Feeding-fasting rhythms and light-dark cycles direct regular changes in organ and cell size, as well as ribosome number and protein levels.

The structure and function of the cell's protein-degrading machine

Additions to the bases of RNA molecules can be written, read, and erased.

Glial cells consume mitochondria released by neurons in the optic nerve.

There are five steps of autophagosome biogenesis: induction, expansion, vesicle completion, fusion, and cargo degradation. 

Despite years of research, the longstanding mystery of where the autophagosome gets its double lipid bilayers is not much clearer.