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. 1990;81(1):11-6.
doi: 10.1007/BF00055231.

Fluorescence banding in four species of Microtidae: an analysis of the evolutive changes of the constitutive heterochromatin

M Burgos  1 , D M Olmos, R Jiménez, A Sánchez, R Díaz de la Guardia
Affiliations

Fluorescence banding in four species of Microtidae: an analysis of the evolutive changes of the constitutive heterochromatin

M Burgos et al. Genetica. 1990.

Abstract

Three different fluorochrome and specific counterstain combination (DAPI/AMD, DA/DAPI and CMA/DA) treatments were applied to the chromosomes of four Microtidae (Rodentia) species. The results complete the data obtained in our previous paper (Burgos, M., Jiménez, R., & Dìaz de la Guardia, R., Genome 30:540-546, 1988) and prove that the changes in the constitutive heterochromatin in the evolution of the karyotypes of these species are not only due to gain or loss of heterochromatin, but are qualitative with respect to their nucleotide composition, repeated base pair organization or DNA-protein complex modification. These variations lead to the differential response to the fluorescence dye combinations used.

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