Nanobacterium is the member or unit brand of a proposed course of living organisms, especially cell-walled microorganisms with a size very much smaller compared to the generally acknowledged lower limit forever (about 200 nanometres for bacterias). Predicated on observed nano-level structures in geological formations originally, the position of nanobacteria offers been controversial, with some experts suggesting they certainly are a new category of living organism with the capacity of incorporating radiolabeled uridine, and others attributing to them an easier, abiotic nature.