| http://purl.uniprot.org/citations/24512841 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/24512841 | http://www.w3.org/2000/01/rdf-schema#comment | "3β-Hydroxysteroid dehydrogenases (3βHSD) are supposed to be involved in cardenolide biosynthesis in plants. Erysimum crepidifolium Rchb., a member of the Brassicaceae accumulating cardenolides, is a close relative to Arabidopsis thaliana. Full length cDNAs encoding for three individual 3βHSDs (EcHSD1, EcHSD2, EcHSD3) were isolated from E. crepidifolium leaves. EcHSD1 and EcHSD2 encode proteins assembled from 257 amino acids whereas EcHSD3 encodes a protein assembled from 260 amino acids. All three proteins qualify as members of the short-chain dehydrogenases/reductases family of proteins (SDRs). EcHSD1 and EcHSD2 shared a high amino acid sequence identity of about 86% and 91% with putative 3βHSDs of A. thaliana (AT2G47140 and AT2G47130). EcHSD3 showed high homology to the A. thaliana SDRs AT2G47150 (74%) and AT2G47120 (81%). All three EcHSD genes were expressed in Escherichia coli and the recombinant enzymes were characterized biochemically. All three recombinant EcHSDs catalyzed the dehydrogenation of pregnenolone and the 3-reduction of 5α/β-pregnane-3,20-dione when NAD and NADH were used as cosubstrates, respectively. After exposure to different stress conditions, no increased transcription was seen for EcHSD1 whereas EcHSD2 was expressed four times higher under osmotic stress than under control conditions. EcHSD3 expression was 10 times and 6 times higher after osmotic stress and MeJA treatment, respectively, than in controls."xsd:string |
| http://purl.uniprot.org/citations/24512841 | http://purl.org/dc/terms/identifier | "doi:10.1016/j.phytochem.2014.01.006"xsd:string |
| http://purl.uniprot.org/citations/24512841 | http://purl.uniprot.org/core/author | "Kreis W."xsd:string |
| http://purl.uniprot.org/citations/24512841 | http://purl.uniprot.org/core/author | "Muller-Uri F."xsd:string |
| http://purl.uniprot.org/citations/24512841 | http://purl.uniprot.org/core/author | "Ernst M."xsd:string |
| http://purl.uniprot.org/citations/24512841 | http://purl.uniprot.org/core/author | "Munkert J."xsd:string |
| http://purl.uniprot.org/citations/24512841 | http://purl.uniprot.org/core/date | "2014"xsd:gYear |
| http://purl.uniprot.org/citations/24512841 | http://purl.uniprot.org/core/name | "Phytochemistry"xsd:string |
| http://purl.uniprot.org/citations/24512841 | http://purl.uniprot.org/core/pages | "26-33"xsd:string |
| http://purl.uniprot.org/citations/24512841 | http://purl.uniprot.org/core/title | "Identification and stress-induced expression of three 3beta-hydroxysteroid dehydrogenases from Erysimum crepidifolium Rchb. and their putative role in cardenolide biosynthesis."xsd:string |
| http://purl.uniprot.org/citations/24512841 | http://purl.uniprot.org/core/volume | "100"xsd:string |
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