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Plant Biotechnol J. 2008 Feb;6(2):105-34. Epub 2007 Dec 6.

Plant peptides and peptidomics.

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1
National Institute of Genetic Engineering and Biotechnology, Pajoohesh Blvd., Tehran-Karaj Highway, 17th Km., Tehran, Iran. nfarrokh@nigeb.ac.ir

Abstract

Extracellular plant peptides perform a large variety of functions, including signalling and defence. Intracellular peptides often have physiological functions or may merely be the products of general proteolysis. Plant peptides have been identified and, in part, functionally characterized through biochemical and genetic studies, which are lengthy and in some cases impractical. Peptidomics is a branch of proteomics that has been developed over the last 5 years, and has been used mainly to study neuropeptides in animals and the degradome of proteases. Peptidomics is a fast, efficient methodology that can detect minute and transient amounts of peptides and identify their post-translational modifications. This review describes known plant peptides and introduces the use of peptidomics for the detection of novel plant peptides.

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