The phylogenetic lineage leading to this group is enriched for non-synonymous changes within the genomic area of Salmonella pathogenicity island 1 suggesting that these genes are important for host adaptation. Molecular clock analysis revealed that this novel clade may have originated as recently as a few decades ago. olivacea formed a single clade distinct from other S. olivacea, and phylogenetic analysis from whole genome sequencing showed that the isolates from L. Typhimurium was the only Salmonella serovar detected in L. Stranded animals were 12 times more likely than pelagic animals to have Salmonella-induced nephritis suggesting that Salmonella may have been a contributing cause of stranding. Seven percent (9/127) of pelagic and 47% (21/44) of stranded turtles had renal granulomas associated with S. Between 19, we necropsied 127 apparently healthy pelagic olive ridley turtles (Lepidochelys olivacea) that died from drowning bycatch in fisheries and 44 live or freshly dead stranded turtles from the west coast of North and Central America and Hawaii. enterica serovar Typhimurium or lesions associated with Salmonella are rare in turtles. are frequently shed by wildlife including turtles, but S.
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