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. 1982;85(3):453-9.
doi: 10.1007/BF00330368.

Cytological localization of inverted repeated DNA sequences in Vicia faba

P Bassi, R Cremonini, P G Cionini

Cytological localization of inverted repeated DNA sequences in Vicia faba

P Bassi et al. Chromosoma. 1982.

Abstract

Inverted repeated DNA sequences have been isolated from sheared Vicia faba DNA by hydroxylapatite column chromatography, treated with nuclease S1, tritiated by the nick translation method and hybridized in situ on squashes of Vicia faba root tips. Silver grains appear grouped in a rather limited portion of interphase nuclei and form a sort of band across them. The central regions of metaphase chromosomes are preferentially labeled, labeling being excluded from telomeres, centromeres and secondary constrictions. These results are briefly discussed in relation to those obtained in other species and the functional significance of inverted repeats.

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