Journal Article

Highly conserved protein kinases involved in the regulation of carbon and amino acid metabolism

Nigel G. Halford, Sandra Hey, Deveraj Jhurreea, Sophie Laurie, Rowan S. McKibbin, Yuhua Zhang and Matthew J. Paul

in Journal of Experimental Botany

Published on behalf of Society for Experimental Biology

Volume 55, issue 394, pages 35-42
Published in print January 2004 | ISSN: 0022-0957
Published online January 2004 | e-ISSN: 1460-2431 | DOI: https://dx.doi.org/10.1093/jxb/erh019
Highly conserved protein kinases involved in the regulation of carbon and amino acid metabolism

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It has been clear for over a decade and a half that ancient signalling pathways controlling fundamental cellular processes are highly conserved throughout the eukaryotes. Two plant protein kinases, sucrose non‐fermenting 1 (SNF1)‐related protein kinase (SnRK1) and general control non‐derepressible 2 (GCN2)‐related protein kinase are reviewed here. These protein kinases show an extraordinary level of conservation with their fungal and animal homologues given the span of time since they diverged from them. However, close examination of the signalling pathways in which they operate also reveals intriguing differences in activation and function.

Keywords: Amino acid metabolism, carbon metabolism, plant protein kinases, regulation, signalling.

Journal Article.  5615 words.  Illustrated.

Subjects: Plant Sciences and Forestry

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