Humans and the incredibly smart cephalopods share a common ancestor 600 million years back on the evolutionary tree.
that analyzed the octopus genome showed that a lot of RNA editing occurs in these cephalopods, which means that they use certain enzymes that can recode their RNA quite frequently.
“This got me thinking that octopuses may not only be good at editing, but could have other RNA tricks up their sleeve too,” . “There was indeed a lot of RNA editing going on, but not in areas that we believe to be of interest.”The team found the dramatic expansion of a well-known group of RNA genes and 42 novel miRNA families in octopus specimens. The miRNA families were more specifically located in the neural tissue and mostly in the brains.
“This is the third-largest expansion of microRNA families in the animal world, and the largest outside of vertebrates,” said lead author Grygoriy Zolotarov, a scientist who interned in Rajewsky’s lab at MDC-BIMSB while finishing medical school in Prague,.
Mollusks are not exactly known for their intelligence. However, octopus are unique among invertebrates from an evolutionary perspective and are highly intelligent. They have a
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