IRIS publication 243940723
Prophage-like elements in bifidobacteria: Insights from genomics, transcription, integration, distribution, and phylogenetic analysis
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TY - JOUR - Ventura, M,Lee, JH,Canchaya, C,Zink, R,Leahy, S,Moreno-Munoz, JA,O'Connell-Motherway, M,Higgins, D,Fitzgerald, GF,O'Sullivan, DJ,van Sinderen, D - 2005 - December - Applied and Environmental Microbiology - Prophage-like elements in bifidobacteria: Insights from genomics, transcription, integration, distribution, and phylogenetic analysis - Validated - Altmetric: 2 () - SITE-SPECIFIC RECOMBINATION STREPTOCOCCUS-THERMOPHILUS LACTOBACILLUS-JOHNSONII GENE-TRANSFER PHAGE SEQUENCE BACTERIA BACTERIOPHAGES IDENTIFICATION GENERATION - 71 - 8692 - 8705 - So far, there is only fragmentary and unconfirmed information on bacteriophages infecting the genus Bifidobacterium. In this report we analyzed three prophage-like elements that are present in the genomes of Bifidobacterium breve UCC 2003, Bifidobacterium longum NCC 2705, and Bifidobacterium longum DJO10A, designated Bbr-1, Bl-1, and Blj-1, respectively. These prophagelike elements exhibit homology with genes of double-stranded DNA bacteriophages spanning a broad phylogenetic range of host bacteria and are surprisingly closely related to bacteriophages infecting low-G+C bacteria. All three prophage-like elements are integrated in a tRNA(Met) gene, which appears to be reconstructed following phage integration. Analysis of the distribution of this integration site in many bifidobacterial species revealed that the attB sites are well conserved. The Blj-1 prophage is 36.9 kb long and was induced when a B. longum DJO10A culture was exposed to mitomycin C or hydrogen peroxide. The Bbr-1 prophage-like element appears to consist of a noninducible 28.5-kb chimeric DNA fragment composed of a composite mobile element inserted into prophage-like sequences, which do not appear to be widely distributed among B. breve strains. Northern blot analysis of the Bbr-1 prophage-like element showed that large parts of its genome are transcriptionally silent. Interestingly, a gene predicted to encode an extracellular beta-glucosidase carried within the Bbr-1 prophage-like element was shown to be transcribed. - 10.1128/AEM.71.12.8692-8705.2005 DA - 2005/12 ER -
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@article{V243940723, = {Ventura, M and Lee, JH and Canchaya, C and Zink, R and Leahy, S and Moreno-Munoz, JA and O'Connell-Motherway, M and Higgins, D and Fitzgerald, GF and O'Sullivan, DJ and van Sinderen, D }, = {2005}, = {December}, = {Applied and Environmental Microbiology}, = {Prophage-like elements in bifidobacteria: Insights from genomics, transcription, integration, distribution, and phylogenetic analysis}, = {Validated}, = {Altmetric: 2 ()}, = {SITE-SPECIFIC RECOMBINATION STREPTOCOCCUS-THERMOPHILUS LACTOBACILLUS-JOHNSONII GENE-TRANSFER PHAGE SEQUENCE BACTERIA BACTERIOPHAGES IDENTIFICATION GENERATION}, = {71}, pages = {8692--8705}, = {{So far, there is only fragmentary and unconfirmed information on bacteriophages infecting the genus Bifidobacterium. In this report we analyzed three prophage-like elements that are present in the genomes of Bifidobacterium breve UCC 2003, Bifidobacterium longum NCC 2705, and Bifidobacterium longum DJO10A, designated Bbr-1, Bl-1, and Blj-1, respectively. These prophagelike elements exhibit homology with genes of double-stranded DNA bacteriophages spanning a broad phylogenetic range of host bacteria and are surprisingly closely related to bacteriophages infecting low-G+C bacteria. All three prophage-like elements are integrated in a tRNA(Met) gene, which appears to be reconstructed following phage integration. Analysis of the distribution of this integration site in many bifidobacterial species revealed that the attB sites are well conserved. The Blj-1 prophage is 36.9 kb long and was induced when a B. longum DJO10A culture was exposed to mitomycin C or hydrogen peroxide. The Bbr-1 prophage-like element appears to consist of a noninducible 28.5-kb chimeric DNA fragment composed of a composite mobile element inserted into prophage-like sequences, which do not appear to be widely distributed among B. breve strains. Northern blot analysis of the Bbr-1 prophage-like element showed that large parts of its genome are transcriptionally silent. Interestingly, a gene predicted to encode an extracellular beta-glucosidase carried within the Bbr-1 prophage-like element was shown to be transcribed.}}, = {10.1128/AEM.71.12.8692-8705.2005}, source = {IRIS} }
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AUTHORS | Ventura, M,Lee, JH,Canchaya, C,Zink, R,Leahy, S,Moreno-Munoz, JA,O'Connell-Motherway, M,Higgins, D,Fitzgerald, GF,O'Sullivan, DJ,van Sinderen, D | ||
YEAR | 2005 | ||
MONTH | December | ||
JOURNAL_CODE | Applied and Environmental Microbiology | ||
TITLE | Prophage-like elements in bifidobacteria: Insights from genomics, transcription, integration, distribution, and phylogenetic analysis | ||
STATUS | Validated | ||
TIMES_CITED | Altmetric: 2 () | ||
SEARCH_KEYWORD | SITE-SPECIFIC RECOMBINATION STREPTOCOCCUS-THERMOPHILUS LACTOBACILLUS-JOHNSONII GENE-TRANSFER PHAGE SEQUENCE BACTERIA BACTERIOPHAGES IDENTIFICATION GENERATION | ||
VOLUME | 71 | ||
ISSUE | |||
START_PAGE | 8692 | ||
END_PAGE | 8705 | ||
ABSTRACT | So far, there is only fragmentary and unconfirmed information on bacteriophages infecting the genus Bifidobacterium. In this report we analyzed three prophage-like elements that are present in the genomes of Bifidobacterium breve UCC 2003, Bifidobacterium longum NCC 2705, and Bifidobacterium longum DJO10A, designated Bbr-1, Bl-1, and Blj-1, respectively. These prophagelike elements exhibit homology with genes of double-stranded DNA bacteriophages spanning a broad phylogenetic range of host bacteria and are surprisingly closely related to bacteriophages infecting low-G+C bacteria. All three prophage-like elements are integrated in a tRNA(Met) gene, which appears to be reconstructed following phage integration. Analysis of the distribution of this integration site in many bifidobacterial species revealed that the attB sites are well conserved. The Blj-1 prophage is 36.9 kb long and was induced when a B. longum DJO10A culture was exposed to mitomycin C or hydrogen peroxide. The Bbr-1 prophage-like element appears to consist of a noninducible 28.5-kb chimeric DNA fragment composed of a composite mobile element inserted into prophage-like sequences, which do not appear to be widely distributed among B. breve strains. Northern blot analysis of the Bbr-1 prophage-like element showed that large parts of its genome are transcriptionally silent. Interestingly, a gene predicted to encode an extracellular beta-glucosidase carried within the Bbr-1 prophage-like element was shown to be transcribed. | ||
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DOI_LINK | 10.1128/AEM.71.12.8692-8705.2005 | ||
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