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Latest Laura Finzi Stories

Secrets Of Genetic Switch Unraveled
2012-08-31 16:46:43

When an invading bacterium or virus starts rummaging through the contents of a cell nucleus, using proteins like tiny hands to rearrange the host´s DNA strands, it can alter the host´s biological course. The invading proteins use specific binding, firmly grabbing onto particular sequences of DNA, to bend, kink and twist the DNA strands. The invaders also use non-specific binding to grasp any part of a DNA strand, but these seemingly random bonds are weak. Emory University...