Before revision: Two main families alt=Generalized homing mechanisms for mobile group I introns|Generalized homing mechanisms for mobile group I introns Meganucleases are found in a large number of organisms – Archaea or archaebacteria, bacteria, phages, fungi, yeast, algae and some plants.
After revision: Two main families Meganucleases are found in a large number of organisms – Archaea or archaebacteria, bacteria, phages, fungi, yeast, algae and some plants.