serogroup W-135 – Neisseria meningitidis, serogroup Y – Neisseria mucosa – Neisseria sicca – nitrosomonadaceae – Nitrosomonas – Nitrosomonas europaea – Ochrobactrum – Ochrobactrum anthropi – oxalobacteraceae – Herbaspirillum – Paracoccus – Paracoccus denitrificans – Paracoccus pantotrophus – Pseudoalteromonas – Pseudomonadaceae – Pseudomonas – Pseudomonas aeruginosa – Pseudomonas alcaligenes – Pseudomonas fluorescens – Pseudomonas fragi – Pseudomonas mendocina – Pseudomonas oleovorans – Pseudomonas pseudoalcaligenes – Pseudomonas putida – Pseudomonas stutzeri – Pseudomonas syringae – ralstoniaceae – Ralstonia – Ralstonia pickettii – Ralstonia solanacearum – Wautersia – Wautersia eutropha – rhizobiaceae – Rhizobium – Rhizobium etli – Rhizobium leguminosarum – Rhizobium phaseoli – Rhizobium radiobacter – Rhizobium tropici – Sinorhizobium – Sinorhizobium fredii – Sinorhizobium meliloti – rhodospirillaceae – Azospirillum – Azospirillum brasilense – Azospirillum lipoferum – Magnetospirillum – Rhodospirillum – Rhodospirillum centenum – Rhodospirillum rubrum – Rhodothermus – Sphingobacterium – Sphingomonas – Thermus – Thermus thermophilus – Xanthobacter – xanthomonadaceae – Stenotrophomonas – Stenotrophomonas maltophilia – Xanthomonas – Xanthomonas campestris – Xanthomonas vesicatoria – Xylella – Zoogloea – gram-negative chemolithotrophic bacteria – Thiobacillus – Thiotrichaceae – Vitreoscilla – gram-negative anaerobic bacteria – gram-negative anaerobic cocci – Megasphaera – Thiocapsa – Thiocapsa roseopersicina – gram-negative anaerobic straight, curved, and helical rods – acidaminococcaceae – Acidaminococcus – Pectinatus – Selenomonas – Veillonella – Anaerobiospirillum – bacteroidaceae – Bacteroides – Bacteroides fragilis – Porphyromonas – Porphyromonas endodontalis – Porphyromonas gingivalis – Prevotella – Prevotella intermedia – Prevotella melaninogenica – Prevotella nigrescens – Prevotella ruminicola – Bilophila – Butyrivibrio – Chlorobium – Chromatium – Desulfovibrio – Desulfovibrio africanus – Desulfovibrio desulfuricans – Desulfovibrio gigas – Desulfovibrio vulgaris – Desulfuromonas – Dichelobacter nodosus – ectothiorhodospiraceae – Ectothiorhodospira – Ectothiorhodospira shaposhnikovii – Halorhodospira halophila – Fibrobacter – Fusobacterium – Fusobacterium necrophorum – Fusobacterium nucleatum – Geobacter – Leptotrichia – Oxalobacter formigenes – Propionigenium – Selenomonas – Spirochaetaceae – Borrelia – Borrelia burgdorferi group – Borrelia burgdorferi – Serpulina – Serpulina hyodysenteriae – Spirochaeta – Treponema – Treponema denticola – Treponema pallidum – succinivibrionaceae – Thauera – Thermotoga maritima – Thermotoga neapolitana – Wolinella – gram-negative facultatively anaerobic rods – Actinobacillus – Actinobacillus actinomycetemcomitans – Actinobacillus equuli – Actinobacillus pleuropneumoniae – Actinobacillus seminis – Actinobacillus suis – aeromonadaceae – Aeromonas – Aeromonas hydrophila – Aeromonas salmonicida – Azoarcus – Capnocytophaga – cardiobacteriaceae – Cardiobacterium – Dichelobacter nodosus – Chromobacterium – Eikenella – Eikenella corrodens – enterobacteriaceae – Calymmatobacterium – Citrobacter – Citrobacter freundii – Citrobacter koseri –