Dictionary » P » Prophage



The genome of a lysogenic bacteriophage when it is integrated into the chromosome of the host bacterium. The prophage is replicated as part of the host chromosome.

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Induction of Lytic Cycle

How would a lytic cycle be induced when a prophage is dormant in its host's genome? I've read about lytic/lysogenic cycles a couple times but text books are always really vague about what would cause an induction. Does anyone know of any examples?

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by Jules19
Tue Jan 12, 2010 3:32 am
Forum: Microbiology
Topic: Induction of Lytic Cycle
Replies: 3
Views: 6699

How does it know?

... evolve. But is it not possible for the viruses DNA to be misread or mutated in some fashion when, for example, it is a lysogenic virus making a prophage from a bacteria? Regardless, viruses are dynamic and often species-specific, so there is no doubt the key lies in how the virus is similar ...

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by plasmodesmata11
Thu Dec 10, 2009 4:07 am
Forum: Cell Biology
Topic: How does it know?
Replies: 15
Views: 6391

prophage excision

Why, on rare occasions, do prophage get excised from the host chromosome? And the purpose of the excision?

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by Michelle22
Sun May 10, 2009 4:10 am
Forum: Microbiology
Topic: prophage excision
Replies: 1
Views: 1554

animal+plant Cell Mitosis Question

actually... the time when it devides.. as do the go on prophage also depend on the time you took the cells and make the preparation of it. as i know.. the plant cells ussually devide at 09.00 to 10.30. at that time, you may find the highest rate of ...

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by baikuza
Thu Oct 23, 2008 9:10 am
Forum: Cell Biology
Topic: animal+plant Cell Mitosis Question
Replies: 6
Views: 6384

Lytic and Lysogenic cycles

... to replication of the virus and subsequently to lysis of the bacterial cell lysogenic cycle: infection with viral DNA leads to replication of a prophage (a molecule of DNA )in the chromosome of the bacterial cell. The prophage is inactive, non-infective, but it will replicate each time the DNA ...

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by Nad
Thu Jul 17, 2008 9:39 am
Forum: Microbiology
Topic: Lytic and Lysogenic cycles
Replies: 1
Views: 26343
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