Complex sentence: Cyanobacteria are an attractive model organism due to simplistic genomes and their use of photosynthesis, and they could be used to replace petroleum fuels in the future through generation of biofuels.
Split into simpler sentences: Cyanobacteria are an attractive model organism due to simplistic genomes and their use of photosynthesis. They could be used to replace petroleum fuels in the future through generation of biofuels.