Shortcutting Photorespiration Protects Potato Photosynthesis and Tuber Yield Against Heatwave Stress

© 2024 The Author(s). Global Change Biology published by John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 30(2024), 12 vom: 01. Dez., Seite e17595
1. Verfasser: Meacham-Hensold, Katherine (VerfasserIn)
Weitere Verfasser: Cavanagh, Amanda P, Sorensen, Peyton, South, Paul F, Fowler, Jessica, Boyd, Ryan, Jeong, Jooyeon, Burgess, Steven, Stutz, Samantha, Dilger, Ryan N, Lee, Moonsub, Ferrari, Nicholas, Larkin, Justin, Ort, Donald R
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article climate change food security photorespiration photosynthesis thermotolerance
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520 |a Over two growing seasons, a chloroplast localized synthetic glycolate metabolic pathway expressed in potato, enhanced tuber biomass. We confirmed that this yield benefit did not come at the cost of tuber quality. In 2022, after two early season natural heatwaves, we observed enhanced daily carbon assimilation rates and increased photosynthetic capacity, with transformed plants having up to 23% higher Vcmax and 13% higher Jmax during tuber bulking stages, indicating that transformed plants were better able to withstand growing season heatwaves than untransformed controls. The increases in photosynthetic capacity and potato tuber mass after early season heatwaves were greater than in seasons without heatwaves and present the AP3 pathway as a promising avenue for yield increases in the face of forecast increased intensity and duration of heatwave events as a result of global warming 
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650 4 |a climate change 
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650 4 |a photorespiration 
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700 1 |a Cavanagh, Amanda P  |e verfasserin  |4 aut 
700 1 |a Sorensen, Peyton  |e verfasserin  |4 aut 
700 1 |a South, Paul F  |e verfasserin  |4 aut 
700 1 |a Fowler, Jessica  |e verfasserin  |4 aut 
700 1 |a Boyd, Ryan  |e verfasserin  |4 aut 
700 1 |a Jeong, Jooyeon  |e verfasserin  |4 aut 
700 1 |a Burgess, Steven  |e verfasserin  |4 aut 
700 1 |a Stutz, Samantha  |e verfasserin  |4 aut 
700 1 |a Dilger, Ryan N  |e verfasserin  |4 aut 
700 1 |a Lee, Moonsub  |e verfasserin  |4 aut 
700 1 |a Ferrari, Nicholas  |e verfasserin  |4 aut 
700 1 |a Larkin, Justin  |e verfasserin  |4 aut 
700 1 |a Ort, Donald R  |e verfasserin  |4 aut 
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