SGD Paper 
Thelander M, et al. (2004) Snf1-related protein kinase 1 is needed for growth in a normal day-night light cycle. EMBO J 23(8):1900-10
Abstract: The yeast Snf1 protein kinase and its animal homologue, the AMP-activated protein kinase, play important roles in metabolic regulation, by serving as energy gauges that turn off energy-consuming processes and mobilize energy reserves during low-energy conditions. The closest homologue of these kinases in plants is Snf1-related protein kinase 1 (SnRK1). We have cloned two SnRK1-encoding genes, PpSNF1a and PpSNF1b, in the moss Physcomitrella patens, where gene function can be studied directly by gene targeting in the haploid gametophyte. A snf1a snf1b double knockout mutant is viable, but lacks all Snf1-like protein kinase activity. The mutant has a complex phenotype that includes developmental abnormalities, premature senescence and altered sensitivities to plant hormones. Remarkably, the double knockout mutant also requires continuous light, and is unable to grow in a normal day-night light cycle. This suggests that SnRK1 is needed for metabolic changes that help the plant cope with the dark hours of the night.
| Status: Published | Type: Journal Article | Research Support, Non-U.S. Gov't | PubMed ID: 15057278 |
Topics addressed in this paper
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| Topics | Genes linked to topics |
|---|---|
| SNF1 | |
| Additional Literature |  |
| Non-Fungal Related Genes/Proteins | |
