To find clues, she has trained her sights on choanoflagellates — a group of single - celled
eukaryotes thought to be the closest living relatives of animals.
Not exact matches
Martin's own
thoughts on the birth of the nucleus stem from a further considerationnamely, that all
eukaryotes appear to have had mitochondria at some point in their past.
The first
eukaryote is
thought to have arisen when simpler archaea and bacteria joined forces.
«Bacteria are more similar to
eukaryotes than we
thought.»
But until now, experts
thought the most primitive
eukaryotes were the exception to this rule.
Nor, researchers
thought, can any other
eukaryotes — the group of organisms we belong to along with other animals, plants, fungi, and various microscopic creatures.
Until recently, the proteins that make up the eukaryotic cytoskeleton, which include actin, microtubules, ESCRTIII, Septins and coatamers, were
thought to be unique to
eukaryotes.
Though newly discovered Asgard group are not
eukaryotes, they share some important similarities — including genes that were
thought to exist only in complex cells.