GATA tandem repeats detect minisatellite regions in blowfly DNA (Diptera: Calliphoridae) |
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| Authors: | Christiane Kirchhoff |
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| Institution: | (1) Zoologisches Institut der Universität, Biologiezentrum, Olshausenstrasse 40-60, D-2300 Kiel, Germany;(2) Present address: Institute for Hormone and Fertility Research, Grandweg 64, D-2000 Hamburg 54, Germany |
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| Abstract: | A DNA probe containing GATA tandem repeats detected numerous dispersed minisatellite regions in the genomes of the blowflies Chrysomya rufifacies and Calliphora erythrocephala. These regions seemed to be actively transcribed into poly(A)+ RNA in a tissue-specific manner. When genomic DNA of blastoderm embryos was compared with adult genomic DNA some loci hybridizing to GATA displayed a marked stage-specific variation in length. In Calliphora, a small sex-linked dimorphism of GATA minisatellite associated restriction fragments was observed. |
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