Clostridium sp. SS2/1. Clostridium sp. SS2/1 was isolated from human feces from healthy adults. In one comprehensive 16S rDNA sequence-based enumeration of the colonic microbiota of three healthy adult humans, it represents, on average, 0.042% of all 16S rDNA sequences and 0.083% of the sequences in its division (Eckburg et. al. (2005)). is being sequenced as part of the human gut microbiome project

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