Portiera aleyrodidarum Thao and Baumann 2004 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Proteobacteria (sic) Garrity et al. 2021 Pseudomonadota corrig. Garrity et al. 2021 Alphaproteobacteriota (sic) Garrity et al. 2021 Gammaproteobacteria Garrity et al. 2005 emend. Williams and Kelly 2013 Incertae sedis 328 Thao and Baumann 2004 Incertae sedis 329 Thao and Baumann 2004 Portiera Thao and Baumann 2004 Portiera aleyrodidarum Thao and Baumann 2004 Portiera Thao and Baumann 2004 Portiera aleyrodidarum Thao and Baumann 2004 The P-endosymbiont of Bemisia tabaci (B.W. Falk laboratory strain Davis, California June 2002) was proposed as the type strain. Thao M.L. Baumann P. Evolutionary relationships of primary prokaryotic endosymbionts of whiteflies and their hosts. 2004 70 6 3401 6 Applied and Environmental Microbiology Appl Environ Microbiol 0099-2240 1098-5336 10.1128/AEM.70.6.3401-3406.2004 15184137