defective interfering particle

Defective genomes modulate respiratory syncytial virus pathogenesis

2 Comments / Basic virology / By

During viral replication, defective genomes may arise that lack essential sequences. These so-called defective genomes cannot replicate unless they are in the same cell as a helper virus. Defective genomes play a role in modulating pathogenesis of respiratory syncytial virus in humans. Copy-back defective viral genomes (cbDVGs) of RSV arise when the viral RNA polymerase …

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TWiV 481: And biles to go before I delete

3 Comments / This Week in Virology / By

The TWiVodrome considers the intestinal tract as an alternative infection route for MERS coronavirus, and how reduced accumulation of defective viral RNAs might lead to severe influenza. <span data-mce-type=”bookmark” style=”display: inline-block; width: 0px; overflow: hidden; line-height: 0;” class=”mce_SELRES_start”></span>&lt;span data-mce-type=”bookmark” style=”display: inline-block; width: 0px; overflow: hidden; line-height: 0;” class=”mce_SELRES_start”&gt;&lt;/span&gt;&amp;lt;span data-mce-type=”bookmark” style=”display: inline-block; width: 0px; overflow: hidden; …

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