Identification of left-handed Z-DNA by indirect immunofluorescence in polytene chromosomes of Chironomus thummi thummi
Françoise Lemeunier, Claude Derbin, Bernard Malfoy, M. Leng, E. Taillandier
Abstract
Françoise Lemeunier, Claude Derbin, Bernard Malfoy, M. Leng, E. Taillandier
Abstract
In this work, antibodies against Z-DNA were used to stain polytene chromosomes of Chironomus thummi thummi. By indirect immunofluorescence we report the first identification of left-handed conformation of DNA in a band region. The Chironomus pattern also contrasts with the general staining observed in Drosophila. In Chironomus the antibodies to Z-DNA bind to one interband region of the chromosome II and two bands regions of the chromosome IV.
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In this work, antibodies against Z-DNA were used to stain polytene chromosomes of Chironomus thummi thummi. By indirect immunofluorescence we report the first identification of left-handed conformation of DNA in a band region. The Chironomus pattern also contrasts with the general staining observed in Drosophila. In Chironomus the antibodies to Z-DNA bind to one interband region of the chromosome II and two bands regions of the chromosome IV.
Key concepts: Polytene chromosome, Chironomus, Biology, Chromosome, DNA, Immunofluorescence, Molecular biology, Stain