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Host cell

Definition

noun, plural: host cells

(1) A cell that harbors foreign molecules, viruses, or microorganisms. For example, a cell being host to a virus.

(2) A cell that has been introduced with DNA (or RNA), such as a bacterial cell acting as a host cell for the DNA isolated from a bacteriophage.


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Newbie question about the first life

... can create such globules, which are not really the ancestors of the cell , but they show the complex chemical interactions that could've led ... theories about their presence in cells. One of them says that the first host that "swallowed" one was a eukaryotic cell, the other one ...

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by piscilactovegetarian
Fri Feb 28, 2014 12:10 am
 
Forum: Molecular Biology
Topic: Newbie question about the first life
Replies: 14
Views: 9424

A theoretical question - Genetic manipulation

... introduce a set of genes required for ethanol synthesis directly into a host? In terms of natural immunity, the mechanism is the same one that prevents ... viruses from causing disease in unrelated organisms - differences in cell membranes and/or cellular metabolism.

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by Cat
Sun Dec 08, 2013 6:49 pm
 
Forum: Microbiology
Topic: A theoretical question - Genetic manipulation
Replies: 4
Views: 4453

Living or not? (viruses,viroids and prions).

... predators, only carrying as much DNA or RNA necessary to hijack their host and make extra copies of themselves. The newly discovered virus, called ... its host, the viral genome carried a lot of genes that replaced basic cellular functions, including some involved in DNA repair and the manufacturing ...

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by Sumanth001
Sun Dec 08, 2013 12:37 pm
 
Forum: Microbiology
Topic: Living or not? (viruses,viroids and prions).
Replies: 15
Views: 10393

Living or not? (viruses,viroids and prions).

... with viruses. They're no ordinary parasites, they're obligate intracellular parasites , entering inside the cells of their hosts as a requirement for survival (thus making it "obligatory"). The chlamydias ...

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by wildfunguy
Thu Oct 17, 2013 10:20 pm
 
Forum: Microbiology
Topic: Living or not? (viruses,viroids and prions).
Replies: 15
Views: 10393

Re:

... group of viruses (mimiviruses) show even their own metabolism outside a host. JackBean: Where did you get the stuff about metabolism outside a host? ... lack genes for ribosomal proteins, making mimivirus dependent on a host cell for protein translation and energy metabolism. http://en.wikipedia.org/wiki/Mimivirus

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by wildfunguy
Sun Sep 29, 2013 4:16 pm
 
Forum: Microbiology
Topic: Living or not? (viruses,viroids and prions).
Replies: 15
Views: 10393
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