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dc.contributor.author
Scaldaferro, Marisel Analía
dc.contributor.author
Grabiele, Mauro
dc.contributor.author
Seijo, Jose Guillermo
dc.contributor.author
Debat, Humberto Julio
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Romero, María Victoria
dc.contributor.author
Ducasse, Daniel Adrián
dc.contributor.author
Prina, Alberto Raul
dc.contributor.author
Moscone, Eduardo Alberto
dc.date.available
2016-05-17T16:15:41Z
dc.date.issued
2014-08
dc.identifier.citation
Scaldaferro, Marisel Analía; Grabiele, Mauro; Seijo, Jose Guillermo; Debat, Humberto Julio; Romero, María Victoria; et al.; Efficiency of cytogenetic methods in detecting a chromosome rearrangement induced by ionizing radiation in a cultivated chili pepper line (Capsicum baccatum var. pendulum-Solanaceae); Taylor & Francis; International Journal Of Radiation Biology; 90; 1; 8-2014; 104-112
dc.identifier.issn
0955-3002
dc.identifier.uri
http://hdl.handle.net/11336/5715
dc.description.abstract
Purpose: To locate transient chromosome aberrations on a selected pepper cultivar and determine the tracing efficiency of different cytogenetic methods.
Materials and methods: Seeds from Capsicum baccatum var. pendulum cultivar ‘Cayenne’ were treated with an acute dose of X-rays (300 Gy) and chromosome aberrations were analysed by different cytogenetic methods [Feulgen, silver staining for nucleolus organizer regions (silver positive nucleolus organizing regions or AgNOR), fluorescent banding, fluorescence in situ hybridization (FISH) and meiotic analysis].
Results: A rearranged chromosome carrying two nucleolus organizing regions (NOR) induced by ionizing radiation was detected in the cultivar, with the occurrence of a small reciprocal exchange between a chromosome of pair no. 1 and another chromosome of pair no. 3, both carrying active NOR in short arms and associated chromomycin A positive/diamidino-phenylindole negative (CMA+/DAPI−) heterochromatin. Meiotic analysis showed a quadrivalent configuration, confirming a reciprocal translocation between two chromosomes.
Conclusions: The use of X-rays in Capsicum allowed us to develop and identify a pepper line with structural rearrangements between two NOR-carrying chromosomes. We postulate that all the cytological techniques employed in this research were efficient in the search for chromosome aberrations. Particularly, Feulgen and AgNOR were the most suitable in those cases of transient rearrangements, whereas fluorescent banding and FISH were appropriate for intransitive ones.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Taylor & Francis
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Capsicum
dc.subject
Ionizing Radiation
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Chromosome Aberrations
dc.subject
Cytogenetic
dc.subject.classification
Genética y Herencia
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Efficiency of cytogenetic methods in detecting a chromosome rearrangement induced by ionizing radiation in a cultivated chili pepper line (Capsicum baccatum var. pendulum-Solanaceae)
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-01-05T16:33:21Z
dc.journal.volume
90
dc.journal.number
1
dc.journal.pagination
104-112
dc.journal.pais
Reino Unido
dc.journal.ciudad
Londres
dc.description.fil
Fil: Scaldaferro, Marisel Analía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Instituto Multidisciplinario de Biología Vegetal (p); Argentina
dc.description.fil
Fil: Grabiele, Mauro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Instituto Multidisciplinario de Biología Vegetal (p); Argentina
dc.description.fil
Fil: Seijo, Jose Guillermo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Nordeste. Instituto de Botánica del Nordeste (i); Argentina
dc.description.fil
Fil: Debat, Humberto Julio. Instituto Nacional de Tecnología Agropecuaria. Centro Nacional de Investigaciones Agropecuarias. Centro de Investigaciones de Ciencias Veterinarias y Agronómicas. Instituto de Fitopatologia y Fisiologia Vegetal; Argentina
dc.description.fil
Fil: Romero, María Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Instituto Multidisciplinario de Biología Vegetal (p); Argentina
dc.description.fil
Fil: Ducasse, Daniel Adrián. Instituto Nacional de Tecnología Agropecuaria. Centro Nacional de Investigaciones Agropecuarias. Centro de Investigaciones de Ciencias Veterinarias y Agronómicas. Instituto de Fitopatologia y Fisiologia Vegetal; Argentina
dc.description.fil
Fil: Prina, Alberto Raul. Instituto Nacional de Tecnología Agropecuaria. Centro Nacional de Investigaciones Agropecuarias. Centro de Investigación de Ciencias Veterinarias y Agronómicas. Instituto de Genética; Argentina
dc.description.fil
Fil: Moscone, Eduardo Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Instituto Multidisciplinario de Biología Vegetal (p); Argentina
dc.journal.title
International Journal Of Radiation Biology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/10.3109/09553002.2013.825064
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.tandfonline.com/doi/abs/10.3109/09553002.2013.825064
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.3109/09553002.2013.825064
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