Altruistic suicide in organisms helps relatives
The question of why an individual would actively kill itself has been an evolutionary mystery. Death could hardly provide a fitness advantage to the dying individual. However, a new study has found that in single-celled algae, suicide benefits the organism's relatives.
"Death can be altruistic – we showed that before – but now we know that programmed cell death benefits the organism's relatives and not just anybody," says Dr Pierre Durand from the Department of Molecular Medicine and Haematology and the Sydney Brenner Institute for Molecular Bioscience (SBIMB) at Wits ...

