E Dallery, S Quief, K E Ben Jilany, J P Kerckaert, D Hagège
{"title":"Molecular cloning and structural analysis of cDNAs that encode 3 small GTP-binding proteins from sugar beet.","authors":"E Dallery, S Quief, K E Ben Jilany, J P Kerckaert, D Hagège","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Isolation of homologous ras-related genes from sugar beet has never been reported. Screening cDNA library from Beta vulgaris L. Hilma resulted in the isolation of 3 ras-homologous clones. Two of these genes (rab1Bv and rab2Bv) belong to the Rab/Ypt group. The deduced polypeptidic sequences from them show strong homologies to Ara3 (93% with Rab1Bv) of Arabidopsis thaliana and Rgp2 (97% with Rab2Bv) of Oryza sativa. The third gene (rho1Bv) belongs to the Rho family. The homology of Rho1Bv protein with Rho1Ps from Pisum is very high (98%). Rho1Bv is the second representative plant Rho protein described in the literature. The homologies of all these 3 small GTP-binding proteins indicate that these proteins are conserved in plant families like Chenopodiaceae, Brassicaceae, Fabaceae and Poaceae and could control important transductional pathways conserved along the processes of evolution.</p>","PeriodicalId":10555,"journal":{"name":"Comptes rendus de l'Academie des sciences. Serie III, Sciences de la vie","volume":"319 2","pages":"91-7"},"PeriodicalIF":0.0000,"publicationDate":"1996-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Comptes rendus de l'Academie des sciences. Serie III, Sciences de la vie","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Isolation of homologous ras-related genes from sugar beet has never been reported. Screening cDNA library from Beta vulgaris L. Hilma resulted in the isolation of 3 ras-homologous clones. Two of these genes (rab1Bv and rab2Bv) belong to the Rab/Ypt group. The deduced polypeptidic sequences from them show strong homologies to Ara3 (93% with Rab1Bv) of Arabidopsis thaliana and Rgp2 (97% with Rab2Bv) of Oryza sativa. The third gene (rho1Bv) belongs to the Rho family. The homology of Rho1Bv protein with Rho1Ps from Pisum is very high (98%). Rho1Bv is the second representative plant Rho protein described in the literature. The homologies of all these 3 small GTP-binding proteins indicate that these proteins are conserved in plant families like Chenopodiaceae, Brassicaceae, Fabaceae and Poaceae and could control important transductional pathways conserved along the processes of evolution.
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