G
Gudrun Schröder
Researcher at University of Freiburg
Publications - 35
Citations - 3461
Gudrun Schröder is an academic researcher from University of Freiburg. The author has contributed to research in topics: Chalcone synthase & Catharanthus roseus. The author has an hindex of 31, co-authored 35 publications receiving 3316 citations.
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Journal ArticleDOI
Indole alkaloid biosynthesis in Catharanthus roseus: new enzyme activities and identification of cytochrome P450 CYP72A1 as secologanin synthase.
Stefan Irmler,Gudrun Schröder,Benoit St-Pierre,Nicholas P. Crouch,Michael Hotze,Jürgen Schmidt,Dieter Strack,Ulrich Matern,Joachim Schröder +8 more
TL;DR: The molecular characterization of CYP72A1 from Catharanthus roseus (Madagascar periwinkle) was described nearly a decade ago, but the enzyme function remained unknown, and it is shown by in situ hybridization and immunohistochemistry that the expression in immature leaves is epidermis-specific.
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Expression of a stilbene synthase gene in Nicotiana tabacum results in synthesis of the phytoalexin resveratrol.
TL;DR: A gene from groundnut coding for stilbene synthase was transferred together with a chimaeric kanamycin resistance gene and was found to be rapidly expressed after induction with UV light and elicitor in tobacco cells (Nicotiana tabacum).
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Molecular analysis of resveratrol synthase. cDNA, genomic clones and relationship with chalcone synthase.
TL;DR: It is proposed that the two proteins possess a common scaffold necessary for binding of the substrates and the type of enzyme reaction, and that the differences are responsible for the formation of different products.
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Evidence that stilbene synthases have developed from chalcone synthases several times in the course of evolution.
TL;DR: It is proposed that STS evolved from CHS by a limited number of amino acid exchanges, and that the advantage gained by this enzyme function favored the selection of plants with improved STS activity.
Journal ArticleDOI
New pathway to polyketides in plants
Stefan Eckermann,Gudrun Schröder,Jürgen Schmidt,Dieter Strack,R. A. Edrada,Yrjö Helariutta,Yrjö Helariutta,Paula Elomaa,Mika Kotilainen,Ilkka Kilpeläinen,Peter Proksch,Teemu H. Teeri,Joachim Schröder +12 more
TL;DR: A key enzyme in the ornamental plant Gerbera hybrida (Asteraceae) that participates in the biosynthesis of compounds that contribute to insect and pathogen resistance is identified.