Creation of essential technologies to utilize carbon dioxide as a resource through the enhancement of plant productivity and the exploitation of plant products

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Shin-ichi Arimura (Associate Professor, Graduate School of Agricultural and Life Sciences, The University of Tokyo)

Modification of higher plant mitochondrial genome and establishment of new cytoplasmic male sterility

 Mitochondria is a potential modification target for improving plant yield and attenuating atmospheric CO2 concentration. However, transformation of mitochondrial genome is still impossible in multicellular organisms including higher plants. As the first step, I will try to disrupt some genes on the mitochondrial genomes by artificial restriction enzymes that are being recently highly developed. As the next steps, I will try to get new cytoplasmic male sterile lines and to introduce new genes into the mitochondrial genome.