Nature July 12, 2024
Countries are ramping up surveillance of avian influenza, purchasing vaccines and developing new ones. Plus, the first fossil chromosomes ever discovered have been found in skin samples from a woolly mammoth.
First fossil chromosomes discovered
Scientists have discovered intact chromosomes preserved in the skin of a woolly mammoth (Mammuthus primigenius) that met its end some 50,000 years ago — a feat previously thought to be impossible. The team also revealed the spatial organization of the mammoth’s DNA molecules and the active genes in its skin, including one responsible for giving the animal its fuzzy appearance. The study is the first to report the 3D structure of an ancient genome,...
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