Serratia marcescens sakuensis Ajithkumar et al. 2003 Serratia marcescens sakuensis Ajithkumar et al. 2003 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 Enterobacterales (Garrity and Holt 2001) Adeolu et al. 2016 Yersiniaceae Adeolu et al. 2016 Serratia Bizio 1823 emend. Sakazaki 1974 (Approved Lists 1980) Serratia marcescens Bizio 1823 (Approved Lists 1980) Serratia marcescens sakuensis Ajithkumar et al. 2003 Serratia marcescens Bizio 1823 (Approved Lists 1980) Serratia marcescens marcescens (Bizio 1823) Ajithkumar et al. 2003 Serratia marcescens Bizio 1823 (Approved Lists 1980) Serratia marcescens sakuensis Ajithkumar et al. 2003 Ajithkumar B. Ajithkumar V.P. Iriye R. Doi Y. Sakai T. Spore-forming Serratia marcescens subsp. sakuensis subsp. nov., isolated from a domestic wastewater treatment tank. 2003 53 1 253 258 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.02158-0 12656181 Doijad S. Chakraborty T. Genome-based analyses indicate that Serratia marcescens subsp. marcescens and Serratia marcescens subsp. sakuensis do not merit separation to subspecies status. 2019 69 12 3924 3926 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003706 31490113 Ajithkumar B. Ajithkumar V.P. Iriye R. Doi Y. Sakai T. Spore-forming Serratia marcescens subsp. sakuensis subsp. nov., isolated from a domestic wastewater treatment tank. 2003 53 1 253 258 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.02158-0 12656181 Serratia marcescens marcescens (Bizio 1823) Ajithkumar et al. 2003 Cho G.-S. Stein M. Brinks E. Rathje J. Lee W. Suh S.H. Franz C.M.A.P. Serratia nevei sp. nov. and Serratia bockelmannii sp. nov., isolated from fresh produce in Germany and reclassification of Serratia marcescens subsp. sakuensis Ajithkumar et al. 2003 as a later heterotypic synonym of Serratia marcescens subsp. marcescens. 2020 43 2 126055 126055 Systematic and Applied Microbiology Syst Appl Microbiol 0723-2020 10.1016/j.syapm.2020.126055 31992497 Ajithkumar B. Ajithkumar V.P. Iriye R. Doi Y. Sakai T. Spore-forming Serratia marcescens subsp. sakuensis subsp. nov., isolated from a domestic wastewater treatment tank. 2003 53 1 253 258 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.02158-0 12656181 Doijad S. Chakraborty T. Genome-based analyses indicate that Serratia marcescens subsp. marcescens and Serratia marcescens subsp. sakuensis do not merit separation to subspecies status. 2019 69 12 3924 3926 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003706 31490113 Doijad and Chakraborty suggest that based on genomic related indexing and phylogenomic treeing, this taxon does not satisfy the genomic criteria for defining a subspecies.