially regulated introgressed genes from O. meridionalis that could be involved in shoot-based Fe tolerance, such as metallothioneins, glutathione S-transferases, and transporters from the ABC and MFS families. This work demonstrates that introgressions of O. meridionalis into the O. sativa genome can confer increased tolerance to excess Fe. 2021-03-17 2024-12-19T12:53:52Z 2024-12-19T12:53:52Z Journal Article https://hdl.handle.net/10568/164418 en Oxford University Press Wairich, Andriele; de Oliveira, Ben Hur Neves; Wu, Lin-Bo; Murugaiyan, Varunseelan; Margis-Pinheiro, Marcia; Fett, Janette Palma; Ricachenevsky, Felipe Klein and Frei, Michael. 2021. Chromosomal introgressions from Oryza meridionalis into domesticated rice Oryza sativa result in iron tolerance. Journal of Experimental Botany, eraa461 [manuscript copy] |
| spellingShingle | physiology plant science Wairich, Andriele de Oliveira, Ben Hur Neves Wu, Lin-Bo Murugaiyan, Varunseelan Margis-Pinheiro, Marcia Fett, Janette Palma Ricachenevsky, Felipe Klein Frei, Michael Chromosomal introgressions from Oryza meridionalis into domesticated rice Oryza sativa result in iron tolerance |
| title | Chromosomal introgressions from Oryza meridionalis into domesticated rice Oryza sativa result in iron tolerance |
| title_full | Chromosomal introgressions from Oryza meridionalis into domesticated rice Oryza sativa result in iron tolerance |
| title_fullStr | Chromosomal introgressions from Oryza meridionalis into domesticated rice Oryza sativa result in iron tolerance |
| title_full_unstemmed | Chromosomal introgressions from Oryza meridionalis into domesticated rice Oryza sativa result in iron tolerance |
| title_short | Chromosomal introgressions from Oryza meridionalis into domesticated rice Oryza sativa result in iron tolerance |
| title_sort | chromosomal introgressions from oryza meridionalis into domesticated rice oryza sativa result in iron tolerance |
| topic | physiology plant science |
| url | https://hdl.handle.net/10568/164418 |
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