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Literature DB >> 3014440

Occurrence of 9 homologous repeat units in the external spacer region of a nuclear maize rRNA gene unit.

Abstract

A 14 kb maize DNA fragment carrying nuclear rRNA genes and spacer regions was isolated and characterised by restriction enzyme mapping. A complete 3020 bp long external spacer region was sequenced and revealed 9 tandemly arranged 200 bp long repeat units with high homology. The repeat units lie upstream from two prominent S1 mapping signals. The sequence of a typical repeat unit is compared to a corresponding 130 bp long wheat repeat unit. The possible functional relevance of the repeat units is discussed.

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Year: 1986 PMID： 3014440 PMCID： PMC311504 DOI： 10.1093/nar/14.12.4969

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

33 in total

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Journal: Cell Date: 1986-01-31 Impact factor: 41.582

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Journal: Methods Enzymol Date: 1980 Impact factor: 1.600

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Journal: Cell Date: 1979-10 Impact factor: 41.582

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Journal: J Mol Biol Date: 1978-05-15 Impact factor: 5.469

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Journal: Cell Date: 1979-05 Impact factor: 41.582

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Journal: Proc Natl Acad Sci U S A Date: 1981-03 Impact factor: 11.205

41 in total

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Authors: A Kato; T Nakajima; J Yamashita; K Yakura; S Tanifuji
Journal: Plant Mol Biol Date: 1990-06 Impact factor: 4.076

3. The complete nucleotide sequence of the intergenic spacer between 25S and 17S rDNAs in rice.

Authors: F Takaiwa; S Kikuchi; K Oono
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4. A eukaryotic genome of 660 kb: electrophoretic karyotype of nucleomorph and cell nucleus of the cryptomonad alga, Pyrenomonas salina.

Authors: S Eschbach; C J Hofmann; U G Maier; P Sitte; P Hansmann
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5. The nucleotide sequence of the rDNA spacer region between the 25S and 18S rRNA genes in a species of the genus Vicia, V. hirsuta.

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Journal: Plant Mol Biol Date: 1992-06 Impact factor: 4.076

6. Unmethylated regions in the intergenic spacer of maize and teosinte ribosomal RNA genes.

Authors: E R Jupe; E A Zimmer
Journal: Plant Mol Biol Date: 1990-03 Impact factor: 4.076

7. The nucleotide sequence of the rDNA intergenic spacer region in a wild species of the genus Vicia, V. angustifolia.

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Journal: Plant Mol Biol Date: 1992-01 Impact factor: 4.076

8. The complete nucleotide sequence of the intergenic spacer region of an rDNA operon from Brassica oleracea and its comparison with other crucifers.

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Journal: Plant Mol Biol Date: 1991-06 Impact factor: 4.076

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Journal: Plant Mol Biol Date: 1987-09 Impact factor: 4.076

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Journal: Theor Appl Genet Date: 1990-06 Impact factor: 5.699