This Week in Science

In work out of Dave Bartel's MIT lab, researchers found that even though RNAi has not been conserved in the model budding yeast, Saccharomyces cerevisiae, it is present in other species, including S. castellii and Candida albicans. These two species use "noncanonical" Dicer proteins to make small interfering RNAs that mostly correspond to transposable elements and Y' subtelomeric repeats, they say, and when they introduced Dicer and Argonaute of S. castellii into S.

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As the UN ponders a ban on gene drives, one malaria researchers says there are less dramatic ways to fight the disease in Africa than unleashing GM mosquitoes on a whole continent.

In Nature this week: an improved reference genome of the Aedes aegypti mosquito, genomes of four species of truffles, and more.

The United Nations is to consider a ban on field testing gene drives at a meeting being held next week, Technology Review reports.

The Associated Press reports that gene-edited food may soon be for sale.