Abstract
Ethylene-responsive transcription factor (ERF) family genes, which are involved in regulation of metabolic pathways and/or are useful for metabolic engineering, were investigated in the cultured cells of Arabidopsis thaliana. The pectin content in the gelatinous precipitates after the ethanol precipitation of extracts derived from calli of a transgenic cell line, A17, overexpressing an ERF gene (At1g44830), increased in comparison with the control. Expression of genes involved in pectin biosynthesis was up-regulated in the A17 calli. Overexpression of the ERF gene coordinately activates the pectin biosynthetic pathway genes and increases the content of pectin. These results therefore will be useful as a genetic resource for engineering pectin biosynthesis in plants.
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Acknowledgments
The authors thank Dr. Shinozaki (RIKEN Plant Science Center, Yokohama, Japan) and RIKEN BioResource Center (Tsukuba, Japan) for providing Arabidopsis T87 cells, and Ms. S. Ito for her technical assistance. This study was supported by New Energy and Industrial Technology Development Organization (NEDO) as part of a project called ‘Development of Fundamental Technologies for Controlling the Material Production Process of Plants’.
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Nakano, T., Naito, Y., Kakegawa, K. et al. Increase in pectin deposition by overexpression of an ERF gene in cultured cells of Arabidopsis thaliana . Biotechnol Lett 34, 763–769 (2012). https://doi.org/10.1007/s10529-011-0826-y
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DOI: https://doi.org/10.1007/s10529-011-0826-y