1982•Experimental Cell ResearchOpen access

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

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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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What this paper is about

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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Available 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.

Key concepts: Polytene chromosome, Chironomus, Biology, Chromosome, DNA, Immunofluorescence, Molecular biology, Stain

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Identification of left-handed Z-DNA by indirect immunofluorescence in polytene chromosomes of Chironomus thummi thummi — Research Paper | ScholarLens