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  1. Article

    Open Access

    Whole genome sequencing and comparative genomic analyses of two Vibrio cholerae O139 Bengal-specific Podovirusesto other N4-like phages reveal extensive genetic diversity

    Vibrio cholerae O139 Bengal is the only serogroup other than O1 implicated in cholera epidemics. We describe the isolation and characterization of an O139 serogroup-specific phage, vB_VchP_VchO139-I (ϕVchO139-I) ...

    Derrick E Fouts, Jochen Klumpp, Kimberly A Bishop-Lilly… in Virology Journal (2013)

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  2. Article

    Open Access

    Whole genome sequencing of phage resistant Bacillus anthracismutants reveals an essential role for cell surface anchoring protein CsaB in phage AP50c adsorption

    Spontaneous Bacillus anthracis mutants resistant to infection by phage AP50c (AP50R) exhibit a mucoid colony phenotype and secrete an extracellular matrix.

    Kimberly A Bishop-Lilly, Roger D Plaut, Peter E Chen, Arya Akmal… in Virology Journal (2012)

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  3. No Access

    Protocol

    Isolation of Knotted DNA from Coliphage P4

    Type II topoisomerases readily remove knots from DNA (1). Removal of knots can be assayed by gel electrophoresis (1), and this provides a convenient assay for type II topoisomerase activity, even in crude extract...

    Morten Isaksen, Bryan Julien, Richard Calendar… in DNA Topoisomerase Protocols (1999)

  4. No Access

    Book

    The Bacteriophages

    Richard Calendar in The Viruses (1988)

  5. No Access

    Article

    Viral Transactivation

    Transactivation is a term that was coined to describe the induction of lambda phage late gene expression by lambda gene Q, which blocks transcription termination. Transactivation is also used to describe two phen...

    Richard Calendar in Bio/Technology (1986)

  6. No Access

    Article

    Genetic analysis of bacteriophage P4 using P4-plasmid ColE1 hybrids

    A set of plasmids that contain fragments of the bacteriophage P4 genome has been constructed by deleting portions of a P4-ColE1 hybrid. A P4 genetic map has been established and related to the physical map by ...

    Michael Kahn, David Ow, Brian Sauer… in Molecular and General Genetics MGG (1980)

  7. No Access

    Article

    Control of prokaryotic gene expression

    The Operon.

    Richard Calendar in Nature (1979)

  8. No Access

    Chapter

    The P 2–P 4 Transactivation System

    The interactions between bacteriophage P 2 and its satellite phage P 4 comprise a promising model system for studying the control of transcription because the two phage have relatively small and therefore trac...

    Richard Calendar, Janet Geisselsoder, Melvin G. Sunshine… in Regulation and Genetics (1977)

  9. No Access

    Chapter

    Head Size Determination and the Morphogenesis of Satellite Phage P4

    Satellite phage P4 is a virus which can only make plaques on E. coli strains which carry P2 or a related helper prophage (Six, 1963; Six and Klug, 1973). P4 requires all the head and tail genes of its helper prop...

    Richard Goldstein, Judith Lengyel… in Current Topics in Microbiology and Immunol… (1974)