Physical mapping of 45S and 5S rDNA in two Sprekelia formosissima cytotypes (Amaryllidaceae) through Fluorescent In Situ Hybridization (FISH)

Physical mapping of 45S and 5S rDNA in two Sprekelia formosissima cytotypes (Amaryllidaceae) through Fluorescent In Situ Hybridization (FISH)

Chromosome number and position of rDNA were studied in plants of Sprekelia formosissima (Amaryllidaceae) collected in two populations with different ploidy level (2n=2x=60 and 2n=5x=150). The 5S and 45S rRNA loci were localized and physically mapped using two-color fluorescence in situ hybridization...

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Bibliographic Details
Main Authors: José Manuel Rodríguez-Domínguez, Ernesto Tapia-Campos, Rodrigo Barba-Gonzalez
Format: Article
Language:English
Published: Firenze University Press 2021-04-01
Series:Caryologia
Subjects:
bulbous genus
karyogram
karyotypic formula
ornamental
plant chromosomes
ploidy level
Online Access:https://riviste.fupress.net/index.php/caryologia/article/view/578

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