The Distribution in Different Strains and Characteristic Features of Two Subfamilies of Drosophila melanogaster Retrotransposon MDG4 (gypsy)

The Distribution in Different Strains and Characteristic Features of Two Subfamilies of... The distribution of two variants of MDG4 (gypsy) was analyzed in severalDrosophila melanogasterstrains. Southern blot hybridization revealed the inactive variant of MDG4 in all strains examined and active MDG4 only in some of them. Most of the strains harboring the active MDG4 variant were recently isolated from natural populations. It is of interest that the active MDG4 prevailed over the inactive one only in strains carrying the mutantflamenco gene. Several lines were analyzed in more detail. The number of MDG4 sites on salivary-gland polytene chromosomes was established via in situ hybridization, and MDG4 was tested for transposition using the ovoD test. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

The Distribution in Different Strains and Characteristic Features of Two Subfamilies of Drosophila melanogaster Retrotransposon MDG4 (gypsy)

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2001 by MAIK “Nauka/Interperiodica”
Subject
Biomedicine; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1023/A:1009029619460
Publisher site
See Article on Publisher Site

Abstract

The distribution of two variants of MDG4 (gypsy) was analyzed in severalDrosophila melanogasterstrains. Southern blot hybridization revealed the inactive variant of MDG4 in all strains examined and active MDG4 only in some of them. Most of the strains harboring the active MDG4 variant were recently isolated from natural populations. It is of interest that the active MDG4 prevailed over the inactive one only in strains carrying the mutantflamenco gene. Several lines were analyzed in more detail. The number of MDG4 sites on salivary-gland polytene chromosomes was established via in situ hybridization, and MDG4 was tested for transposition using the ovoD test.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Oct 16, 2004

References

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