Literature DB >> 986254

The 5' leads to 3' polarity of the Xenopus Ribosomal RNA precursor molecule.

R H Reeder, T Higashinakagawa, O Miller.   

Abstract

Evidence is presented that in Xenopus laevis the 18S rRNA sequence is proximal to the 5' end of the rRNA precursor molecule and the 28S secquence is proximal to the 3' end. This assignment was made by digesting amplified ribosomal gene transcription complexes with EcoRI restriction endonuclease and spreading the cleaved transcription complexes for electron microscopy. From the known location of the EcoRI cutting sites within the transcribed region and the length of nascent chains on the cleaved transcription complexes, it was possible to make an unambiguous assignment of polarity.

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Year:  1976        PMID： 986254     DOI： 10.1016/0092-8674(76)90158-6

Source DB:  PubMed          Journal:  Cell        ISSN： 0092-8674            Impact factor:   41.582


  14 in total

1.  Partial mapping of methylated sequences in Xenopus laevis ribosomal RNA by preparative hybridization to cloned fragments of ribosomal DNA.

Authors:  B E Maden; R H Reeder
Journal:  Nucleic Acids Res       Date:  1979-03       Impact factor: 16.971

2.  Size and secondary structure of avian myeloblastosis virus associated ribosomal RNA: comparison with cellular and precursor ribosomal RNA.

Authors:  J Korb; U Heine
Journal:  Arch Virol       Date:  1978       Impact factor: 2.574

3.  Triphosphate residues at the 5' ends of rRNA precursor and 5S RNA from Dictyostelium discoideum.

Authors:  B Batts-Young; H F Lodish
Journal:  Proc Natl Acad Sci U S A       Date:  1978-02       Impact factor: 11.205

4.  Lengths and patterns of transcriptional units in the amplified nucleoli of oocytes of Xenopus laevis.

Authors:  U Scheer; M F Trendelenburg; G Krohne; W W Franke
Journal:  Chromosoma       Date:  1977-03-16       Impact factor: 4.316

5.  Localization of transcribed regions on extrachromosomal ribosomal RNA genes of Tetrahymena thermophila by R-loop mapping.

Authors:  T R Cech; D C Rio
Journal:  Proc Natl Acad Sci U S A       Date:  1979-10       Impact factor: 11.205

6.  Fine structure of ribosomal RNA. II. Distribution of methylated sequences within Xenopus laevis rRNA.

Authors:  R C Brand; S A Gerbi
Journal:  Nucleic Acids Res       Date:  1979-11-24       Impact factor: 16.971

7.  Xenopus laevis 28S ribosomal RNA: a secondary structure model and its evolutionary and functional implications.

Authors:  C G Clark; B W Tague; V C Ware; S A Gerbi
Journal:  Nucleic Acids Res       Date:  1984-08-10       Impact factor: 16.971

8.  Visualization of Drosophila melanogaster chorion genes undergoing amplification.

Authors:  Y N Osheim; O L Miller; A L Beyer
Journal:  Mol Cell Biol       Date:  1988-07       Impact factor: 4.272

9.  Sequence arrangement of the 16S and 26S rRNA genes in the pathogenic haemoflagellate Leishmania donovani.

Authors:  W Leon; D L Fouts; J Manning
Journal:  Nucleic Acids Res       Date:  1978-02       Impact factor: 16.971

10.  Mapping of the Xenopus laevis 5.8S rDNA by restriction and DNA sequencing.

Authors:  P G Boseley; A Tuyns; M L Birnstiel
Journal:  Nucleic Acids Res       Date:  1978-04       Impact factor: 16.971
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