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|a 10.1093/jxb/erae506
|2 doi
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|a pubmed24n1637.xml
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|a eng
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|a Watson-Lazowski, Alexander
|e verfasserin
|4 aut
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| 245 |
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|a Multi-omic profiles of Sorghum genotypes with contrasting heat tolerance connect pathways related to thermotolerance
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 19.12.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © The Author(s) 2024. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Understanding how crop varieties acclimate to elevated temperatures is key to priming them for future climates. Here, we exposed two genotypes of Sorghum bicolor (one sensitive to heat shock (Sen) and one tolerant (Tol)) from multiple growth temperatures to a six-day heat shock (reaching 45°C), carrying out a suite of measurements before and during heat shock. Sen consistently reduced photosynthetic functioning during heat shock, while Tol increased its photosynthetic rate. Higher abundance of heat shock protein transcripts and metabolites related to heat tolerance were noted for Tol when compared to Sen both before and during heat shock, which can be attributed to constitutive and inducible responses to elevated temperatures. In addition, important changes in metabolic pathways were clearly identified for Tol during heat shock (including upregulation of raffinose family oligosaccharides and downregulation of the GABA catalytic pathway), even as the concentration of hexose sugars became depleted. We infer Tol was able to tolerate elevated temperatures due to an upregulation of osmoprotectants, chaperones and reactive oxygen species scavengers and by the suppression of SnRK1 via transcripts and metabolites during heat shock. Our results highlight potential targets for attributes of high temperature tolerance which can be utilised in future breeding trials
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|a Journal Article
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|a RNA-Seq
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|a SnRK1
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|a Thermotolerance
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|a chlorophyll fluorescence
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| 650 |
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|a heat shock
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| 650 |
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|a heat shock proteins
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| 650 |
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|a metabolomics
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|a photosynthesis
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| 650 |
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|a raffinose family oligosaccharides (RFO)
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|a Cano, Francisco Javier
|e verfasserin
|4 aut
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|a Kim, Mikael
|e verfasserin
|4 aut
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| 700 |
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|a Benning, Urs
|e verfasserin
|4 aut
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|a Koller, Fiona
|e verfasserin
|4 aut
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|a George-Jaeggli, Barbara
|e verfasserin
|4 aut
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|a Cruickshank, Alan
|e verfasserin
|4 aut
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|a Mace, Emma
|e verfasserin
|4 aut
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|a Jordan, David
|e verfasserin
|4 aut
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|a Pernice, Mathieu
|e verfasserin
|4 aut
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|a Warren, Charles
|e verfasserin
|4 aut
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|a Ghannoum, Oula
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
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|u http://dx.doi.org/10.1093/jxb/erae506
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