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Literature DB >> 2453300

Unexpectedly long 14S ribosomal RNA gene in Tetrahymena mitochondria.

J Labriola¹, I Weiss, J Zapatero, Y Suyama.

Abstract

Extraction of RNA from Tetrahymena mitochondrial ribosomes yields several RNA species, including a "large" 21S molecule, a "small" 14S molecule, a 7S molecule, and other smaller RNAs. The molecular weight of the 14S rRNA indicates that it is about 1,300 bases in length. We have sequenced the 14S rRNA gene and, by aligning our sequence with that of the corresponding small rRNA from E. coli, find that the 14S rDNA is at least 1,635 bases in length. We propose, based on the results of hybridization studies, that this unexpected length is due to the presence of 7S RNA sequence within the 14S gene sequence. The 7S region is apparently lost from the 14S rRNA, yet is still a component of the ribosome.

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Year: 1987 PMID： 2453300 DOI： 10.1007/bf00384616

Source DB: PubMed Journal: Curr Genet ISSN： 0172-8083 Impact factor: 3.886

31 in total

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Journal: Eur J Biochem Date: 1979-10-15

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Journal: Nucleic Acids Res Date: 1984-08-24 Impact factor: 16.971

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Authors: F Sor; H Fukuhara
Journal: C R Seances Acad Sci D Date: 1980-12-08

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Journal: Proc Natl Acad Sci U S A Date: 1977-11 Impact factor: 11.205

6. Sequence and organization of the human mitochondrial genome.

Authors: S Anderson; A T Bankier; B G Barrell; M H de Bruijn; A R Coulson; J Drouin; I C Eperon; D P Nierlich; B A Roe; F Sanger; P H Schreier; A J Smith; R Staden; I G Young
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Journal: Biochim Biophys Acta Date: 1972-02-15

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Authors: J J Seilhamer; R R Gutell; D J Cummings
Journal: J Biol Chem Date: 1984-04-25 Impact factor: 5.157

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Authors: R M Dale; B A McClure; J P Houchins
Journal: Plasmid Date: 1985-01 Impact factor: 3.466

5 in total

4. Substitution of an invariant nucleotide at the base of the highly conserved '530-loop' of 15S rRNA causes suppression of yeast mitochondrial ochre mutations.

Authors: Z H Shen; T D Fox
Journal: Nucleic Acids Res Date: 1989-06-26 Impact factor: 16.971

5. The cytochrome oxidase subunit I gene of Tetrahymena: a 57 amino acid NH2-terminal extension and a 108 amino acid insert.

Authors: Z Ziaie; Y Suyama
Journal: Curr Genet Date: 1987 Impact factor: 3.886