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DIGITAL.CSIC
Article . 2009 . Peer-reviewed
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High meiotic association in a monoploid sugar beet plant

Authors: Cistué Sola, Luis; Romagosa, Ignacio; Lasa Dolhagaray, José Manuel;

High meiotic association in a monoploid sugar beet plant

Abstract

[ES] Se estudia la asociación cromosómica en metafase I, en una planta haploide de remolacha azucarera. En dicho estado, pudieron observarse la totalidad de las 30 configuraciones posibles, desde nueve univalentes a estructuras tipo-nonavalente. Más del 80% de las células madres del polen (PMC) mostraron entre 1 y 8 asociaciones cromosómicas. Variando el número medio de asociaciones por PMC, entre 2.17 y 3.25 según anteras. Se encontró que las asociaciones dependían fuertemente del medio ambiente, no pudiéndose detectar ningún patrón de distribución de las mismas. Aún no se conoce la naturaleza verdadera de estas asociaciones cromosómicas. Se piensa que la combinación de apareamiento verdadero, apareamiento entre no homólogos y otras interconexiones, fue la causante de las asociaciones cromosómicas. Sin embargo, se considera necesario la realización de estudios similares en otros genotipos.

[EN] Chromosome association at metaphase I was studied in a sugar beet haploid plant. All possible 30 different meiotic configuration, from nine univalents to a monovalent-like structure, were observed at this stage. More than 80% of the pollen mother cells (PMC) showed from one to eight chromosome bounds. The average number of chromosomes associated per PMC varied from 2.17 to 3.25 among anthers. Association was found to be very environment dependent, and no pattern in the distribution of chromosome bounds per PMC was detected.

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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