Metabolic and transcriptomic signatures of rice floral organs reveal sugar starvation as a factor in reproductive failure under heat and drought stress
Heat and drought stress are projected to become major challenges to sustain rice (Oryza sativa L.) yields with global climate change. Both stresses lead to yield losses when they coincide with flowering. A significant knowledge gap exists in the mechanistic understanding of the responses of rice flo...
| Autores principales: | , , , , , , , , , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Wiley
2015
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/165413 |
| _version_ | 1855535549009362944 |
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| author | Li, Xia Lawas, Lovely M. F. Malo, Richard Glaubitz, Ulrike Erban, Alexander Mauleon, Ramil Heuer, Sigrid Zuther, Ellen Kopka, Joachim Hincha, Dirk K. Jagadish, Krishna S.V. |
| author_browse | Erban, Alexander Glaubitz, Ulrike Heuer, Sigrid Hincha, Dirk K. Jagadish, Krishna S.V. Kopka, Joachim Lawas, Lovely M. F. Li, Xia Malo, Richard Mauleon, Ramil Zuther, Ellen |
| author_facet | Li, Xia Lawas, Lovely M. F. Malo, Richard Glaubitz, Ulrike Erban, Alexander Mauleon, Ramil Heuer, Sigrid Zuther, Ellen Kopka, Joachim Hincha, Dirk K. Jagadish, Krishna S.V. |
| author_sort | Li, Xia |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Heat and drought stress are projected to become major challenges to sustain rice (Oryza sativa L.) yields with global climate change. Both stresses lead to yield losses when they coincide with flowering. A significant knowledge gap exists in the mechanistic understanding of the responses of rice floral organs that determine reproductive success under stress. Our work connects the metabolomic and transcriptomic changes in anthers, pistils before pollination and pollinated pistils in a heat‐tolerant (N22) and a heat‐sensitive (Moroberekan) cultivar. Systematic analysis of the floral organs revealed contrasts in metabolic profiles across anthers and pistils. Constitutive metabolic markers were identified that can define reproductive success in rice under stress. Six out of nine candidate metabolites identified by intersection analysis of stressed anthers were differentially accumulated in N22 compared with Moroberekan under non‐stress conditions. Sugar metabolism was identified to be the crucial metabolic and transcriptional component that differentiated floral organ tolerance or susceptibility to stress. While susceptible Moroberekan specifically showed high expression of the Carbon Starved Anthers (CSA) gene under combined heat and drought, tolerant N22 responded with high expression of genes encoding a sugar transporter (MST8) and a cell wall invertase (INV4) as markers of high sink strength. |
| format | Journal Article |
| id | CGSpace165413 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2015 |
| publishDateRange | 2015 |
| publishDateSort | 2015 |
| publisher | Wiley |
| publisherStr | Wiley |
| record_format | dspace |
| spelling | CGSpace1654132025-12-08T09:54:28Z Metabolic and transcriptomic signatures of rice floral organs reveal sugar starvation as a factor in reproductive failure under heat and drought stress Li, Xia Lawas, Lovely M. F. Malo, Richard Glaubitz, Ulrike Erban, Alexander Mauleon, Ramil Heuer, Sigrid Zuther, Ellen Kopka, Joachim Hincha, Dirk K. Jagadish, Krishna S.V. anthers cell walls climatic change drought drought tolerance flowering functional genomics genes losses metabolism plant physiology reproduction stress varieties yields Heat and drought stress are projected to become major challenges to sustain rice (Oryza sativa L.) yields with global climate change. Both stresses lead to yield losses when they coincide with flowering. A significant knowledge gap exists in the mechanistic understanding of the responses of rice floral organs that determine reproductive success under stress. Our work connects the metabolomic and transcriptomic changes in anthers, pistils before pollination and pollinated pistils in a heat‐tolerant (N22) and a heat‐sensitive (Moroberekan) cultivar. Systematic analysis of the floral organs revealed contrasts in metabolic profiles across anthers and pistils. Constitutive metabolic markers were identified that can define reproductive success in rice under stress. Six out of nine candidate metabolites identified by intersection analysis of stressed anthers were differentially accumulated in N22 compared with Moroberekan under non‐stress conditions. Sugar metabolism was identified to be the crucial metabolic and transcriptional component that differentiated floral organ tolerance or susceptibility to stress. While susceptible Moroberekan specifically showed high expression of the Carbon Starved Anthers (CSA) gene under combined heat and drought, tolerant N22 responded with high expression of genes encoding a sugar transporter (MST8) and a cell wall invertase (INV4) as markers of high sink strength. 2015-10 2024-12-19T12:55:03Z 2024-12-19T12:55:03Z Journal Article https://hdl.handle.net/10568/165413 en Wiley Li, Xia; Lawas, Lovely M. F.; Malo, Richard; Glaubitz, Ulrike; Erban, Alexander; Mauleon, Ramil; Heuer, Sigrid; Zuther, Ellen; Kopka, Joachim; Hincha, Dirk K. and Jagadish, Krishna S. V. 2015. Metabolic and transcriptomic signatures of rice floral organs reveal sugar starvation as a factor in reproductive failure under heat and drought stress. Plant Cell and Environment, Volume 38 no. 10 p. 2171-2192 |
| spellingShingle | anthers cell walls climatic change drought drought tolerance flowering functional genomics genes losses metabolism plant physiology reproduction stress varieties yields Li, Xia Lawas, Lovely M. F. Malo, Richard Glaubitz, Ulrike Erban, Alexander Mauleon, Ramil Heuer, Sigrid Zuther, Ellen Kopka, Joachim Hincha, Dirk K. Jagadish, Krishna S.V. Metabolic and transcriptomic signatures of rice floral organs reveal sugar starvation as a factor in reproductive failure under heat and drought stress |
| title | Metabolic and transcriptomic signatures of rice floral organs reveal sugar starvation as a factor in reproductive failure under heat and drought stress |
| title_full | Metabolic and transcriptomic signatures of rice floral organs reveal sugar starvation as a factor in reproductive failure under heat and drought stress |
| title_fullStr | Metabolic and transcriptomic signatures of rice floral organs reveal sugar starvation as a factor in reproductive failure under heat and drought stress |
| title_full_unstemmed | Metabolic and transcriptomic signatures of rice floral organs reveal sugar starvation as a factor in reproductive failure under heat and drought stress |
| title_short | Metabolic and transcriptomic signatures of rice floral organs reveal sugar starvation as a factor in reproductive failure under heat and drought stress |
| title_sort | metabolic and transcriptomic signatures of rice floral organs reveal sugar starvation as a factor in reproductive failure under heat and drought stress |
| topic | anthers cell walls climatic change drought drought tolerance flowering functional genomics genes losses metabolism plant physiology reproduction stress varieties yields |
| url | https://hdl.handle.net/10568/165413 |
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