Identification of galacturonic acid-1-phosphate kinase, a new member of the GHMP kinase superfamily in plants, and comparison with galactose-1-phosphate kinase.

@article{Yang2009IdentificationOG,
  title={Identification of galacturonic acid-1-phosphate kinase, a new member of the GHMP kinase superfamily in plants, and comparison with galactose-1-phosphate kinase.},
  author={Ting Yang and Liron Bar-Peled and Lindsay Gebhart and Sung Ga Lee and Maor Bar-Peled},
  journal={The Journal of biological chemistry},
  year={2009},
  volume={284 32},
  pages={21526-35}
}
The process of salvaging sugars released from extracellular matrix, during plant cell growth and development, is not well understood, and many molecular components remain to be identified. Here we identify and functionally characterize a unique Arabidopsis gene encoding an alpha-d-galacturonic acid-1-phosphate kinase (GalAK) and compare it with galactokinase. The GalAK gene appeared to be expressed in all tissues implicating that glycose salvage is a common catabolic pathway. GalAK catalyzes… CONTINUE READING

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