Obelisks in the Intestine: on the Trail of a New Life Form?

They live in our intestines, are microscopically small and may be part of a completely new class of biological entities: so-called obelisks. These mysterious RNA structures produce their own proteins, use bacteria as hosts – and could question the understanding of life itself. In the depths of our body lives an incalculable number of microorganisms – bacteria, viruses, fungi and much more. The human intestine is not only a digestive organ, but a…