Fig. 3

BaSL2022 was placed into A.Br.153 clade within the TranEuroAsian genetic group based on core-genome SNP analysis. A Global distribution of BaSL2022 shown in a maximum likelihood tree. The phylogenetic tree was constructed using core-chromosome SNPs of the representative genomes described previously [22, 32, 39]. Lineages are categorized and labeled into traditional groups. The TEA group, including BaSL2022, is highlighted in red. B The specific position of BaSL2022 within the TEA group. The phylogenetic tree was constructed using the maximum likelihood model. It included 72 representative genomes from the TEA group, as well as BaSL2022, with the reference strain being Ames and serving as the outgroup. The tree was drawn to scale, accurately representing the length of the branches. Nodes with a bootstrapping value above 90 are indicated by a black circle, while those between 70 and 90 are indicated by a gray circle. The lineages are displayed with the isolate's name, country of isolation, and year of isolation. The color blocks on the leaves represent the genetic subgroups of the TEA group, and the nicknames of these subgroups are also displayed in colored blocks outside the lineages. The outer layer displays the canonical SNP groups of isolates within the TEA group using circular blocks. The BaSL2022 is marked with star and shown in blue