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It’s been postulated that the mechanism of RNAi developed in cells as a means to fight off viral invaders and transposable elements. Essentially, this makes it a kind of cellular immune system, according to the authors of a paper published in this week’s Proceedings of the National Academy of Sciences. But this hypothesis, while reasonable, raises the question of how the RNAi system is able to deal with the equivalent of an autoimmune disorder, a system error where silencing is directed to a cell’s own genes.

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President Donald Trump might not approve the stricter standards the US Food and Drug Administration is developing for authorizing a SARS-CoV-2 vaccine, according to Politico.

Wired reports that Oxitec has now developed a genetically modified fall armyworm.

A large genetic study finds SARS-CoV-2 viruses with a certain variant are spreading more than others, according to the Washington Post.

In Nature this week: sister-chromatid-sensitive chromosome conformation capture approach, and more.

Oct
28
Sponsored by
NRGene

Molecular breeding methods such as genomic selection and genome-wide association studies often require high-density genotypic data from many samples, but the cost and complexity of genotyping at this scale may be prohibitive.

Nov
11
Sponsored by
Illumina

Selective breeding represents an efficient approach to increase production of aquaculture species by means of improving traits, such as rapid growth, product quality, and disease resistance.