Sporacetigenium mesophilum Chen et al. 2006 Chen S. Song L. Dong X. Sporacetigenium mesophilum gen. nov., sp. nov., isolated from an anaerobic digester treating municipal solid waste and sewage 2006 56 4 721 725 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.63686-0 16585683