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Author Soranzo,N., M., Mizzi,L., G. and Frova,C.
Title Organisation and structural evolution of the rice glutathione S-transferase gene family.
Abstract:
Glutathione S-transferases (GSTs) comprise a large family of key defence enzymes against xenobiotic toxicity. Here we describe the comprehensive characterisation of this important multigene family in the model monocot species rice [ Oryza sativa(L.)]. Furthermore, we investigate the molecular evolution of the family based on the analysis of (1) the patterns of within-genome duplication, and (2) the phylogenetic relationships and evolutionary divergence among rice, Arabidopsis, maize and soybean GSTs. By in-silico screening of the EST and genome divisions of the Genbank/EMBL/DDBJ database we have isolated 59 putative genes and two pseudogenes, making this the largest plant GST family characterised to date. Of these, 38 (62%) are represented by genomic and EST sequences and 23 (38%) are known only from their genomic sequences. A preliminary survey of EST collections shows a large degree of variability in gene expression between different tissues and environmental conditions, with a small number of genes (13) accounting for 80% of all ESTs. Rice GSTs are organised in four main phylogenetic classes, with 91% of all rice genes belonging to the two plant-specific classes Tau (40 genes) and Phi (16 genes). Pairwise identity scores range between 17 and 98% for proteins of the same class, and 7 and 21% for interclass comparisons. Rapid evolution by gene duplication is suggested by the discovery of two large clusters of 7 and 23 closely related genes on chromosomes 1 and 10, respectively. A comparison of the complete GST families in two monocot and two dicot species suggests a monophyletic origin for all Theta and Zeta GSTs, and no more than three common ancestors for all Phi and Tau genes.
Journal Molecular Genetics & Genomics (Molecular General Genetics up to 2001)
Country Italy
Volume 271(5)
Pages 511-521
Year 2004
PubMed ID 15069639
PubMed Central ID -
DOI 10.1007/s00438-004-1006-8
URL -
Relation
Gene DHAR1 DHAR2 EEF1BG EF1G2 GSTF1 GSTF10 GSTF11 GSTF12 GSTF13 GSTF14 GSTF15 GSTF16 GSTF2 GSTF3 GSTF4 GSTF5 GSTF7 GSTF8 GSTF9 GSTT1 GSTT2 GSTU1 GSTU10 GSTU11 GSTU12 GSTU13 GSTU14 GSTU15 GSTU16 GSTU17 GSTU18 GSTU19 GSTU2 GSTU20 GSTU21 GSTU22 GSTU23 GSTU24 GSTU25 GSTU26 GSTU27 GSTU28 GSTU3 GSTU30 GSTU31 GSTU32 GSTU33 GSTU34 GSTU35 GSTU36 GSTU37 GSTU38 GSTU39 GSTU4 GSTU40 GSTU5 GSTU6 GSTU7 GSTU8 GSTU9 GSTZ1 GSTZ2 GSTZ3 RPP31
INSD AF402798 AF402799 AF402800 AF402801 AF402802 AF402803 AF402804 AF402805 AY533122 AY533123 AY533124 AY538745 AY541762 AY541763 AY533125 AF309376 AF309377 AF309378 AF309379 AF309380 AF309381 AF309382 AF309383 AF309384 AF402792 AF402793 AF402794 AF402795 AF402796 AF402797
Strain Wild Core Collection -
Induced Mutation Lines(NIG Collection) -
Sterile Seed Strain -
Lethal Embryo
Mutantion Strain
-
Stages in Each Organ
- Muant Lines (Gene)
-
Cultivated Varieties(NIG Collection) -
Stages in Each Organ -
/rice/oryzabase