Pantailocins: Phage-derived Bacteriocins fromPantoea ananatisandPantoea stewartiisubsp.indologenes

Author:

Stice Shaun PORCID,Jan Hsiao-Hsuan,Chen Hsiao-Chun,Nwosu Linda,Shin Gi YoonORCID,Weaver SavannahORCID,Coutinho TeresaORCID,Kvitko Brian HORCID,Baltrus David A.ORCID

Abstract

AbstractPhage-derived bacteriocins are highly specific and effective antimicrobial molecules which have successfully been used as prophylactic treatments to prevent phytopathogen infections. Given the specificity of tailocins, a necessary step for broadening the tailocin catalog and for extending applicability across systems and diseases is the screening of new clades of phytopathogens for production of molecules with tailocin-like killing activity. Here, we describe production by and sensitivity of strains to tailocins produced byPantoea ananatisandPantoea stewartiisubsp.indologenes. Phylogenetic evidence suggests that these tailocins are derived from Myoviridae family phage like many previously described R type syringacins and R type pyocins, but also suggests that cooption from phage occurred independently of previously described tailocins. Since these tailocin encoding loci are present in the same genomic locations across multiple strains of both species and display a level of divergence that is consistent with other shared regions between the genomes and with vertical inheritance of the locus, we refer to them broadly as ‘pantailocins’.

Publisher

Cold Spring Harbor Laboratory

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