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Genome-wide analysis of the rice and arabidopsis non-specific lipid transfer protein (nsLtp) gene families and identification of wheat nsLtp genes by EST data mining Inra
Boutrot, F.; Chantret, N.; Gautier, M.F..
Plant non-specific lipid transfer proteins (nsLTPs) are encoded by multigene families and possess physiological functions that remain unclear. Our objective was to characterize the complete nsLtp gene family in rice and arabidopsis and to perform wheat EST database mining for nsLtp gene discovery.b ResultsIn this study, we carried out a genome-wide analysis of nsLtp gene families in Oryza sativa and Arabidopsis thaliana and identified 52 rice nsLtp genes and 49 arabidopsis nsLtp genes. Here we present a complete overview of the genes and deduced protein features. Tandem duplication repeats, which represent 26 out of the 52 rice nsLtp genes and 18 out of the 49 arabidopsis nsLtp genes identified, support the complexity of the nsLtp gene families in these...
Tipo: Journal Article Palavras-chave: PROTEINE DE TRANSFERT DES LIPIDES.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD200921253611&uri=/notices/prodinra1/2009/03/
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Structure of a liganded type 2 wheat non-specific lipid transfer protein and the molecular basis of lipid binding Inra
Hoh, F.; Pons, J.-L.; Gautier, M.F.; De Lamotte, F.; Dumas, C..
In plants, a family of ubiquitous proteins named non-specific lipid-transfer proteins (ns-LTPs) facilitates the transfer of fatty acids, phospholipids and steroids between membranes. Recent data suggest that these secreted proteins play a key role in the formation of cuticular wax layers and in defence mechanisms against pathogens. In this study, X-ray crystallography has been used to examine the structural details of the interaction between a wheat type 2 ns-LTP and a lipid, l-­α-­palmitoyl-phosphatidyl glycerol. This crystal structure was solved ab initio at 1.12 Å resolution by direct methods. The typical α-­helical bundle fold of this protein is maintained by four disulfide bridges and delineates two hydrophobic cavities. The inner surface of the main...
Tipo: Journal Article Palavras-chave: PROTEINE DE TRANSFERT DES LIPIDES; LPT; STRUCTURE TRIDIMENSIONNELLE; CUTICULE NS-LTP2; LIPID-TRANSFER PROTEIN; LIPID BINDING.
Ano: 2005 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD200711dfadf3&uri=/notices/prodinra1/2009/03/
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