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prophage

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prophage
prophage Biol. (ˈprəʊfeɪdʒ) [Contraction of F. probactériophage (Lwoff & Gutmann 1950, in Ann. de l'Inst. Pasteur LXXVIII. 734): see pro-2 and phage.] The form which a temperate phage has in a lysogenic bacterium: it is incorporated into and replicates with the bacterial genome, and is only potentia... Oxford English Dictionary
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Prophage
called prophage induction. DNA and existing in a prophage state. wikipedia.org
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Prophage Hp1 holin family
The Prophage Hp1 Hol (Hp1Hol) Family (TC# 1.E.46) consists of a single putative holin (TC# 1.E.46.1.1) of 69 amino acyl residues in length, exhibiting wikipedia.org
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How does a prophage leave the host cell's genome? I understand that, unlike a prophage, a provirus never leaves the genome, but I don't understand how the prophage "leaves".
This means that in the prophage form the phage DNA is flanked by direct repeats.
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Moron (bacteriophage)
A moron, in the context of bacteriophage genetics, is an extra gene in a prophage genome without a function in the phage's lysogenic cycle. wikipedia.org
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provirus
provirus Biol. (prəʊˈvaɪərəs) [f. pro-2 + virus, after prophage.] The form which a DNA or RNA virus has when incorporated into, and able to replicate with, the DNA of a host cell.1952 Physiol. Rev. XXXII. 419 Most of the cells perpetuate the potentiality of producing virus, although the virus itself... Oxford English Dictionary
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Phage typing
The bacterial strain carrying the prophage is known as a lysogenic strain. The prophage may be chemically or physically induced to revert to the lytic pathway. wikipedia.org
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Which strains of C. diphteria are causing Diphteria toxin? I got this question: **Diphteria toxin is produced only by those strains of C. diphtheria that have which of the following characteristics?** 1. Encapsula...
Often called "phage beta" b-prophage is a more modern way to write it.
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Bacteriophage P2
Lysogenic cycle Prophage integration During lysogenic cycle, P2 genome is inserted into the host chromosome and maintained as a prophage. Furthermore, even if C repressor is inactivated, the P2 prophage is unable to excise, due to lack of int expression. wikipedia.org
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CTXφ bacteriophage
plasmid form of the viral genome, pCTX. pCTX can undergo DNA replication to create new ssDNA genomes and/or be incorporated into the bacterial genome as a prophage Because this prophage can be present in tandem in some biotypes of V. cholerae, horizontal gene transfer and vertical transmission of the added CTXφ genes wikipedia.org
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Bacillus subtilis type I antitoxin SR6
YonT/SR6 system is located on the SPβ prophage of the B. subtilis chromosome and it was shown to be multi-stress responsive. wikipedia.org
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SaPI
Mechanism SaPI DNA is maintained in a prophage-like state under the control of a master repressor and is induced to excise and replicate by helper phages The production of these transformed SaPI2s, known as antibacterial drones (ABDs), is greatly enhanced by deleting the helper prophage’s terS gene so that wikipedia.org
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Temperateness (virology)
not all) temperate phages can integrate their genomes into their host bacterium's chromosome, together becoming a lysogen as the phage genome becomes a prophage A temperate phage is also able to undergo a productive, typically lytic life cycle, where the prophage is expressed, replicates the phage genome, and produces wikipedia.org
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Lysogen
A prophage is either integrated into the host bacteria's chromosome or more rarely exists as a stable plasmid within the host cell. The prophage expresses gene(s) that repress the phage's lytic action, until this repression is disrupted (see lytic cycle). wikipedia.org
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Zygotic induction
Zygotic induction was discovered while the location of prophage λ was being mapped using Hfr x F− matings. If mating terminated before the prophage was transferred, phage was not produced, and recombination proceeded in the zygote. wikipedia.org
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