Plant Molecular Biology 37: 735–748, 1998. © 1998 Kluwer Academic Publishers. Printed in Belgium. Mini-review SNF1-related protein kinases: global regulators of carbon metabolism in plants? 1; 2 Nigel G. Halford and D. Grahame Hardie IACR-Long Ashton Research Station, Department of Agricultural Sciences, University of Bristol, Long Ashton, Bristol BS41 9AF, UK ( author for correspondence); Department of Biochemistry, University of Dundee, Dundee DD1 4HN, UK Received 16 February 1998; accepted 20 February 1998 Key words: AMP-activated protein kinase, carbohydrates, gene expression, gene family, HMG-CoA reductase, intracellular signalling, isoprenoids, nitrate reductase, phosphorylation, SNF1, starch, sucrose phosphate synthase, sucrose synthase, sugar sensing Introduction: the sucrose non-fermenting-1 the well known phenomenon of glucose repression. (SNF1) family in yeast and animals Genes repressed by glucose include those required for growth on alternative fermentable carbon sources like sucrose, galactose and maltose, and genes required The SNF1 protein kinase family currently comprises for oxidative metabolism and hence for growth on SNF1 itself in the yeast Saccharomyces cerevisiae, non-fermentable carbon sources such as glycerol and the AMP-activated protein kinases (AMPK) in mam- ethanol [38, 78]. The SNF1 gene was originally de- mals, and the SNF1-related protein kinases (SnRKs) ﬁned via mutations which would not grow on
Plant Molecular Biology – Springer Journals
Published: Oct 6, 2004
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