● Ueki A,Goto K,Ohtaki Y,Kaku N,Ueki K (2017). Description of Anaerotignum aminivorans gen. nov., sp. nov., a strictly anaerobic, amino-acid-decomposing bacterium isolated from a methanogenic reactor, and reclassification of Clostridium propionicum, Clostridium neopropionicum and Clostridium lactatifermentans as species of the genus Anaerotignum. Int. J. Syst. Evol. Microbiol.67, 4146-4153.