The diverse bacterial origins of the Arabidopsis polyamine biosynthetic pathway.

@article{Illingworth2003TheDB,
  title={The diverse bacterial origins of the Arabidopsis polyamine biosynthetic pathway.},
  author={Crista Illingworth and Melinda J. Mayer and Katherine A. Elliott and Colin C Hanfrey and Nicholas J. Walton and Anthony J. Michael},
  journal={FEBS letters},
  year={2003},
  volume={549 1-3},
  pages={26-30}
}
We functionally identified the last remaining step in the plant polyamine biosynthetic pathway by expressing an Arabidopsis thaliana agmatine iminohydrolase cDNA in yeast. Inspection of the whole pathway suggests that the arginine decarboxylase, agmatine iminohydrolase, N-carbamoylputrescine amidohydrolase route to putrescine in plants was inherited from the cyanobacterial ancestor of the chloroplast. However, the rest of the pathway including ornithine decarboxylase and spermidine synthase was… CONTINUE READING

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