Identification and characterization of protease inhibitors in Diplotaxis species

PCR analysis of the genomes of two wild Brassicaceae plants, Diplotaxis muralis and Diplotaxis tenuifolia, demonstrated the presence of several genes coding for potential protease inhibitors, classifiable within the mustard inhibitor family (MSI). This is a small family of plant protease inhibitors...

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Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 47(2009), 3 vom: 01. März, Seite 175-80
1. Verfasser: Volpicella, Mariateresa (VerfasserIn)
Weitere Verfasser: De Leo, Francesca, Sciancalepore, Marta, Sonnante, Gabriella, Pignone, Domenico, Gallerani, Raffaele, Ceci, Luigi R
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Plant physiology and biochemistry : PPB
Schlagworte:Journal Article Research Support, Non-U.S. Gov't DNA Primers Protease Inhibitors
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520 |a PCR analysis of the genomes of two wild Brassicaceae plants, Diplotaxis muralis and Diplotaxis tenuifolia, demonstrated the presence of several genes coding for potential protease inhibitors, classifiable within the mustard inhibitor family (MSI). This is a small family of plant protease inhibitors named after the mustard trypsin inhibitor MTI-2, the first protease inhibitor characterized in Brassicaceae. From identified sequences two recombinant inhibitors were expressed in Pichia pastoris. In comparison with MTI-2, they show a reduced activity against bovine trypsin. However, when tested against trypsin-like proteases present in the guts of Helicoverpa zea larvae, the Diplotaxis inhibitors and MTI-2 show similar activities, indicating that the usually adopted procedure of reporting activity of plant protease inhibitors against bovine trypsin may lead to wrong estimation of their effect on insect proteases. This issue is of particular relevance when planning the use of PI genes for developing insect resistant plants 
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700 1 |a De Leo, Francesca  |e verfasserin  |4 aut 
700 1 |a Sciancalepore, Marta  |e verfasserin  |4 aut 
700 1 |a Sonnante, Gabriella  |e verfasserin  |4 aut 
700 1 |a Pignone, Domenico  |e verfasserin  |4 aut 
700 1 |a Gallerani, Raffaele  |e verfasserin  |4 aut 
700 1 |a Ceci, Luigi R  |e verfasserin  |4 aut 
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