Rice with reduced stomatal density conserves water and has improved drought tolerance under future climate conditions

Rice with reduced stomatal density conserves water and has improved drought tolerance under future climate conditions

© 2018 The Authors. New Phytologist © 2018 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 221(2019), 1 vom: 18. Jan., Seite 371-384
1. Verfasser: Caine, Robert S (VerfasserIn)
Weitere Verfasser: Yin, Xiaojia, Sloan, Jennifer, Harrison, Emily L, Mohammed, Umar, Fulton, Timothy, Biswal, Akshaya K, Dionora, Jacqueline, Chater, Caspar C, Coe, Robert A, Bandyopadhyay, Anindya, Murchie, Erik H, Swarup, Ranjan, Quick, W Paul, Gray, Julie E
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't climate change drought epidermal pattering factor heat stress rice stomata water conservation Arabidopsis Proteins mehr... DNA-Binding Proteins EPF2 protein, Arabidopsis Plant Proteins Transcription Factors Water 059QF0KO0R Carbon Dioxide 142M471B3J
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100 1 |a Caine, Robert S  |e verfasserin  |4 aut 
245 1 0 |a Rice with reduced stomatal density conserves water and has improved drought tolerance under future climate conditions 
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500 |a Date Completed 21.01.2020 
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500 |a published: Print-Electronic 
500 |a Citation Status MEDLINE 
520 |a © 2018 The Authors. New Phytologist © 2018 New Phytologist Trust. 
520 |a Much of humanity relies on rice (Oryza sativa) as a food source, but cultivation is water intensive and the crop is vulnerable to drought and high temperatures. Under climate change, periods of reduced water availability and high temperature are expected to become more frequent, leading to detrimental effects on rice yields. We engineered the high-yielding rice cultivar 'IR64' to produce fewer stomata by manipulating the level of a developmental signal. We overexpressed the rice epidermal patterning factor OsEPF1, creating plants with substantially reduced stomatal density and correspondingly low stomatal conductance. Low stomatal density rice lines were more able to conserve water, using c. 60% of the normal amount between weeks 4 and 5 post germination. When grown at elevated atmospheric CO2 , rice plants with low stomatal density were able to maintain their stomatal conductance and survive drought and high temperature (40°C) for longer than control plants. Low stomatal density rice gave equivalent or even improved yields, despite a reduced rate of photosynthesis in some conditions. Rice plants with fewer stomata are drought tolerant and more conservative in their water use, and they should perform better in the future when climate change is expected to threaten food security 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a climate change 
650 4 |a drought 
650 4 |a epidermal pattering factor 
650 4 |a heat stress 
650 4 |a rice 
650 4 |a stomata 
650 4 |a water conservation 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a DNA-Binding Proteins  |2 NLM 
650 7 |a EPF2 protein, Arabidopsis  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Transcription Factors  |2 NLM 
650 7 |a Water  |2 NLM 
650 7 |a 059QF0KO0R  |2 NLM 
650 7 |a Carbon Dioxide  |2 NLM 
650 7 |a 142M471B3J  |2 NLM 
700 1 |a Yin, Xiaojia  |e verfasserin  |4 aut 
700 1 |a Sloan, Jennifer  |e verfasserin  |4 aut 
700 1 |a Harrison, Emily L  |e verfasserin  |4 aut 
700 1 |a Mohammed, Umar  |e verfasserin  |4 aut 
700 1 |a Fulton, Timothy  |e verfasserin  |4 aut 
700 1 |a Biswal, Akshaya K  |e verfasserin  |4 aut 
700 1 |a Dionora, Jacqueline  |e verfasserin  |4 aut 
700 1 |a Chater, Caspar C  |e verfasserin  |4 aut 
700 1 |a Coe, Robert A  |e verfasserin  |4 aut 
700 1 |a Bandyopadhyay, Anindya  |e verfasserin  |4 aut 
700 1 |a Murchie, Erik H  |e verfasserin  |4 aut 
700 1 |a Swarup, Ranjan  |e verfasserin  |4 aut 
700 1 |a Quick, W Paul  |e verfasserin  |4 aut 
700 1 |a Gray, Julie E  |e verfasserin  |4 aut 
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773 1 8 |g volume:221  |g year:2019  |g number:1  |g day:18  |g month:01  |g pages:371-384 
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