Yhn BusinessEconomy first seen 1 d ago, last 26 min ago, peak #3
Collagen-eating microbes may explain gaps in fossil record
Original: Rise of collagen-eating microbes may help explain gaps in the fossil record
University of Cambridge researchers report that the evolution of microbes capable of degrading collagen could explain why many ancient animal remains never fossilised. Collagen, the protein holding bone and tissue together, resists decay, but once microorganisms evolved enzymes to break it down, carcasses decomposed faster, leaving fewer fossils in younger rock layers than in older ones.
Why now: A new Cambridge study offers a fresh explanation for a long-standing puzzle in palaeontology, drawing broad public interest.
University of Cambridgecollagenmicrobes
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