Cells have extensive sets of intracellular membranes ... separate compartments with specific functions. These structures do exchange membrane material, however, via a special type of transport.

Inside cells, there exists an extensive system of canals known as the endoplasmic reticulum (ER), which consists ... autophagosome and recycle it. "We have known for several years that specific ...

Channels in plant ... do the same thing. "To test this, we inserted plant MCTPs (proteins) into yeast cells," said Joshi. "We discovered that plant proteins also tubulated endoplasmic reticulum ...