Developing xylem-preferential expression of PdGA20ox1, a gibberellin 20-oxidase 1 from Pinus densiflora, improves woody biomass production in a hybrid poplar.

@article{Jeon2016DevelopingXE,
  title={Developing xylem-preferential expression of PdGA20ox1, a gibberellin 20-oxidase 1 from Pinus densiflora, improves woody biomass production in a hybrid poplar.},
  author={Hyung-Woo Jeon and Jin Seong Cho and Eung-Jun Park and Kyung-hwan Han and Young-Im Choi and Jae-heung Ko},
  journal={Plant biotechnology journal},
  year={2016},
  volume={14 4},
  pages={1161-70}
}
Woody biomass has gained popularity as an environmentally friendly, renewable and sustainable resource for liquid fuel production. Here, we demonstrate biotechnological improvement of the quantity and quality of woody biomass by employing developing xylem (DX)-preferential production of gibberellin (GA), a phytohormone that positively regulates stem growth. First, for the proof of concept experiment, we produced transgenic Arabidopsis plants expressing GA20-oxidase, a key enzyme in the… CONTINUE READING

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