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. 2022 Mar 14;88(7):e02513-21. doi: 10.1128/aem.02513-21

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FIG 1 — Phylogenetic analysis of E. amylovora based on the presence and order of CRR1, CRR2, and CRR4 spacers. The phylogeny has a bootstrap value of 1000 and was visualized in iTOL with a cutoff of 70%. colors indicate the phylogenetic clade, as previously determined through chromosomal analysis (7), associated with each isolate and the labels indicating the associated CRISPR group: red, widely prevalent; blue, western North American; green, eastern North American; orange, B-Group; purple, Rubus-infecting. Isolate IVIA2303(*) had a truncated CRR2 array attributed to poor sequence sequencing.