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Abstract:

In this study we have analysed and compared the genomic composition, meiotic behaviour, and meiotic affinities of Zea perennis and Zea mays ssp. mays. To do so we studied the parental taxa and the interspecific hybrid Zea perennis x Zea mays ssp. mays, using classical cytogenetic methods, as well as GISH and FISH. GISH enabled us to recognize the genomic source of each chromosome involved in the meiotic configurations of this hybrid, and established the genomic affinities between their parental species. The results obtained here reinforce the hypothesis of the amphiploid origin of Zea perennis and, together with previous research, indicate that the chromosomes with divergent repetitive sequences in maize and Zea luxurians could be the remnants of a relict parental genome not shared with Zea perennis. © Springer 2006.

Registro:

Documento: Artículo
Título:Genomic affinities between maize and Zea perennis using classical and molecular cytogenetic methods (GISH-FISH)
Autor:González, G.; Comas, C.; Confalonieri, V.; Naranjo, C.A.; Poggio, L.
Filiación:Instituto Fitotécnico de Santa Catalina (FCAF, UNLP), CIGen (CONICET-UNLP-CIC), C.C. 4, 1836 Llavallol, Buenos Aires, Argentina
Departamento de Ecología, Genética Y Evolución (FCEN, UBA), Buenos Aires, Argentina
Liniers No. 1169 Dpto. B. Témperley, C.P. 1834, Buenos Aires, Argentina
Palabras clave:Amphiploidy; GISH-FISH; Hybrids; In-situ hybridization; Meiosis; Zea; plant DNA; allopolyploidy; amino acid sequence; amphiploidy; article; fluorescence in situ hybridization; genomic in situ hybridization; interspecific hybrid; maize; meiosis; molecular evolution; nonhuman; priority journal; Zea luxurians; Zea perennis; Chromosomes, Plant; Crosses, Genetic; DNA, Plant; Genome, Plant; In Situ Hybridization, Fluorescence; Meiosis; Species Specificity; Zea mays; Zea; Zea luxurians; Zea mays; Zea perennis
Año:2006
Volumen:14
Número:6
Página de inicio:629
Página de fin:635
DOI: http://dx.doi.org/10.1007/s10577-006-1072-3
Título revista:Chromosome Research
Título revista abreviado:Chromosome Res.
ISSN:09673849
CODEN:CRRSE
CAS:DNA, Plant
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09673849_v14_n6_p629_Gonzalez

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Citas:

---------- APA ----------
González, G., Comas, C., Confalonieri, V., Naranjo, C.A. & Poggio, L. (2006) . Genomic affinities between maize and Zea perennis using classical and molecular cytogenetic methods (GISH-FISH). Chromosome Research, 14(6), 629-635.
http://dx.doi.org/10.1007/s10577-006-1072-3
---------- CHICAGO ----------
González, G., Comas, C., Confalonieri, V., Naranjo, C.A., Poggio, L. "Genomic affinities between maize and Zea perennis using classical and molecular cytogenetic methods (GISH-FISH)" . Chromosome Research 14, no. 6 (2006) : 629-635.
http://dx.doi.org/10.1007/s10577-006-1072-3
---------- MLA ----------
González, G., Comas, C., Confalonieri, V., Naranjo, C.A., Poggio, L. "Genomic affinities between maize and Zea perennis using classical and molecular cytogenetic methods (GISH-FISH)" . Chromosome Research, vol. 14, no. 6, 2006, pp. 629-635.
http://dx.doi.org/10.1007/s10577-006-1072-3
---------- VANCOUVER ----------
González, G., Comas, C., Confalonieri, V., Naranjo, C.A., Poggio, L. Genomic affinities between maize and Zea perennis using classical and molecular cytogenetic methods (GISH-FISH). Chromosome Res. 2006;14(6):629-635.
http://dx.doi.org/10.1007/s10577-006-1072-3