provirophages

— Recently, the genomes of several giant DNA viruses within the recently proposed order “Megavirales” [ 24 ] have been shown to host other types of mobile genetic elements and repetitive, putatively mobile elements including self-splicing introns, inteins, insertion sequences (ISs), provirophages, and an atypical group of integrative linear plasmids called transpovirons [ 17, 25 – 32 ].