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. 2003 Aug;185(15):4648–4656. doi: 10.1128/JB.185.15.4648-4656.2003

FIG. 1.

FIG. 1.

Phylogeny of Photorhabdus strains (Table 1) highlighting the two groups showing orally toxic culture supernatants. Note that oral toxicity is found in two well-supported subspecies, P. luminescens subsp. akhurstii and P. luminescens subsp luminescens (termed groups 1 and 2). The tree was constructed by using Kimura's two-parameter model of distance estimation and running 1,000 bootstrap replicates with the MEGA program (Molecular Evolutionary Genetics Analysis, version 2.1; Arizona State University).