linkedin post 2016-03-01 07:59:15

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HELPER VIRUS. "DI viruses are defective because the deleted genome lacks an essential gene required for replication. In order to replicate, DI viruses require assistance of the infectious virus from which they were derived, or a genetically compatible related virus, to provide the missing gene products. This is referred to as a helper virus. DI virus production is optimal in the presence of a large amount of helper virus but as the DI virus replicates it reduces the yield of infectious helper virus." https://lnkd.in/egCZeY2 View in LinkedIn
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linkedin post 2016-03-01 07:56:32

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HYPOTHESIS. "One possibility is that DI viruses are evolutionarily important and in natural infections restrict the extent of damage caused to the host while allowing infectious virus to be produced. The host survives the infection and the virus is able to be disseminated to new susceptible hosts." https://lnkd.in/egCZeY2 View in LinkedIn
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linkedin post 2016-03-01 07:44:51

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DEFECTIVE DENGUE VIRUS. "From 2001 to 2002, it went from being quite rare to being in all nine people we sampled that year...Everyone sampled who was getting dengue fever was getting the defective version along with the functional virus. It rose from being rare to being very common in just one year." https://lnkd.in/eGjnM8R View in LinkedIn
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linkedin post 2016-03-02 05:09:15

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"RNA SILENCING DEFICIENT MUTANTS show enhanced expression of transposons. Transposons could trigger RNA silencing for two possible reasons: they often have multiple inverted repeats (IRs) that form dsRNA transcripts, and their high copy number could trigger silencing." https://lnkd.in/e_PqVyJ View in LinkedIn
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