Overexpression of the Trehalase Gene AtTRE1 Leads to Increased Drought Stress Tolerance in Arabidopsis and Is Involved in Abscisic Acid-Induced Stomatal Closure1[W][OA]

نویسندگان

  • Hilde Van Houtte
  • Lies Vandesteene
  • Lorena López-Galvis
  • Liesbeth Lemmens
  • Ewaut Kissel
  • Sebastien Carpentier
  • Regina Feil
  • Nelson Avonce
  • Tom Beeckman
  • John E. Lunn
  • Patrick Van Dijck
چکیده

Department of Molecular Microbiology, VIB, Leuven, Belgium (H.V.H., L.V., L.L.-G., L.L., N.A., P.V.D.); Laboratory of Molecular Cell Biology, Institute of Botany and Microbiology (H.V.H., L.V., L.L.-G., L.L., N.A., P.V.D.), and Division of Crop Biotechnics, Department of Biosystems (E.K., S.C.), KU Leuven, B–3001 Leuven, Belgium; Department of Plant Systems Biology, VIB, Ghent, Belgium (L.L.-G., T.B.); Department of Plant Biotechnology and Bioinformatics, Ghent University, B–9052 Ghent, Belgium (L.L.-G., T.B.); and Max Planck Institute of Molecular Plant Physiology, Wissenschaftspark Golm, 14476 Potsdam-Golm, Germany (R.F., J.E.L.)

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Overexpression of the trehalase gene AtTRE1 leads to increased drought stress tolerance in Arabidopsis and is involved in abscisic acid-induced stomatal closure.

Introduction of microbial trehalose biosynthesis enzymes has been reported to enhance abiotic stress resistance in plants but also resulted in undesirable traits. Here, we present an approach for engineering drought stress tolerance by modifying the endogenous trehalase activity in Arabidopsis (Arabidopsis thaliana). AtTRE1 encodes the Arabidopsis trehalase, the only enzyme known in this specie...

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تاریخ انتشار 2013