Arabidopsis knockout mutation of ADC2 gene reveals inducibility by osmotic stress.

@article{Soyka1999ArabidopsisKM,
  title={Arabidopsis knockout mutation of ADC2 gene reveals inducibility by osmotic stress.},
  author={S Soyka and Arnd G. Heyer},
  journal={FEBS letters},
  year={1999},
  volume={458 2},
  pages={219-23}
}
We isolated an Arabidopsis thaliana mutant line carrying an insertion of the En-1 transposable element at the ADC2 locus. The insertion causes a knockout of the arginine decarboxylase 2 gene. We demonstrated that ADC2 is the gene responsible for induction of the polyamine biosynthetic pathway by osmotic stress. No induction of ADC activity by the osmolite sorbitol could be observed in the homozygous mutant, indicating a predominant role of ADC2 in stress response. ADC activity is reduced in the… CONTINUE READING

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