Complex sentence: The size of its genome may reflect the complexity of its life cycle; at 9.14 megabase, its genome was the largest known until the sequencing of "Sorangium cellulosum" (12.3 Mb), which is also a myxobacterium.
Split into simpler sentences: The size of its genome may reflect the complexity of its life cycle. At 9.14 megabase, its genome was the largest known until the sequencing of "Sorangium cellulosum" (12.3 Mb), which is also a myxobacterium.