Laboraverum News, 2024-05-03: When was the last time in evolution that a new cellular organelle was formed? Incredibly, this is happening right now‪!‬ Laboraverum

The cyanobacterium UCYN-A lives inside single-celled algae as an endosymbiont. The researchers discovered that the cyanobacterium now imports from the host cell not only nutrients, which is typical for symbionts, but also unchanged proteins to build its own body, including proteins essential for biosynthesis, growth, and division. An isolated cyanobacterium can only produce half of the proteins it needs, meaning that the cyanobacterium has already lost a significant part of its DNA as the hos...