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Título: | Telomeric DNA localization on dinoflagellate chromosomes: structural and evolutionary implications |
Autor: | Alverca, Elsa; Cuadrado, A.; Jouve, N.; Franca, S.; Moreno Díaz de la Espina, Susana CSIC ORCID | Fecha de publicación: | feb-2007 | Editor: | S. Karger AG | Citación: | Cytogenetic and Genome Research 116(3): 224-231 (2007) | Resumen: | Dinoflagellates are eukaryotic microalgae with distinct chromosomes throughout the cell cycle which lack histones and nucleosomes. The molecular organization of these chromosomes is still poorly understood. We have analysed the presence of telomeres in two evolutionarily distant and heterogeneous dinoflagellate species (Prorocentrum micans and Amphidinium carterae) by FISH with a probecontaining the Arabidopsis consensus telomeric sequence. Telomere structures were identified at the chromosome ends of both species during interphase and mitosis and were frequently associated with the nuclear envelope. These results identify for the first time telomere structures in dinoflagellate chromosomes, which are formed in the absence of histones. The presence of telomeres supports the linear nature of dinoflagellate chromosomes. | Versión del editor: | https://doi.org/10.1159/000098191 | URI: | http://hdl.handle.net/10261/254608 | DOI: | 10.1159/000098191 | ISSN: | 1424-8581 | E-ISSN: | 1424-859X |
Aparece en las colecciones: | (CIB) Artículos |
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