Supplementary Material for "Evolution of Chi motifs in Proteobacteria"
Angelique Buton & Louis-Marie Bobay
Department of Biology, University of North Carolina Greensboro, 321 McIver Street, PO Box 26170, Greensboro, NC 27402, USA
Dataset S3. List of species with candidate Chi motifs (25 polarized motifs searched).

Species	Chi_motif(s)	Clade
Aeromonas_aquatica	['ggtggtgg', 'gctggcgg', 'ccgccagc']	Proteobacteria
Aeromonas_hydrophila	['ccaccacc', 'ccagcagc', 'ccgccagc', 'gctgctgg', 'gctggcgg']	Proteobacteria
Aeromonas_media	['ccgccagc']	Proteobacteria
Aeromonas_salmonicida	['gctggcgg', 'ccgccagc']	Proteobacteria
Alcanivorax_dieselolei	['ggtggtgg']	Proteobacteria
Alcanivorax_xenomutans	['ccagcagc']	Proteobacteria
Azorhizobium_caulinodans	['ccaccacc']	Proteobacteria
Burkholderia_glumae	['ccaccacc']	Proteobacteria
Burkholderia_plantarii	['ggtggtgg']	Proteobacteria
Chloroflexus_aggregans	['ggtggtgg']	Terrabacteria
Citrobacter_braakii	['gctggtgg', 'ccgccagc', 'ccaccagc']	Proteobacteria
Citrobacter_farmeri	['ccaccagc', 'gctggtgg', 'gctggcgg']	Proteobacteria
Citrobacter_freundii	['gctggtgg', 'ccaccagc']	Proteobacteria
Cobetia_marina	['gctgctgg', 'gctggcgg']	Proteobacteria
Cronobacter_dublinensis	['ccgccagc', 'gctggcgg', 'ccagcagc', 'ccaccagc', 'gctggtgg', 'gctgctgg']	Proteobacteria
Cronobacter_malonaticus	['gctgctgg', 'ccagcagc', 'gctggtgg', 'ccaccagc', 'ccgccagc']	Proteobacteria
Cronobacter_sakazakii	['gctggcgg', 'ccgccagc', 'gctgctgg', 'ccagcagc', 'ccaccagc', 'gctggtgg']	Proteobacteria
Cronobacter_turicensis	['ccgccagc', 'gctggcgg', 'ccagcagc', 'gctgctgg', 'gctggtgg', 'ccaccagc']	Proteobacteria
Cronobacter_universalis	['ccgccagc', 'gctggcgg', 'ccagcagc', 'gctgctgg', 'ccaccagc', 'gctggtgg']	Proteobacteria
Cupriavidus_metallidurans	['gctggtgg', 'gctgctgg']	Proteobacteria
Cystobacter_fuscus	['gctggtgg', 'ccaccacc']	Proteobacteria
Defluviimonas_alba	['gctggcgg']	Proteobacteria
Deinococcus_actinosclerus	['ccagcagc']	Terrabacteria
Deinococcus_soli	['gctgctgg', 'ccaccacc']	Terrabacteria
Desulfovibrio_magneticus	['ccaccacc']	Proteobacteria
Dickeya_chrysanthemi	['ccaccacc', 'ccaccagc', 'ggtggtgg', 'ccgccagc', 'gctggcgg']	Proteobacteria
Dickeya_fangzhongdai	['ggtggtgg', 'ccaccacc', 'gctggtgg', 'ccaccagc', 'ccagcagc', 'gctgctgg', 'gctggcgg', 'ccgccagc']	Proteobacteria
Dickeya_solani	['ccaccacc', 'ggtggtgg', 'ccaccagc', 'gctggtgg', 'ccgccagc', 'gctggcgg']	Proteobacteria
Dickeya_zeae	['gctggcgg', 'ccgccagc']	Proteobacteria
Edwardsiella_anguillarum	['ccagcagc', 'gctgctgg', 'ccaccacc', 'gctggagg', 'cctccagc']	Proteobacteria
Edwardsiella_hoshinae	['ggtggtgg']	Proteobacteria
Edwardsiella_piscicida	['ccgccagc', 'gctgctgg', 'ccagcagc', 'ccaccacc', 'gctggagg', 'cctccagc']	Proteobacteria
Enterobacter_asburiae	['ccgccagc', 'ccaccagc', 'gctggtgg']	Proteobacteria
Enterobacter_hormaechei	['ccgccagc', 'gctggcgg', 'ccaccagc', 'ccagcagc', 'gctgctgg', 'gctggtgg', 'gctggcgg']	Proteobacteria
Enterobacter_kobei	['ccgccagc', 'gctggcgg', 'ccaccagc', 'gctggtgg', 'gctgctgg', 'ccagcagc', 'gctggtgg']	Proteobacteria
Enterobacter_xiangfangensis	['ccgccagc', 'gctggcgg', 'ccaccagc', 'gctggtgg', 'ccagcagc', 'gctgctgg']	Proteobacteria
Erwinia_billingiae	['gctggcgg', 'ccgccagc', 'ccaccagc', 'gctggtgg', 'gctgctgg', 'ccagcagc']	Proteobacteria
Erwinia_tasmaniensis	['gctgctgg', 'ccagcagc', 'ccaccagc']	Proteobacteria
Escherichia_coli	['gctggtgg']	Proteobacteria
Escherichia_fergusonii	['gctggtgg', 'ccaccagc']	Proteobacteria
Flavonifractor_plautii	['gctggagg']	Terrabacteria
Geobacter_metallireducens	['ggtggtgg']	Proteobacteria
Gloeobacter_violaceus	['ccaccagc', 'gctggtgg']	Terrabacteria
Halomonas_chromatireducens	['gctgctgg']	Proteobacteria
Klebsiella_michiganensis	['ccgccagc', 'gctggcgg', 'gctggtgg', 'ccaccagc', 'gctgctgg', 'ccagcagc']	Proteobacteria 
Klebsiella_quasipneumoniae	['ggtggtgg', 'ccaccacc', 'gctggtgg', 'gctggcgg', 'ccgccagc', 'ccaccagc', 'gctgctgg', 'ccagcagc']	Proteobacteria
Klebsiella_quasivariicola	['ccaccacc', 'ccaccagc', 'gctgctgg', 'gctggtgg', 'ggtggtgg', 'ccagcagc', 'ccgccagc', 'gctggcgg']	Proteobacteria
Komagataeibacter_xylinus	['ccagcagc', 'gctgctgg', 'ccgccagc']	Proteobacteria
Kosakonia_radicincitans	['gctggcgg', 'gctggtgg', 'ccaccagc', 'ccgccagc', 'ccagcagc']	Proteobacteria
Kosakonia_sacchari	['gctggtgg', 'ccaccagc']	Proteobacteria
Kushneria_marisflavi	['gctgctgg', 'ccagcagc']	Proteobacteria
Leisingera_methylohalidivorans	['gctggagg', 'cctccagc']	Proteobacteria
Lelliottia_jeotgali	['gctggtgg', 'gctgctgg', 'ccaccagc', 'ccagcagc']	Proteobacteria
Lelliottia_nimipressuralis	['gctggcgg', 'ccaccagc', 'gctggtgg', 'ccagcagc', 'gctgctgg']	Proteobacteria
Lysobacter_capsici	['gcaccagc', 'gctggtgc']	Proteobacteria
Meiothermus_ruber	['ggtggtgg', 'ccaccacc']	Terrabacteria
Morganella_morganii	['gctggtgg', 'ccaccagc']	Proteobacteria
Myxococcus_fulvus	['ccagcagc', 'gctgctgg']	Proteobacteria
Myxococcus_macrosporus	['ccagcagc', 'gctggcgg']	Proteobacteria
Myxococcus_stipitatus	['cctccagc', 'gctggagg', 'gctggtgg', 'ccaccagc']	Proteobacteria
Myxococcus_xanthus	['gctggcgg', 'gctggtgg', 'ccaccacc', 'ccagcagc', 'gctgctgg']	Proteobacteria
Nocardia_cyriacigeorgica	['ccagcagc', 'gctgctgg']	Terrabacteria
Nocardia_nova	['ccagcagc', 'gctgctgg']	Proteobacteria
Nocardia_terpenica	['ccagcagc', 'gctgctgg']	Proteobacteria
Paenibacillus_ihbetae	['ccagcagc', 'gctgctgg', 'cctccagc', 'gctggagg']	Terrabacteria
Paenibacillus_kribbensis	['cctccagc']	Terrabacteria
Paenibacillus_riograndensis	['gctgctgg', 'ccagcagc', 'gctggagg']	Terrabacteria
Pandoraea_faecigallinarum	['gctggtgc']	Proteobacteria
Pantoea_alhagi	['ccaccagc', 'gctggtgg', 'gctgctgg', 'ccagcagc']	Proteobacteria
Pantoea_ananatis	['ccaccagc']	Proteobacteria
Pantoea_gaviniae	['gctggtgg', 'ccaccagc', 'gctgctgg', 'ccgccagc', 'gctggcgg']	Proteobacteria
Pantoea_rwandensis	['gctggtgg', 'ccaccagc']	Proteobacteria
Pantoea_vagans	['ccaccagc', 'gctggtgg']	Proteobacteria
Paraburkholderia_aromaticivorans	['ccaccagc']	Proteobacteria
Paraburkholderia_phytofirmans	['cgaccagc']	Proteobacteria
Paraburkholderia_xenovorans	['gctggtgg', 'ggtggtgg']	Proteobacteria
Phaeobacter_piscinae	['gctggcgg']	Proteobacteria
Pseudomonas_cichorii	['ccaccagc']	Proteobacteria
Pseudomonas_entomophila	['gctggtgg', 'ccaccagc']	Proteobacteria
Pseudomonas_lundensis	['gctggtgg']	Proteobacteria
Pseudomonas_monteilii	['ccaccagc']	Proteobacteria
Pseudomonas_oryzihabitans	['ccaccagc']	Proteobacteria
Raoultella_planticola	['gctggtgg', 'ccaccagc']	Proteobacteria
Rhodoferax_antarcticus	['ggtggtgg']	Proteobacteria
Roseateles_depolymerans	['ccaccacc', 'ggtggtgg']	Proteobacteria
Salmonella_bongori	['ccgccagc', 'gctggcgg']	Proteobacteria
Salmonella_enterica	['gctggtgg', 'gctgctgg', 'ccaccagc', 'ccgccagc', 'gctggcgg']	Proteobacteria
Serratia_proteamaculans	['gctggcgg', 'gctggtgg', 'gctgctgg', 'ccgccagc', 'ccagcagc', 'ccaccagc']	Proteobacteria
Shigella_sonnei	['ccaccagc', 'gctggtgg']	Proteobacteria
Sodalis_glossinidius	['gctggtgg']	Proteobacteria
Thauera_aromatica	['ggtggtgg']	Proteobacteria
Thauera_chlorobenzoica	['ggtggtgg']	Proteobacteria
Thermaerobacter_marianensis	['ccagcagc', 'ggtggtgg', 'ccaccacc']	Terrabacteria
Thermus_brockianus	['ggtggtgg']	Terrabacteria
Thioalkalivibrio_versutus	['cctccagc']	Proteobacteria
Vibrio_furnissii	['gctggtgg']	Proteobacteria
Zobellella_denitrificans	['gctggcgg']	Proteobacteria