Structure and expression of an asparaginyl-tRNA synthetase gene located on chromosome IV of Arabidopsis thaliana and adjacent to a novel gene of 15 exons.
[No authors listed]
摘要
The gene AtNS1 coding for an asparaginyl-tRNA synthetase and located on chromosome IV of Arabidopsis thaliana has been characterized. AtNS1 is the first asparaginyl-tRNA synthetase gene described in higher plants. The genomic environment of AtNS1 has been studied, as well as a partial cDNA of a second homologous asparaginyl-tRNA synthetase gene, AtNS2. Both AtNS1 and AtNS2 exhibit the highest similarity with prokaryotic homologues. A large novel gene of 15 exons, named AtG2484-1, is located adjacent to AtNS1. AtG2484-1 shows features rarely described in plants including large exons and one 3' non-coding exon. PCR and Northern analyses were carried out to obtain information about the expression of these genes in various A. thaliana tissues.
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基因功能
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原始数据
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文献解读
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