Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1126/science.aat9077 |
Synthetic glycolate metabolism pathways stimulate crop growth and productivity in the field | |
South, Paul F.1,2; Cavanagh, Amanda P.2; Liu, Helen W.3,5; Ort, Donald R.1,2,3,4 | |
2019-01-04 | |
发表期刊 | SCIENCE |
ISSN | 0036-8075 |
EISSN | 1095-9203 |
出版年 | 2019 |
卷号 | 363期号:6422页码:45-+ |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Photorespiration is required in C-3 plants to metabolize toxic glycolate formed when ribulose-1,5-bisphosphate carboxylase-oxygenase oxygenates rather than carboxylates ribulose-1,5-bisphosphate. Depending on growing temperatures, photorespiration can reduce yields by 20 to 50% in C-3 crops. Inspired by earlier work, we installed into tobacco chloroplasts synthetic glycolate metabolic pathways that are thought to be more efficient than the native pathway. Flux through the synthetic pathways was maximized by inhibiting glycolate export from the chloroplast. The synthetic pathways tested improved photosynthetic quantum yield by 20%. Numerous homozygous transgenic lines increased biomass productivity by >40% in replicated field trials. These results show that engineering alternative glycolate metabolic pathways into crop chloroplasts while inhibiting glycolate export into the native pathway can drive increases in C-3 crop yield under agricultural field conditions. |
领域 | 地球科学 ; 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000455315800055 |
WOS关键词 | CO2 COMPENSATION POINT ; PHOTORESPIRATORY BYPASSES ; C-4 PHOTOSYNTHESIS ; TEMPERATURE ; DEHYDROGENASE ; GENES ; PHOTOINHIBITION ; LOCALIZATION ; FLUORESCENCE ; EXPRESSION |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/200434 |
专题 | 地球科学 资源环境科学 气候变化 |
作者单位 | 1.USDA ARS, Global Change & Photosynthesis Res Unit, Urbana, IL 61801 USA; 2.Univ Illinois, Carl R Woese Inst Genom Biol, Urbana, IL 61801 USA; 3.Univ Illinois, Dept Crop Sci, Urbana, IL 61801 USA; 4.Univ Illinois, Dept Plant Biol, Urbana, IL 61801 USA; 5.Univ Calif Berkeley, Dept Plant & Microbial Biol, Berkeley, CA 94720 USA |
推荐引用方式 GB/T 7714 | South, Paul F.,Cavanagh, Amanda P.,Liu, Helen W.,et al. Synthetic glycolate metabolism pathways stimulate crop growth and productivity in the field[J]. SCIENCE,2019,363(6422):45-+. |
APA | South, Paul F.,Cavanagh, Amanda P.,Liu, Helen W.,&Ort, Donald R..(2019).Synthetic glycolate metabolism pathways stimulate crop growth and productivity in the field.SCIENCE,363(6422),45-+. |
MLA | South, Paul F.,et al."Synthetic glycolate metabolism pathways stimulate crop growth and productivity in the field".SCIENCE 363.6422(2019):45-+. |
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