"Blautia acetigignens" Hitch et al. 2021 Dataset NCBI Taxonomy Classification phylum Bacillota class Clostridia order Lachnospirales family Lachnospiraceae genus Blautia species Blautia acetigignens Name Homonyms Blautia acetigignens Blautia acetigignens Hitch et al. 2022 "Blautia acetigignens" Hitch et al. 2021