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A Transducing Bacteriophage Infecting Staphylococcus epidermidis Contributes to the Expansion of a Novel Siphovirus Genus and Implies the Genus Is Inappropriate for Phage Therapy.
Andrews, Taylor; Hoyer, J Steen; Ficken, Karolyn; Fey, Paul D; Duffy, Siobain; Boyd, Jeffrey M.
Afiliação
  • Andrews T; Department of Biochemistry and Microbiology, Rutgers University, New Brunswick, New Jersey, USA.
  • Hoyer JS; Department of Ecology, Evolution, and Natural Resources, Rutgers University, New Brunswick, New Jersey, USA.
  • Ficken K; Department of Biochemistry and Microbiology, Rutgers University, New Brunswick, New Jersey, USA.
  • Fey PD; University of Nebraska Medical Center, University of Nebraska, Omaha, Nebraska, USA.
  • Duffy S; Department of Ecology, Evolution, and Natural Resources, Rutgers University, New Brunswick, New Jersey, USA.
  • Boyd JM; Department of Biochemistry and Microbiology, Rutgers University, New Brunswick, New Jersey, USA.
mSphere ; 8(3): e0052422, 2023 Jun 22.
Article em En | MEDLINE | ID: mdl-37017574
ABSTRACT
The effort to discover novel phages infecting Staphylococcus epidermidis contributes to both the development of phage therapy and the expansion of genome-based phage phylogeny. Here, we report the genome of an S. epidermidis-infecting phage, Lacachita, and compare its genome with those of five other phages with high sequence identity. These phages represent a novel siphovirus genus, which was recently reported in the literature. The published member of this group was favorably evaluated as a phage therapeutic agent, but Lacachita is capable of transducing antibiotic resistance and conferring phage resistance to transduced cells. Members of this genus may be maintained within their host as extrachromosomal plasmid prophages, through stable lysogeny or pseudolysogeny. Therefore, we conclude that Lacachita may be temperate and members of this novel genus are not suitable for phage therapy. IMPORTANCE This project describes the discovery of a culturable bacteriophage infecting Staphylococcus epidermidis that is a member of a rapidly growing novel siphovirus genus. A member of this genus was recently characterized and proposed for phage therapy, as there are few phages currently available to treat S. epidermidis infections. Our data contradict this, as we show Lacachita is capable of moving DNA from one bacterium to another, and it may be capable of maintaining itself in a plasmid-like state in infected cells. These phages' putative plasmid-like extrachromosomal state appears to be due to a simplified maintenance mechanism found in true plasmids of Staphylococcus and related hosts. We suggest Lacachita and other identified members of this novel genus are not suitable for phage therapy.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Bacteriófagos / Terapia por Fagos Idioma: En Revista: MSphere Ano de publicação: 2023 Tipo de documento: Article País de afiliação: Estados Unidos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Bacteriófagos / Terapia por Fagos Idioma: En Revista: MSphere Ano de publicação: 2023 Tipo de documento: Article País de afiliação: Estados Unidos