Chromosome number is the most basic feature concerning the genome of a species, and it is known for about one third of higher plant species. In particular, for plants of Italy, Slovakia, and Poland, online chromosome number databases have been developed: ‘Chrobase.it – Chromosome numbers for the Italian flora’, ‘Karyological database of ferns and flowering plants of Slovakia’ and ‘Chromosome number database – PLANTS’, respectively. The three datasets account for about 35%, 60% and 40% of the whole floras, respectively.
“We used these datasets to compare chromosome number variation among plants of the three countries, with the aim to verify whether the patterns of chromosome number variation parallel the differences in latitudinal ranges” said Dr Peruzzi, leading author of the article, published in the open access journal Comparative Cytogenetics.
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