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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
8
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pubmed:dateCreated |
1995-8-31
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pubmed:databankReference |
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/X81007,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/X81008,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/X81009,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/X81010,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/X81011,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/X81012,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/X81013,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/X81014,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/X81015,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/X81016,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/X81017,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/X81018,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/X81019,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/X81020
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pubmed:abstractText |
This paper describes a species specific satellite DNA family (pSsP216) of Drosophila subsilvestris, a palearctic species of the D. obscura group. The pSsP216 family consists of tandemly arranged 216 bp repetitive units that are predominantly localized on B chromosomes. These chromosomes appear in variable numbers in the karyotype of this species. Some pSsP216 repeats can also be detected in the centromeric heterochromatin of the acrocentric A chromosomes. Two strains, one with and the other without B chromosomes, were investigated for sequence variability and for the location of this satellite DNA on the chromosomes. Among 16 clones of the 216 bp basic repeat unit an overall similarity of about 93% and no strain specific differences were found, indicating that the B chromosomes may have derived from the A chromosomes (probably the dots) by spontaneous amplification of the pSsP216 satellite DNA family.
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Feb
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pubmed:issn |
0009-5915
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
103
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
539-44
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:7621703-Animals,
pubmed-meshheading:7621703-Base Sequence,
pubmed-meshheading:7621703-Chromosomes,
pubmed-meshheading:7621703-DNA, Satellite,
pubmed-meshheading:7621703-Drosophila,
pubmed-meshheading:7621703-Genes, Insect,
pubmed-meshheading:7621703-In Situ Hybridization,
pubmed-meshheading:7621703-Larva,
pubmed-meshheading:7621703-Molecular Sequence Data,
pubmed-meshheading:7621703-Repetitive Sequences, Nucleic Acid,
pubmed-meshheading:7621703-Species Specificity
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pubmed:year |
1995
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pubmed:articleTitle |
A species specific satellite DNA family of Drosophila subsilvestris appearing predominantly in B chromosomes.
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pubmed:affiliation |
Universität Tübingen, Biologische Fakultät, Lehrstuhl für Populationsgenetik, Tübingen, Germany.
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pubmed:publicationType |
Journal Article,
Comparative Study
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