models of genomes evolution are based on the analysis of DNA
sequences, SNPs, mutations, and so on. We have recently investigated
the use of core (\emph{i.e.}, common genes) and pan genomes to infer
-evolutionary information on a collection of 107 chloroplasts. In
+evolutionary information on a collection of 99~chloroplasts. In
particular, we have regarded methods to build a genes content
evolutionary tree using distances to core genome. However, the
production of reliable core and pan genomes is not an easy task, due
