Please use this identifier to cite or link to this item: http://hdl.handle.net/2067/1541
Title: Cytology of Vicia species. X. Karyotype evolution and phylogenetic implication in Vicia species of the sections Atossa, Microcarinae, Wiggersia and Vicia
Authors: Ruffini Castiglione, Monica
Frediani, Manuela
Gelati, Maria Teresa
Ravalli, Concetta
Venora, Gianfranco
Caputo, Paolo
Cremonini, Roberto
Keywords: Automated karyotype analysis;rRNA genes;Phylogeny;Internal transcribed spacer
Issue Date: 2010
Publisher: Springer-Verlag
Source: Ruffini Castiglione, M. et al. 2010. Cytology of Vicia species. X. Karyotype evolution and phylogenetic implication in Vicia species of the sections Atossa, Microcarinae, Wiggersia and Vicia. "Protoplasma" 1-10
Abstract: 
Automated karyotype analyses and sequence of
rDNA spacers have been analysed for the species belonging
to sections Atossa, Microcarinae, Wiggersia and Vicia.
Karyomorphological parameters, based on Rec, Syi and TF
% indices, have been determined and evidenced that, in
term of symmetry, the karyotype of Vicia lathyroides was
the most asymmetric one. A multivariate analysis using 34
karyological parameters, in addition to the symmetry
indices, has been carried out and the corresponding
dendrogram of linkage distances showed six different
groups. Molecular investigations on the inclusive group in
study by employing ITS DNA sequences indicated a
different pattern of relationships. The cladistic analysis
combining the molecular data set with karyological parameters
evidenced that the species of sections Vicia and Atossa
join closely to each other in a paraphyletic group, which
includes the monophyletic section Wiggersia. Therefore,
our karyological and molecular data provide information
about the phylogenetic position of the analysed species
inside the subgenus Vicia and are discussed in relation to
previous results obtained by morphology, isozymes and
ribosomal genes analyses.
Description: 
L'articolo è disponibile sul sito dell'editore: http://www.springerlink.com
URI: http://hdl.handle.net/2067/1541
DOI: 10.1007/s00709-010-0232-7
Appears in Collections:DABAC - Archivio della produzione scientifica

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