Assimilation of Formaldehyde in Transgenic Plants Due to the Introduction of the Bacterial Ribulose Monophosphate Pathway Genes

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概要

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• Formaldehyde (HCHO) is an air pollutant suspected of being carcinogenic and a cause of sick-house syndrome. Microorganisms called methylotrophs, which can utilize reduced C1 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 C1 compounds.

著者

• Sakai Yasuyoshi

  Division Of Applied Life Sciences Graduate School Of Agriculture Kyoto University

• Yurimoto Hiroya

  Division Of Applied Life Sciences Graduate School Of Agriculture Kyoto University

• Yurimoto Hiroya

  Department Of Agricultural Chemistry And Department Of Wood Science And Technology Faculty Of Agricu

• Izui Katsura

  Graduate School Of Biostudies Kyoto University

• KATO NOBUO

  Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University

• Chen Li-mei

  Graduate School of Biostudies, Kyoto University

• Li Kun-zhi

  Graduate School of Biostudies, Kyoto University

• ORITA Izumi

  Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University

• AKITA Motomu

  School of Biology-Oriented Science and Technology, Kinki University

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