Molecular Cloning, Characterization and Expression of a Novel Trehalose-6-phosphate Synthase Homologue from Ginkgo biloba
Tipo de material:
TextoSeries ; Journal of BioChemistry and Molecular Biology, 39(2), p.158-166, 2006Trabajos contenidos: - Wu, W
- Pang, Y
- Shen, G
- Lu, J
- Lin, J
- Wang, J
- Sun, X
- Sun, X
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In many organisms, trehalose acts as protective metabolite against harsh environmental stresses, such as freezing, drought, nutrient starvation, heat and salt. Herein a cDNA (designated as GbTPS, GenBank Accession Number AY884150)encoding a trehalose-6-phosphate synthase homologue was isolated and characterized from the living fossil plant, Ginkgo biloba, which is highly tolerant to drought and cold. GbTPS encoded an 868-amino-acid polypeptide with a predicted isoelectric point of 5.83 and molecular mass of 97.9 kD. Amino acid sequence alignment revealed that GbTPS shared high identity with class II trehalose-6-phosphate synthase homologues (67
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