期刊
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY
卷 74, 期 3, 页码 627-635出版社
TAYLOR & FRANCIS LTD
DOI: 10.1271/bbb.90847
关键词
Arabidopsis thaliana; Calvin-Benson cycle; formaldehyde; ribulose monophosphate pathway; transgenic plant
类别
资金
- Japan Science and Technology Agency
- School of Biology-Oriented Science and Technology of Kinki University
- Japan Society for the Promotion of Science [FY2002]
- foundation of Yunnan province [2004PY01-5]
- National Natural Science Foundation of China [30670163]
- Ministry of Education, Culture, Sports, Science, and Technology of Japan
- Asahi Glass Foundation
Formaldehyde (HCHO) is an air pollutant suspected of being carcinogenic and a cause of sick-house syndrome. Microorganisms called methylotrophs, which can utilize reduced C-1 compounds such as methane and methanol, fix and assimilate HCHO, whereas most plants are unable to assimilate HCHO directly. We found that a bacterial formaldehyde-fixing pathway (ribulose monophosphate pathway) can be integrated as a bypass to the Calvin-Benson cycle in transgenic Arabidopsis thaliana and tobacco by genetic engineering. These plants showed enhanced tolerance to HCHO and enhanced capacity to eliminate gaseous HCHO by fixing it as a sugar phosphate. Our results provide a novel strategy for phytoremediation of HCHO pollution, and also represent the first step toward the production of plants that can assimilate natural gas-derived C-1 compounds.
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