Document Detail

Evaluation of ploidy level and endoreduplication in carnation (Dianthus spp.).
MedLine Citation:
PMID:  23352398     Owner:  NLM     Status:  In-Data-Review    
Carnation (Dianthus caryophyllus L.) is one of the fifth most important ornamental species worldwide. Many desirable plant characteristics, such as big size, adaptation under stress, and intra or interspecific hybridization capability, are dependent on plant ploidy level. We optimized a quick flow cytometry method for DNA content determination in wild and cultivated carnation samples that allowed a systematic evaluation of ploidy levels in Dianthus species. The DNA content of different carnation cultivars and wild Dianthus species was determined using internal reference standards. The precise characterization of ploidy, endoreduplication and C-value of D. caryophyllus 'Master' makes it a suitable standard cultivar for ploidy level determination in other carnation cultivars. Mixoploidy was rigorously characterized in different regions of several organs from D. caryophyllus 'Master', which combined with a detailed morphological description suggested some distinctive developmental traits of this species. Both the number of endoreduplication cycles and the proportion of endopolyploid cells were highly variable in the petals among the cultivars studied, differently to the values found in leaves. Our results suggest a positive correlation between ploidy, cell size and petal size in cultivated carnation, which should be considered in breeding programs aimed to obtain new varieties with large flowers.
María Ángeles Agulló-Antón; Enrique Olmos; José Manuel Pérez-Pérez; Manuel Acosta
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Publication Detail:
Type:  Journal Article     Date:  2012-11-28
Journal Detail:
Title:  Plant science : an international journal of experimental plant biology     Volume:  201-202     ISSN:  1873-2259     ISO Abbreviation:  Plant Sci.     Publication Date:  2013 Mar 
Date Detail:
Created Date:  2013-01-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9882015     Medline TA:  Plant Sci     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  1-11     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 Elsevier Ireland Ltd. All rights reserved.
Departamento de Biología Vegetal (Fisiología Vegetal), Universidad de Murcia, 30100 Murcia, Spain.
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