When a bacterial cell divides into two daughter cells there can be an uneven distribution of cellular organelles. The resulting cells can behave differently from each other, giving them an evolutionary advantage.
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New research shows bacteria may draw other bacteria to an infection site by laying down trails of a “molecular glue” that attract free-swimming individual bacteria.
Bacteria speed up their evolution by positioning specific genes along the route of expected traffic jams in DNA encoding. Collisions can result in mutations.