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About viruses and viral disease

piRNA

Viruses That Jump Around

7 November 2019 by Gertrud U. Rey

Koala_climbing_treeby Gertrud U. Rey

Australian koalas are currently being invaded by koala retrovirus A (KoRV-A), a virus that causes an AIDS-like immunodeficiency and makes infected koalas more susceptible to cancers and opportunistic infections such as chlamydia.

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Filed Under: Basic virology, Gertrud Rey, Information Tagged With: genome integration, koala retrovirus, KOR-A, piRNA, piwi protein, retrotransposon, retrovirus, rna silencing, unspliced RNA, viral, virology, virus, viruses

TWiV 571: Piwi koalas

27 October 2019 by Vincent Racaniello

The League of Extraordinary Virologists celebrate the eradication of wild poliovirus type 3, and consider the effectiveness of an influenza vaccine produced in insect cells, and how small RNAs are protecting the Koala germline from retroviral invasion.

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Filed Under: This Week in Virology Tagged With: baculovirus, endogenous retrovirus, Flu, Flublock, Flucelvax, germline, HA, influenza, influenza vaccine, insect cell, Koala, koala retrovirus, piRNA, transposon, viral, virology, virus, viruses

TWiV 482: Don’t EVEome without antibody expressed

25 February 2018 by Vincent Racaniello

The TWiV Masters discuss serologic evidence of Ebolavirus infection in a population with no outbreaks, and the set of endogenous viral elements in the mosquito genome.

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Filed Under: This Week in Virology Tagged With: asymptomatic, ebolavirus, EBOV, elisa, endogenous viral element, EVEome, immunity, mosquito, piRNA, piwi, piwi-interacting RNA, serology, siRNA, transmission, viral, virology, virus, viruses

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by Vincent Racaniello

Earth’s virology Professor
Questions? virology@virology.ws

With David Tuller and
Gertrud U. Rey

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