Chromosome Localization of the λ20p1.4 clone of the Drosophila melanogaster Nuclear Lamina DNA in the melanogaster Species Subgroup of the Genus Drosophila (Sophophora)

Chromosome Localization of the λ20p1.4 clone of the Drosophila melanogaster Nuclear Lamina DNA... Chromosome localization of sequences homologous to λ20p1.4 of the Drosophila melanogaster nuclear lamina DNA (nlDNA) was established by in situ hybridization in species of the melanogastersubgroup. DNA of the λ20p1.4 clone was shown to be located in the chromocenter in all the species examined. Laboratory strains of D. simulans, D. mauritiana, andD. sechellia exhibited interspecific differences in localization of λ20p1.4 nlDNA on chromosome arms. In eight natural populations, intraspecific polymorphism of λ20p1.4 nlDNA chromosome localization was shown to be present in D. simulans but absent in D. melanogaster. The possible participation of transposable elements in λ20p1.4 nlDNA relocation is discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Chromosome Localization of the λ20p1.4 clone of the Drosophila melanogaster Nuclear Lamina DNA in the melanogaster Species Subgroup of the Genus Drosophila (Sophophora)

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2002 by MAIK “Nauka/Interperiodica”
Subject
Biomedicine; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1023/A:1015298102483
Publisher site
See Article on Publisher Site

Abstract

Chromosome localization of sequences homologous to λ20p1.4 of the Drosophila melanogaster nuclear lamina DNA (nlDNA) was established by in situ hybridization in species of the melanogastersubgroup. DNA of the λ20p1.4 clone was shown to be located in the chromocenter in all the species examined. Laboratory strains of D. simulans, D. mauritiana, andD. sechellia exhibited interspecific differences in localization of λ20p1.4 nlDNA on chromosome arms. In eight natural populations, intraspecific polymorphism of λ20p1.4 nlDNA chromosome localization was shown to be present in D. simulans but absent in D. melanogaster. The possible participation of transposable elements in λ20p1.4 nlDNA relocation is discussed.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Oct 13, 2004

References

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