The identification of cutin synthase: formation of the plant polyester cutin |
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| Authors: | Yeats Trevor H Martin Laetitia B B Viart Hélène M-F Isaacson Tal He Yonghua Zhao Lingxia Matas Antonio J Buda Gregory J Domozych David S Clausen Mads H Rose Jocelyn K C |
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| Institution: | Department of Plant Biology, Cornell University, Ithaca, New York, USA. |
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| Abstract: | A hydrophobic cuticle consisting of waxes and the polyester cutin covers the aerial epidermis of all land plants, providing essential protection from desiccation and other stresses. We have determined the enzymatic basis of cutin polymerization through characterization of a tomato extracellular acyltransferase, CD1, and its substrate, 2-mono(10,16-dihydroxyhexadecanoyl)glycerol. CD1 has in vitro polyester synthesis activity and is required for cutin accumulation in vivo, indicating that it is a cutin synthase. |
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