Inflorescence-specific expression of AtK-1, a novel Arabidopsis thaliana homologue of shaggy/glycogen synthase kinase-3.
We report here the isolation of the Arabidopsis thaliana gene AtK-1. The predicted protein sequence of AtK-1 shows 70% identity to the Arabidopsis ASK and alfalfa MsK kinases that are homologs of the Drosophila shaggy and rat GSK-3 serine/threonine protein kinases playing an important role in signal transduction processes in animals. Northern analysis of different organs revealed exclusive expression in inflorescences suggesting an involvement of the AtK-1 kinase in reproduction-specific processes.
Jonak
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Institute of Microbiology and Genetics, University of Vienna, Vienna Biocenter, Austria.
Heberle-Bors
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Hirt
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D000595:Amino Acid Sequence; D017360:Arabidopsis / Q000235:genetics*; D029681:Arabidopsis Proteins; D001483:Base Sequence; D017871:Calcium-Calmodulin-Dependent Protein Kinases / Q000235:genetics; D029721:Drosophila Proteins; D015870:Gene Expression; D017343:Genes, Plant / Q000235:genetics*; D015698:Genomic Library; D038362:Glycogen Synthase Kinase 3; D008969:Molecular Sequence Data; D005810:Multigene Family / Q000235:genetics; D010940:Plant Proteins / Q000235:genetics*; D017346:Protein Serine-Threonine Kinases / Q000235:genetics*; D017386:Sequence Homology, Amino Acid; D014018:Tissue Distribution
D029681:Arabidopsis Proteins; D029721:Drosophila Proteins; D010940:Plant Proteins; C427884:ASK10 protein, Arabidopsis; D017346:Protein Serine-Threonine Kinases; C080335:Sgg protein, Drosophila; D017871:Calcium-Calmodulin-Dependent Protein Kinases; D038362:Glycogen Synthase Kinase 3