Title: Erwinia amylovora phage vB_EamM_Y3 represents another lineage of hairy myoviridae
Authors : Buttimer, Colin
Born, Yannick
Lucid, Alan
Loessner, Martin J.
Fieseler, Lars
Coffey, Aidan
et. al : No
Published in : Research in Microbiology
Volume(Issue) : 169
Issue : 9
Pages : 505
Pages to: 514
Publisher / Ed. Institution : Elsevier
Issue Date: 2018
License (according to publishing contract) : Licence according to publishing contract
Type of review: Peer review (publication)
Language : English
Subjects : Erwinia amylovora; Genome; Hairy phage; Jumbo bacteriophage; Myoviridae; SAR endolysin; DNA replication; DNA, Viral; Endopeptidases; Erwinia amylovora; Myoviridae; Open reading frame; Phylogeny; DNA sequence analysis; Viral proteins; Virion; Viral genome
Subject (DDC) : 570: Biology
Abstract: To date, a small number of jumbo myoviruses have been reported to possess atypical whisker-like structures along the surface of their contractile tails. Erwinia amylovora phage vB_EamM_Y3 is another example. It possesses a genome of 261,365 kbp with 333 predicted ORFs. Using a combination of BLASTP, Interproscan and HHpred, about 21% of its putative proteins could be assigned functions involved in nucleotide metabolism, DNA replication, virion structure and cell wall degradation. The phage was found to have a signal-arrest-release (SAR) endolysin (Y3_301) possessing a soluble lytic transglycosylase domain. Like other SAR endolysins, inducible expression of Y3_301 caused Escherichia coli lysis, which is dependent on the presence of an N-terminal signal sequence. Phylogenetic analysis showed that its closest relatives are other jumbo phages including Pseudomonas aeruginosa phage PaBG and P. putida phage Lu11, sharing 105 and 87 homologous proteins respectively. Like these phages, Y3 also shares a distant relationship to Ralstonia solanacearum phage ΦRSL1 (sharing 55 homologous proteins). As these phages are unrelated to the Rak2-like group of hairy phages, Y3 along with Lu11 represent a second lineage of hairy myoviruses.
Departement: Life Sciences and Facility Management
Organisational Unit: Institute of Food and Beverage Innovation (ILGI)
Publication type: Article in scientific journal
DOI : 10.1016/j.resmic.2018.04.006
ISSN: 0923-2508
1769-7123
URI: https://digitalcollection.zhaw.ch/handle/11475/18411
Published as part of the ZHAW project : Mechanisms of phage resistance in Erwinia amylovora
Appears in Collections:Publikationen Life Sciences und Facility Management

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