Article
The potential for non-adaptive origins of evolutionary innovations in central carbon metabolism.
BMC systems biology - 21 Oct 2016
Hosseini Sayed-Rzgar, Wagner Andreas
Abstract excerpt
BACKGROUND: Biological systems are rife with examples of pre-adaptations or exaptations. They range from the molecular scale - lens crystallins, which originated from metabolic enzymes - to the macroscopic scale, such as feathers used in flying, which originally served thermal insulation or waterproofing. An important class of exaptations are novel and useful traits with non-adaptive origins. Whether such origins...
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