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. 1977 Oct 15;33(10):1314-6.
doi: 10.1007/BF01920153.

Chromatin ultrastructure of lower vertebrates

Chromatin ultrastructure of lower vertebrates

M L Beçak et al. Experientia. .

Abstract

Meiotic and mitotic chromosomes from amphibians and snakes were studied by electron microscopy. By using water spreading, preceded by a mild NaCl pretreatment, we showed: 1. 'Beads on a string' arrangement of the chromatin fibres; 2. The presence of loops at pachytene chromomeres as well as during metaphase of both mitosis and first meiosis; 3. Transcriptional activity for non-ribosomal RNA on peripheral loops during the middle pachytene.

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References

    1. Cell. 1975 Apr;4(4):281-300 - PubMed
    1. Exp Cell Res. 1975 Jul;93(2):267-74 - PubMed
    1. Chromosoma. 1975 Nov 11;52(4):329-38 - PubMed
    1. J Cell Biol. 1974 Dec;63(3):923-35 - PubMed
    1. Chromosoma. 1966;19(2):188-93 - PubMed