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MicrobeTV produces podcasts and videos about microbes, like This Week in Virology, This Week in Microbiology, This Week in Parasitism, This Week in Evolution, and Virus Watch. We love all microbes, and our goal is to make the microbial sciences easily understood. We would like your support to help us produce a steady stream of podcasts, and videos with great …

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Wasps do a gain-of-function experiment in caterpillars

Parasitic wasps (in the order Hymenoptera) inject their eggs into lepidopteran hosts, where the eggs go through their developmental stages. Along with the eggs, the wasps also deliver viruses carrying genes encoding proteins that inhibit caterpillar immune defenses. Some of these genes are permanently transferred to the lepidopteran host where they have assumed new defensive functions against other …

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TWiV 355: Baby’s first virome

On episode #355 of the science show This Week in Virology, the TWiV team considers the effect of a Leishmaniavirus on the efficacy of drug treatment, and the human fecal virome and microbiome in twins during early infancy. You can find TWiV #355 at www.microbe.tv/twiv.

A virus in a parasite in a human

The protozoan parasite Leishmania, transmitted to humans by the bite of a sandfly, may cause disfiguring skin lesions. A virus within the parasite appears to increase the risk of treatment failure with anti-leishmania drugs. A double-stranded RNA virus was found over 20 years ago to infect different species of Leishmania, with up to 50% of clinical isolates …

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