Object's details: Molecular, physiological and phylogenetic traits of Lactococcus 936-type phages from distinct dairy environments

Provider:Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

Description

Title:
Molecular, physiological and phylogenetic traits of Lactococcus 936-type phages from distinct dairy environments
Creator:
Chmielewska-Jeznach, Magdalena;
Bardowski, Jacek K.;
Szczepankowska, Agnieszka K.
Description:
Bacteriophage infection of Lactococcus species can cause serious disruption of dairy fermentation processes. The most common isolates from the dairy environment are Siphoviridae lytic 936-type phages. To gain specific knowledge about this group of phages in Polish dairies, we examined 90 isolates from 8 different locations. Based on restriction fragment length polymorphism analysis, coupled with physiological and molecular studies, the isolated phages were divided into 8 distinct groups. Whole-genome sequencing of single representatives from each phage group provided data about their biology and genetic composition. The phages present an overall conserved genome organization. High sequence homology to another Polish isolate, Lactococcus phage bIBB29, indicates their close phylogenetic relatedness to this strain. Such similarity may be suggestive of a general genome conservation among phages persisting in Polish dairies. Comparative genome analyses with other 936-type phages revealed several discriminative traits, including the presence and position of HNH endonuclease genes, varying number of orfs in the early gene region, and a putative TpeX gene. Interestingly, host range of the sequenced phages was restricted to L . lactis subsp. lactis biovar. diacetylactis strains. The results provide new data regarding phages present in the Polish dairy environment and permit analysis of their biology, genome composition and relatedness to other Lactococcus 936-type phages.
Object availability:
free access
Date:
2018.08.22
Type:
Article;
PeerReviewed
Language:
English
Format:
application/pdf
Relation: http://eprints.ibb.waw.pl/1567 ;https://www.nature.com/articles/s41598-018-30371-3 ;DOI:10.1038/s41598-018-30371-3
Subject:
QR355 Virology
Identifier: http://eprints.ibb.waw.pl/1567/1/s41598-018-30371-3.pdf ;
Chmielewska-Jeznach, Magdalena and Bardowski, Jacek K. and Szczepankowska, Agnieszka K. (2018) Molecular, physiological and phylogenetic traits of Lactococcus 936-type phages from distinct dairy environments. Scientific Reports, 8 (12540). ISSN 2045-2322
Data provider:
Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

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Object's details: Molecular, physiological and phylogenetic traits of Lactococcus 936-type phages from distinct dairy environments

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