Adeno-associated virus (AAV) mediates gene targeting in humans by providing exogenous DNA for allelic replacement through homologous recombination. In comparison to other methods of DNA delivery or ...
A 45-nucleotide strand of RNA can now synthesize both its mirror-image complement and a copy of itself, bringing scientists closer than ever to demonstrating how life could have emerged from chemistry ...
Scientists have created QT45, a 45-nucleotide RNA enzyme that can copy itself and its complementary strand in icy, salty conditions thought to resemble early Earth. The finding narrows a long-standing ...
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