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Author Huang,J., Wang,J., Qiu,S. and Zhang,H.
Title Isolation and characterization of two cDNAs encoding translation initiation factor 1A from rice(Oryza sativa L.).
The eukaryotic initiation factor 1A(eIF1A) is essential for transferring of the initiator Met-tRNA to 40S ribosomal subunits to form the 40S pre-initiation complex. In present study, we describe the cloning and characterization of two eIF1A genes from rice, which were designated as Oryza sativa eukaryotic initiation factor 1A genes OseIF1A-1, OseIF1A-2, respectively. Both rice elF1As shared high identities in amino acids with eIF1A proteins from other eukaryotes. The mRNA expression analysis revealed that OseIF1A-2 mRNA was much more accumulated than OseIF1A-1 in all tissues but each gene is expressed in root, stem, leaf and flowering spike in high and nearly equal level, and in immature spike in lower level. These results, together with their different location in unrooted phylogenetic tree inferred from amino acid sequences of all known eIF1As, suggested that there are two types of eIF1A genes with different function or different regulation in rice.
Journal DNA Seq.
Country China
Volume 15(1)
Pages 39-43
Year 2004
PubMed ID 15354353
PubMed Central ID -
DOI 10.1080/1042517032000160189
Gene EIF1A1 EIF1A2
INSD AJ563657 AJ563658
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 -