The principle may help in the design of synthetic cells in the future, scientists say.
A new biological law has been proposed offering key insights into the processes of evolution and aging.Biological laws are recognized patterns that hold true for a group of living organisms. For example, Allen's rule, formulated by zoologist Joel Allen in 1877, states that warm-blooded animals in colder climates have shorter, thicker limbs than those in hotter areas, in order to conserve body heat.
'Even the simplest cells contain and regularly degrade and replace , indicating that selectively advantageous instability is essential for life.'He adds that this process plays a key role in evolution. As cells live in this constant flux of instability, they can exist in one of two states: one with an unstable component present and one in which the unstable component is absent. Natural selection may act differently on these two cell states.
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