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To Learn More Quickly, Brain Cells Break Their DNA
New work shows that neurons and other brain cells use DNA double-strand breaks, often associated with cancer, neurodegeneration and aging, to quickly express genes related to learning and memory.
Plasmid, Virus or Other? DNA ‘Borgs’ Blur Boundaries.
Scientists have reported large DNA structures in some archaea that defy easy categorization.
DNA Jumps Between Animal Species. No One Knows How Often.
The discovery of a gene shared by two unrelated species of fish is the latest evidence that horizontal gene transfers occur surprisingly often in vertebrates.
DNA’s Histone Spools Hint at How Complex Cells Evolved
New work shows that histones, long treated as boring spools for DNA, sit at the center of the origin story of eukaryotes and continue to play important roles in evolution and disease.
DNA of Giant ‘Corpse Flower’ Parasite Surprises Biologists
The bizarre genome of the world’s most mysterious flowering plants shows how far parasites will go in stealing, deleting and duplicating DNA.
New Genomic Study of Placenta Finds Deep Links to Cancer
A patchwork of genomic differences in the placenta may explain the organ’s “live fast, die young” strategy and its connections to cancer.