Literature DB >> 1549474

A superfamily of Drosophila satellite related (SR) DNA repeats restricted to the X chromosome euchromatin.

S M DiBartolomeis1, K D Tartof, F R Jackson.   

Abstract

The 1.688 g/cm3 class of Drosophila satellite DNA is predominantly localized to the centromeric heterochromatin of the X chromosome. We report here the existence of 1.688 satellite related (SR) DNA arrays present at numerous locations throughout the euchromatic portion of the X. Unlike their heterochromatic counterparts, euchromatic SRs consist of a small number of repeating units (usually 2-4), each of which is 63-81% identical to the 359-bp monomer of the 1.688 satellite. Although it appears that SR DNA arrays are not transcribed, in at least two cases, they are located adjacent to transcriptionally active genes. SR sequences also have significant similarity to a previously described Drosophila middle repeat found almost exclusively in the X euchromatin. It seems likely that these X linked sequences are required for sex chromosome specific functions.

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Year:  1992        PMID： 1549474      PMCID： PMC312099          DOI： 10.1093/nar/20.5.1113

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


  15 in total

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2.  Different regions of a complex statellite DNA vary in size and sequence of the repeating unit.

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Journal:  J Mol Biol       Date:  1979-12-05       Impact factor: 5.469

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Authors:  K D Tartof; C Hobbs; M Jones
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Review 5.  Gene dosage compensation in Drosophila melanogaster.

Authors:  J C Lucchesi; J E Manning
Journal:  Adv Genet       Date:  1987       Impact factor: 1.944

6.  A comprehensive set of sequence analysis programs for the VAX.

Authors:  J Devereux; P Haeberli; O Smithies
Journal:  Nucleic Acids Res       Date:  1984-01-11       Impact factor: 16.971

7.  The isolation of structural genes from libraries of eucaryotic DNA.

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9.  Buffer gradient gels and 35S label as an aid to rapid DNA sequence determination.

Authors:  M D Biggin; T J Gibson; G F Hong
Journal:  Proc Natl Acad Sci U S A       Date:  1983-07       Impact factor: 11.205

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Journal:  Proc Natl Acad Sci U S A       Date:  1982-12       Impact factor: 11.205
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  26 in total

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5.  New nucleotide sequence data on the EMBL File Server.

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6.  Drosophila D1 overexpression induces ectopic pairing of polytene chromosomes and is deleterious to development.

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7.  Autosomal location of a new subtype of 1.688 satellite DNA of Drosophila melanogaster.

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Journal:  Chromosome Res       Date:  1996-08       Impact factor: 5.239

Review 8.  Dosage Compensation in Drosophila-a Model for the Coordinate Regulation of Transcription.

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Journal:  Genetics       Date:  2016-10       Impact factor: 4.562

9.  Population genomics: whole-genome analysis of polymorphism and divergence in Drosophila simulans.

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10.  Species-specific heterochromatin prevents mitotic chromosome segregation to cause hybrid lethality in Drosophila.

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Journal:  PLoS Biol       Date:  2009-10-27       Impact factor: 8.029
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