Literature DB >> 15845404

Characterisation of recombinant epithiospecifier protein and its over-expression in Arabidopsis thaliana.

Marta de Torres Zabala1, Murray Grant, Atle M Bones, Richard Bennett, Yin Sze Lim, Ralph Kissen, John T Rossiter.   

Abstract

Epithiospecifier protein (ESP) is a protein that catalyses formation of epithionitriles during glucosinolate hydrolysis. In vitro assays with a recombinant ESP showed that the formation of epithionitriles from alkenylglucosinolates is ESP and ferrous ion dependent. Nitrile formation in vitro however does not require ESP but only the presence of Fe(II) and myrosinase. Ectopic expression of ESP in Arabidopsis thaliana Col-5 under control of the strong viral CaMV 35S promoter altered the glucosinolate product profile from isothiocyanates towards the corresponding nitriles.

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Year:  2005        PMID： 15845404     DOI： 10.1016/j.phytochem.2005.02.026

Source DB:  PubMed          Journal:  Phytochemistry        ISSN： 0031-9422            Impact factor:   4.072


  22 in total

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