tokens: The Legionella pneumophila rpoS gene is required for growth within Acanthamoeba castellanii .
folded_tokens: the legionella pneumophila rpos gene is required for growth within acanthamoeba castellanii .
labels: O B-mono_cell I-mono_cell B-DNA_domain_or_region I-DNA_domain_or_region O O O O O B-mono_cell I-mono_cell O