Fig. 5From: Dynamics of Clostridium genus and hard-cheese spoiling Clostridium species in anaerobic digesters treating agricultural biomassCultivable Clostridium spores. a Spore counts in the inoculum and in the reactor digestate at start-up and in steady-state conditions. Letters in the graph indicate significant differences between samples, based on Tukey’s test. b Identification and relative abundance of the isolated Clostridium sporesBack to article page