TABLE 2

Distributions of host-associated communities and operational taxonomic units among fecal sources, without normalization or subsampling

Sample groupNo. of samples in groupNo. of sequence readsaHost-associated communitiesb (%)Host-associated OTUsc (%)Predominant unique ordersd (%)
Human wastewater241,367,1241062Clostridiales (24), Bacteroidales (11), Selenomonadales (8), Verrucomicrobiales (8), Burkholderiales (6)
Cat feces141,150,8630.923Clostridiales (47), Coriobacteriales (23), Erysipelotrichales (19), Desulfovibrionales (6)
Cattle wastewater121,342,864849Clostridiales (38), Bacteroidales (37)
Dog feces14921,3920.419Anaeroplasmatales (46), Coriobacteriales (14), Fusobacteriales (10), Clostridiales (10), Bacteroidales (6), Erysipelotrichales (5)
Horse feces14770,5315975Clostridiales (33), Bacteroidales (32), Verrucomicrobiales subdivision 5 (8)
Kangaroo feces14934,6094062Clostridiales (38), Bacteroidales (36), Verrucomicrobiales (7), Selenomonadales (7)
  • a Total number of high-quality sequences for the group.

  • b Percentage of communities associated with the host group.

  • c Percentage of host-associated OTUs among the OTUs present in the group.

  • d Orders accounting for >5% of host-associated sequence reads.