Protochlamydia amoebophila Horn 2010 Collingro A. Toenshoff E.R. Taylor M.W. Fritsche T.R. Wagner M. Horn M. ‘Candidatus Protochlamydia amoebophila’, an endosymbiont of Acanthamoeba spp. 2005 55 5 1863 1866 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.63572-0 16166679 Horn M. Professor William B. Whitman Protochlamydia 2015 1 1 Bergey's Manual of Systematics of Archaea and Bacteria John Wiley & Sons Hoboken, New Jersey 10.1002/9781118960608.gbm00368 This culture contains a bacterial endosymbiont constructed from strain UWC1 by addition of endosymbiont E25 from a different strain.