Sensing and regulation of C and N metabolism - novel features and mechanisms of the TOR and SnRK1 signaling pathways
© 2024 The Authors. The Plant Journal published by Society for Experimental Biology and John Wiley & Sons Ltd..
Carbon (C) and nitrogen (N) metabolisms are tightly integrated to allow proper plant growth and development. Photosynthesis is dependent on N invested in chlorophylls, enzymes, and structural components of the photosynthetic machinery, while N uptake and assimilation rely on ATP, reducing equivalents, and C-skeletons provided by photosynthesis. The direct connection between N availability and photosynthetic efficiency allows the synthesis of precursors for all metabolites and building blocks in plants. Thus, the capacity to sense and respond to sudden changes in C and N availability is crucial for plant survival and is mediated by complex yet efficient signaling pathways such as TARGET OF RAPAMYCIN (TOR) and SUCROSE-NON-FERMENTING-1-RELATED PROTEIN KINASE 1 (SnRK1). In this review, we present recent advances in mechanisms involved in sensing C and N status as well as identifying current gaps in our understanding. We finally attempt to provide new perspectives and hypotheses on the interconnection of diverse signaling pathways that will allow us to understand the integration and orchestration of the major players governing the regulation of the CN balance.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2024 |
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| Enthalten in: |
The Plant journal : for cell and molecular biology - (2024) vom: 13. Feb. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Artins, Anthony [VerfasserIn] |
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Date Revised 16.02.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1111/tpj.16684 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a © 2024 The Authors. The Plant Journal published by Society for Experimental Biology and John Wiley & Sons Ltd. | ||
| 520 | |a Carbon (C) and nitrogen (N) metabolisms are tightly integrated to allow proper plant growth and development. Photosynthesis is dependent on N invested in chlorophylls, enzymes, and structural components of the photosynthetic machinery, while N uptake and assimilation rely on ATP, reducing equivalents, and C-skeletons provided by photosynthesis. The direct connection between N availability and photosynthetic efficiency allows the synthesis of precursors for all metabolites and building blocks in plants. Thus, the capacity to sense and respond to sudden changes in C and N availability is crucial for plant survival and is mediated by complex yet efficient signaling pathways such as TARGET OF RAPAMYCIN (TOR) and SUCROSE-NON-FERMENTING-1-RELATED PROTEIN KINASE 1 (SnRK1). In this review, we present recent advances in mechanisms involved in sensing C and N status as well as identifying current gaps in our understanding. We finally attempt to provide new perspectives and hypotheses on the interconnection of diverse signaling pathways that will allow us to understand the integration and orchestration of the major players governing the regulation of the CN balance | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a metabolism | |
| 650 | 4 | |a nutrient signaling | |
| 700 | 1 | |a Martins, Marina C M |e verfasserin |4 aut | |
| 700 | 1 | |a Meyer, Christian |e verfasserin |4 aut | |
| 700 | 1 | |a Fernie, Alisdair R |e verfasserin |4 aut | |
| 700 | 1 | |a Caldana, Camila |e verfasserin |4 aut | |
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