Taking out the trash

Taking out the trash

Autophagy (self eating) has long been considered a kind of indiscriminate Pac Man-like process of waste disposal. Now, scientists at Washington University have shown that apart from conditions of cell starvation, it is carefully regulated: both in plants and yeast — and most likely in people. The finding is relevant to aggregation-prone pathologies such as Alzheimer’s and Parkinson’s diseases.