What do we know about the cellular structure, processes, environment, and immediate ancestors of the last universal common ancestor (LUCA)?
I am up for all scientifically sound speculations, and sources are highly welcome. I've looked into this quite a bit myself via scholar.google, the wiki article, and /r/askscience. I'm really looking ...
I'm assuming bacteria, but will take any suggestions. Organism must survive primarily on the acetate (plus trace elements), but I can give/take electrons, if necessary. Not interested in strict ...
Most textbooks seems to restrict pathogens to the domains bacteria and eukarya. Are there any pathogenic archaeans?