Is there a reason they do this? Do they exchange anything?

You also have ChIP-ChIP pull downs as well as double DAP-seq. But neither are great for exhaustive protein X protein interactions

Fuckin cooooool

This is wild - I had no clue that there were empty mitochondria at all in plants cells. Is there any understanding how this happens? Like is this an accidental process innate to mitochondrial replication or is there a specific purpose?