Journal: bioRxiv
Article Title: The phytopathogenic nature of Dickeya aquatica 174/2 and the dynamic early evolution of Dickeya pathogenicity
doi: 10.1101/568105
Figure Lengend Snippet: Maximal likelihood phylogeny (left) of 1,341 Dickeya single copy protein families (50 sequences, 414,696 amino acid positions). The tree was computed with IQ-TREE with the LG+C60 model and rooted using Serratia ATCC 39006. Numbers associated to branches correspond to ultrafast bootstrap values. The scale bar corresponds to evolutionary distance (i.e. the average number of the substitutions inferred per site). The table (right) corresponds to the S AB association coefficient computed for each pair of strains as S AB =(100×2 N AB )/( N A + N B ), in which N A is the number of protein families present in strain A, N B is the number of protein families present in strain B and N AB is the number of protein families shared by strain A and strain B. This coefficient ranged from 0 when both strains do not share any gene family to 100 when all the families present in strain A were also present in strain B. The figure was generated using Evolview .
Article Snippet: Yet, the large evolutionary distance between ATCC 39006 strain and Dickeya (Supplementary Figure S1), its lower GC content (49.2% vs 52.6 - 56.9% in Dickeya ) (Supplementary Table S3), and the lower number of protein families shared between ATCC 39006 and Dickeya (60.5%) compared to between Dickeya species (64.7% - 89.6%, Supplementary Table S5), suggested that strain ATCC 39006 does not belong to Dickeya and represents rather a close but distinct lineage, possibly a new genus, that we propose to call Prodigiosinella , with strain ATCC 39006 being reclassified as Prodigiosinella confusarubida .
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