Literature DB >> 6300760

Multiple heterogeneities in the transcribed spacers of ribosomal DNA from Xenopus laevis.

M A Stewart, L M Hall, B E Maden.   

Abstract

Ribosomal DNA (rDNA) from Xenopus laevis contains several heterogeneities in all three transcribed spacers, as revealed by analysis of cloned and uncloned amplified rDNA from oocytes and cloned chromosomal rDNA from erythrocytes. Heterogeneities include single base changes and length variants of one to several nucleotides. Sites of variation are widely but non-uniformly distributed, some occurring only a short distance outside the boundaries of the rRNA coding regions. No two transcription units that we have yet examined are identical throughout their transcribed spacer regions.

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Year:  1983        PMID： 6300760      PMCID： PMC325742          DOI： 10.1093/nar/11.3.629

Source DB:  PubMed          Journal:  Nucleic Acids Res        ISSN： 0305-1048            Impact factor:   16.971


  18 in total

1.  Arrangement of length heterogeneity in repeating units of amplified and chromosomal ribosomal DNA from Xenopus laevis.

Authors:  P K Wellauer; R H Reeder; I B Dawid; D D Brown
Journal:  J Mol Biol       Date:  1976-08-25       Impact factor: 5.469

2.  Composition and structure of chromosomal and amplified ribosomal DNA's of Xenopus laevis.

Authors:  I B Dawid; D D Brown; R H Reeder
Journal:  J Mol Biol       Date:  1970-07-28       Impact factor: 5.469

3.  Restriction analysis of the nontranscribed spacers of Xenopus laevis ribosomal DNA.

Authors:  P Botchan; R H Reeder; I B Dawid
Journal:  Cell       Date:  1977-07       Impact factor: 41.582

4.  Fine structure of ribosomal RNA. III. Location of evolutionarily conserved regions within ribosomal DNA.

Authors:  R L Gourse; S A Gerbi
Journal:  J Mol Biol       Date:  1980-06-25       Impact factor: 5.469

5.  Some characteristics of processing sites in ribosomal precursor RNA of yeast.

Authors:  G M Veldman; R C Brand; J Klootwijk; R Planta
Journal:  Nucleic Acids Res       Date:  1980-07-11       Impact factor: 16.971

6.  Use of restriction enzymes to study eukaryotic DNA methylation: I. The methylation pattern in ribosomal DNA from Xenopus laevis.

Authors:  A P Bird; E M Southern
Journal:  J Mol Biol       Date:  1978-01-05       Impact factor: 5.469

7.  Sequencing end-labeled DNA with base-specific chemical cleavages.

Authors:  A M Maxam; W Gilbert
Journal:  Methods Enzymol       Date:  1980       Impact factor: 1.600

8.  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

9.  Sequence organization of the spacer DNA in a ribosomal gene unit of Xenopus laevis.

Authors:  P Boseley; T Moss; M Mächler; R Portmann; M Birnstiel
Journal:  Cell       Date:  1979-05       Impact factor: 41.582

10.  An electron microscope heteroduplex study of the ribosomal DNAs of Xenopus laevis and Xenopus mulleri.

Authors:  A B Forsheit; N Davidson; D D Brown
Journal:  J Mol Biol       Date:  1974-12-05       Impact factor: 5.469
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  11 in total

1.  28 S ribosomal RNA in vertebrates. Locations of large-scale features revealed by electron microscopy in relation to other features of the sequences.

Authors:  J A Wakeman; B E Maden
Journal:  Biochem J       Date:  1989-02-15       Impact factor: 3.857

2.  Nucleotide sequences of the 5.8S rRNA gene and internal transcribed spacer regions in carrot and broad bean ribosomal DNA.

Authors:  Y Yokota; T Kawata; Y Iida; A Kato; S Tanifuji
Journal:  J Mol Evol       Date:  1989-10       Impact factor: 2.395

3.  Clones of human ribosomal DNA containing the complete 18 S-rRNA and 28 S-rRNA genes. Characterization, a detailed map of the human ribosomal transcription unit and diversity among clones.

Authors:  B E Maden; C L Dent; T E Farrell; J Garde; F S McCallum; J A Wakeman
Journal:  Biochem J       Date:  1987-09-01       Impact factor: 3.857

4.  A sequence dimorphism in a conserved domain of human 28S rRNA. Uneven distribution of variant genes among individuals. Differential expression in HeLa cells.

Authors:  L H Qu; M Nicoloso; J P Bachellerie
Journal:  Nucleic Acids Res       Date:  1991-03-11       Impact factor: 16.971

5.  Ribosomal RNA genes of Phaseolus coccineus. I.

Authors:  F Maggini; G Tucci; A Demartis; M T Gelati; S Avanzi
Journal:  Plant Mol Biol       Date:  1992-04       Impact factor: 4.076

6.  The external transcribed spacer and preceding region of Xenopus borealis rDNA: comparison with the corresponding region of Xenopus laevis rDNA.

Authors:  J C Furlong; J Forbes; M Robertson; B E Maden
Journal:  Nucleic Acids Res       Date:  1983-12-10       Impact factor: 16.971

7.  Human 18 S ribosomal RNA sequence inferred from DNA sequence. Variations in 18 S sequences and secondary modification patterns between vertebrates.

Authors:  F S McCallum; B E Maden
Journal:  Biochem J       Date:  1985-12-15       Impact factor: 3.857

8.  Characterization of mouse 45S ribosomal RNA subspecies suggests that the first processing cleavage occurs 600 +/- 100 nucleotides from the 5' end and the second 500 +/- 100 nucleotides from the 3' end of a 13.9 kb precursor.

Authors:  T Gurney
Journal:  Nucleic Acids Res       Date:  1985-07-11       Impact factor: 16.971

9.  Patterns of major divergence between the internal transcribed spacers of ribosomal DNA in Xenopus borealis and Xenopus laevis, and of minimal divergence within ribosomal coding regions.

Authors:  J C Furlong; B E Maden
Journal:  EMBO J       Date:  1983       Impact factor: 11.598

10.  Recognition of the Xenopus ribosomal core promoter by the transcription factor xUBF involves multiple HMG box domains and leads to an xUBF interdomain interaction.

Authors:  B Leblanc; C Read; T Moss
Journal:  EMBO J       Date:  1993-02       Impact factor: 11.598
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