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Patterns of DNase I sensitivity in the chromosomes of the grasshopperChorthippus parallelus (Orthoptera)

Research paper by J. de la Torre, P. Herrero, C. García de la Vega, A. T. Summer, J. Gosálvez

Indexed on: 01 Jan '96Published on: 01 Jan '96Published in: Chromosome Research



Abstract

We have analysed the patterns of DNase I/nick translation in the chromosomes of the grasshopperChorthippus parallelus erythropus. Sites of preferential DNase I-nicking were concentrated at the distal chromosome regions, thus showing the non-uniform DNase I sensitivity of different chromosome domains. Among centromeric C-bands, the heterochromatin of metacentric and acrocentric chromosomes differed with respect to their DNase I resistance.