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. 1982 Dec;2(12):1524–1531. doi: 10.1128/mcb.2.12.1524

Silkworm 5S RNA and Alanine tRNA Genes Share Highly Conserved 5′ Flanking and Coding Sequences

Diane G Morton 1, Karen U Sprague 1
PMCID: PMC369961  PMID: 14582194

Abstract

A fragment of Bombyx mori genomic DNA containing one tRNA2Ala gene and one 5S RNA gene has been used to compare the structural features of silkworm 5S RNA and tRNA genes. The nucleotide sequences of both genes and of the primary transcripts produced from them in homologous in vitro transcription systems have been determined. Comparison of the sequences of these two genes with that of another previously analyzed B. mori tRNA2Ala gene reveals common oligonucleotides which may be important transcriptional signals. The oligonucleotides TA(C)TAT, AATTTT, and TTC are located approximately (±1 nucleotide) 29, 19, and 3 nucleotides, respectively, before the transcription initiation sites of the two tRNA2Ala genes and the one 5S RNA gene we have analyzed. The sequence GGGCGTAG(C)TCAG lies within the coding regions of all three genes. The functional significance of these sequences is suggested by their location within regions required for the transcription of silkworm alanine tRNA genes in vitro.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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