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Comparative Study
. 1980 Aug 25;8(16):3623-37.
doi: 10.1093/nar/8.16.3623.

V体育2025版 - Fine structure of ribosomal RNA. IV. Extraordinary evolutionary conservation in sequences that flank introns in rDNA

R L Gourse, S A Gerbi
Free PMC article
Comparative Study

"V体育2025版" Fine structure of ribosomal RNA. IV. Extraordinary evolutionary conservation in sequences that flank introns in rDNA

R L Gourse et al. Nucleic Acids Res. .
Free PMC article

Abstract

By hybridization and DNA sequencing, we have defined a specific region in Xenopus rDNA that is extremely conserved between Tetrahymena, a protozoan, and Xenopus, a vertebrate. This highly conserved region is found at the site where an intron has been shown to interrupt Tetrahymena rDNA [1,2], although we have not detected introns in genomic or cloned Xenopus rDNA. We have noted that the sequences corresponding to nuclear rDNA interon-flanking regions show an intriguing complementarity to tRNAiMet VSports手机版. This suggests possible models for tRNA-rRNA interactions in protein synthesis and/or rRNA splicing. .

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References (VSports手机版)

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