Growth and survival of E. faecalis V583 under anaerobic conditions utilizing EA as a carbon source. CFU per ml was measured after 0, 24, 48, and 72 h. NCS, M9HY medium without carbon source; EA, 100 mM EA; CoB12, 40 nM CoB12; VitB12, 40 nM VitB12. The 48-h and 72-h time points of the EA plus CoB12 culture conditions are missing because counts were below the minimal experimental limit set for the experiment. The error bars denote standard deviations calculated from three independent cultures.