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Erschienen in: Archives of Virology 7/2008

01.07.2008 | Original Article

Analysis of some phenotypic traits of feces-borne temperate lambdoid bacteriophages from different immunity groups: a high incidence of cor+, FhuA-dependent phages

verfasst von: Javier Hernández-Sánchez, Arnulfo Bautista-Santos, Leonor Fernández, Rosa Ma Bermúdez-Cruz, Augusto Uc-Mass, Eva Martínez-Peñafiel, Mario A. Martínez, Jaime García-Mena, Gabriel Guarneros, Luis Kameyama

Erschienen in: Archives of Virology | Ausgabe 7/2008

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Abstract

A group of previously isolated heterogeneous mEp lambdoid phages (43) from 19 different immunity groups for phage infection was further characterized to gain insight into some phenotypic traits and to assess their relationship with phage λ. Interestingly, the FhuA host receptor was required by the majority of mEp phages (37 out of 43; ~85%). The cor gene, which has been reported to be involved in FhuA-dependent exclusion of lambdoid phages, was also found in most of the FhuA-dependent phages. Accordingly, no cor amplification by PCR was obtained among the six FhuA-independent mEp lambdoid phages. In contrast, it was found that around 25% of the population (10 out of 43 phages) required the specific and essential λ N antitermination function, and the λ site-specific DNA recombination function was observed only in two members (4.6%). Thus, a larger proportion of phages require the FhuA receptor for infection, and this is frequently correlated with the cor gene.
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Metadaten
Titel
Analysis of some phenotypic traits of feces-borne temperate lambdoid bacteriophages from different immunity groups: a high incidence of cor+, FhuA-dependent phages
verfasst von
Javier Hernández-Sánchez
Arnulfo Bautista-Santos
Leonor Fernández
Rosa Ma Bermúdez-Cruz
Augusto Uc-Mass
Eva Martínez-Peñafiel
Mario A. Martínez
Jaime García-Mena
Gabriel Guarneros
Luis Kameyama
Publikationsdatum
01.07.2008
Verlag
Springer Vienna
Erschienen in
Archives of Virology / Ausgabe 7/2008
Print ISSN: 0304-8608
Elektronische ISSN: 1432-8798
DOI
https://doi.org/10.1007/s00705-008-0111-0

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