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#evolution

50 posts39 participants11 posts today

Nair et al. examined structural variants circulating in 5 laboratory populations of the parasite Schistosoma mansoni using pooled, long-read sequencing - identifying 17,446 SVs, demonstrating the suitability of this approach for SV genotyping.

🔗 doi.org/10.1093/gbe/evaf127

Mammals have evolved into ant-eaters at least 12 times since the dinosaurs

'The finding is reminiscent of the famous phenomenon whereby crab body plans keep emerging, with at least five separate crab evolutions throughout evolutionary history.. There are twice as many origins of ant- and termite-eating in mammals as there are origins of crab body plans.'

sciencealert.com/mammals-have-

ScienceAlert · Mammals Have Evolved Into Anteaters at Least 12 Times Since The DinosaursIf you want to get by in this world, you could do a lot worse than developing a predilection for ants.

Herlyn et al. investigated the association between loss of organismal complexity and microRNAs in rotiferans and relatives, revealing strong correlations between microRNA losses, and reductions of protein-coding genes and morphological traits.

🔗 doi.org/10.1093/gbe/evaf124

#DNA #evolution

"'Two souls, alas, dwell in my breast.' Like Goethe’s Doctor Faust, we all have an inner duality. Recent discoveries about the deep past of human evolution reveal that for more than a million years, humanity was divided into two distinct branches. About 300,000 years ago, those estranged cousins reunited. Every one of us carries within our genes the results of that split, and the reunion of those two mystery populations.

The discovery represents a major reversal of the prevailing theory of human evolution, which suggested that modern humans descended from a single ancestral lineage in Africa."

bigthink.com/strange-maps/doub

Big ThinkEvolution isn't a straight line: Modern humans come from 2 ancient lineagesAfter more than a million years of separation, two branches of humanity reunited around 300,000 years ago, new research shows

Why the “We evolved to eat meat” argument doesn’t hold up.

From MIT Press Reader: "The evolutionary story behind meat consumption is more complicated — and less convincing — than it sounds."

flip.it/dv5Owd

The MIT Press Reader · The “We Evolved to Eat Meat” Argument Doesn’t Hold UpThe evolutionary story behind meat consumption is more complicated — and less convincing — than it sounds.