Artículo
Mudry, M.D.; Nieves, M.; Bolzán, A.D. "Chromosomal localization of the telomeric (TTAGGG)n sequence in eight species of New World Primates (Neotropical Primates, Platyrrhini)" (2007) Cytogenetic and Genome Research. 119(3-4):221-224
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Abstract:
Chromosomal localization of the telomeric sequence (TTAGGG)n in eight New World Primates (Platyrrhini) (Alouatta caraya, Alouatta palliata, Alouatta guariba clamitans, Aotus azarae, Ateles chamek, Cebus nigritus, Cebus paraguayanus, and Saimiri boliviensis) using Fluorescence In Situ Hybridization (FISH) with a peptide nucleic acid (PNA) pantelomeric probe and their possible relationship with the C-banding pattern were analyzed. FISH showed telomeric signals only at the terminal regions of chromosomes from all the species analyzed. Although all of them showed centromeric C+ bands and different size and location of extracentromeric C+ bands, none, except Aotus azarae exhibited (peri)centromeric interstitial telomere-like sequences (ITS). The presence of ITS in Aotus azarae was limited to one pair of submetacentric chromosomes and very likely represents telomeric sequences remaining after a fusion event of ancestral chromosomes during karyotype evolution. Therefore, our data indicate that the distribution of heterochromatin blocks do not correlate with the presence of ITS. However, we cannot rule out the possibility that simple ITS arrays with a few copies of the (TTAGGG)n sequence, not detectable by conventional FISH, might play a role in the karyotypic evolution of Ceboidea. Further FISH and molecular studies will be needed to confirm this hypothesis. Copyright © 2008 S. Karger AG.
Registro:
| Documento: | Artículo |
| Título: | Chromosomal localization of the telomeric (TTAGGG)n sequence in eight species of New World Primates (Neotropical Primates, Platyrrhini) |
| Autor: | Mudry, M.D.; Nieves, M.; Bolzán, A.D. |
| Filiación: | Grupo de Investigación en Biología Evolutiva (GIBE), Dpto. Ecología, Genética Y Evolución, Ciudad Universitaria, Ciudad Autónoma de Buenos Aires, Argentina Carrera del Investigador Científico de CONICET, Argentina Laboratorio de Citogenética Molecular, Centro Atómico Constituyentes, Comisión Nacional de Energía, Atómica (CNEA), Ciudad Autónoma de Buenos Aires, Argentina Laboratorio de Citogenética Y Mutagénesis, Instituto Multidisciplinario de Biología Celular (IMBICE), La Plata, Argentina GIBE, Dpto. Ecología, Genética Y Evolución, 4to Piso Lab. 46, (1428EHA) Ciudad Autónoma de Buenos Aires, Argentina |
| Palabras clave: | peptide nucleic acid; Alouatta; article; C banding; Cebidae; centromere; chromosome analysis; controlled study; female; fluorescence in situ hybridization; gene location; gene sequence; heterochromatin; male; microarray analysis; Neotropics; nonhuman; Platyrrhini; primate; priority journal; signal transduction; telomere; Animals; Base Sequence; Chromosomes, Mammalian; Female; In Situ Hybridization, Fluorescence; Male; Platyrrhini; Telomere; Alouatta caraya; Alouatta guariba clamitans; Alouatta palliata; Aotus azarai; Ateles belzebuth chamek; Cebus; Platyrrhini; Primates; Saimiri boliviensis |
| Año: | 2007 |
| Volumen: | 119 |
| Número: | 3-4 |
| Página de inicio: | 221 |
| Página de fin: | 224 |
| DOI: | http://dx.doi.org/10.1159/000112064 |
| Título revista: | Cytogenetic and Genome Research |
| Título revista abreviado: | Cytogenet. Genome Res. |
| ISSN: | 14248581 |
| CODEN: | CGRYA |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14248581_v119_n3-4_p221_Mudry |
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Citas:
---------- APA ----------
Mudry, M.D., Nieves, M. & Bolzán, A.D. (2007) . Chromosomal localization of the telomeric (TTAGGG)n sequence in eight species of New World Primates (Neotropical Primates, Platyrrhini). Cytogenetic and Genome Research, 119(3-4), 221-224.http://dx.doi.org/10.1159/000112064
---------- CHICAGO ----------
Mudry, M.D., Nieves, M., Bolzán, A.D. "Chromosomal localization of the telomeric (TTAGGG)n sequence in eight species of New World Primates (Neotropical Primates, Platyrrhini)" . Cytogenetic and Genome Research 119, no. 3-4 (2007) : 221-224.http://dx.doi.org/10.1159/000112064
---------- MLA ----------
Mudry, M.D., Nieves, M., Bolzán, A.D. "Chromosomal localization of the telomeric (TTAGGG)n sequence in eight species of New World Primates (Neotropical Primates, Platyrrhini)" . Cytogenetic and Genome Research, vol. 119, no. 3-4, 2007, pp. 221-224.http://dx.doi.org/10.1159/000112064
---------- VANCOUVER ----------
Mudry, M.D., Nieves, M., Bolzán, A.D. Chromosomal localization of the telomeric (TTAGGG)n sequence in eight species of New World Primates (Neotropical Primates, Platyrrhini). Cytogenet. Genome Res. 2007;119(3-4):221-224.http://dx.doi.org/10.1159/000112064
