. "PMID:9440526"^^ . "candidate division OP9"^^ . "Atribacteria"^^ . "PMID:11321083"^^ . "PMID:23851394"^^ . . "ncbi_taxonomy"^^ . . "GC_ID:11"^^ . "candidate division Obsidian Pool 9"^^ . "PMID:23673639"^^ .