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Abstract:

The genus Artemia is an interesting model organism for evolutionary studies since many factors driving speciation have been observed in the genus. It has been suggested that in this genus heterochromatin content could be a reliable criteria to establish taxonomic identity of populations. In the present work the heterochromatin content was determined in 4 populations of A. franciscana and seven populations of A. persimilis, six from Argentina and one from Chile. Heterochromatin was revealed by C-banding and the heterochromatin content (measured as chromocenter number and C-positive area in nauplii interphase nuclei) was compared. A standardized procedure to evaluate the heterochromatin content is here proposed so that the results from different laboratories could be compared. We analyze the intra and interspecific variation in heterochromatin content in the different Artemia populations and we discuss the value of this trait as a population and/or specific cytogenetic marker. © 2008 Taylor & Francis Group, LLC.

Registro:

Documento: Artículo
Título:Heterochromatin variation in artemia populations
Autor:Papeschi, A.G.; Lipko, P.; Amat, F.; Cohen, R.G.
Filiación:Laboratorio de Citogenética y Evolución, Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2. C1428EHA, Ciudad Autónoma, Buenos Aires, Argentina
Instituto de Acuicultura de Torre de la Sal 12595, Castellón, Spain
Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
Fellow of the Argentine Research Council (CONICET), Argentina
Palabras clave:Artemia; C-banding; Chromocenter number; Heterochromatin content; Artemia; Artemia franciscana; Artemia persimilis
Año:2008
Volumen:61
Número:1
Página de inicio:53
Página de fin:59
DOI: http://dx.doi.org/10.1080/00087114.2008.10589609
Título revista:Caryologia
Título revista abreviado:Caryologia
ISSN:00087114
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00087114_v61_n1_p53_Papeschi

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Citas:

---------- APA ----------
Papeschi, A.G., Lipko, P., Amat, F. & Cohen, R.G. (2008) . Heterochromatin variation in artemia populations. Caryologia, 61(1), 53-59.
http://dx.doi.org/10.1080/00087114.2008.10589609
---------- CHICAGO ----------
Papeschi, A.G., Lipko, P., Amat, F., Cohen, R.G. "Heterochromatin variation in artemia populations" . Caryologia 61, no. 1 (2008) : 53-59.
http://dx.doi.org/10.1080/00087114.2008.10589609
---------- MLA ----------
Papeschi, A.G., Lipko, P., Amat, F., Cohen, R.G. "Heterochromatin variation in artemia populations" . Caryologia, vol. 61, no. 1, 2008, pp. 53-59.
http://dx.doi.org/10.1080/00087114.2008.10589609
---------- VANCOUVER ----------
Papeschi, A.G., Lipko, P., Amat, F., Cohen, R.G. Heterochromatin variation in artemia populations. Caryologia. 2008;61(1):53-59.
http://dx.doi.org/10.1080/00087114.2008.10589609