2381.0 undef undef undef undef undef undef 55.0 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales mitochondria undef 2.0 Bacteria Proteobacteria Gammaproteobacteria Enterobacteriales Enterobacteriaceae Enterobacter 42.0 Bacteria Verrucomicrobia Opitutae Puniceicoccales Puniceicoccaceae undef 69.0 Bacteria Proteobacteria Gammaproteobacteria Alteromonadales Alteromonadaceae BD1-7 clade 48.0 Bacteria Chloroflexi SAR202 clade undef undef undef 688.0 Bacteria Proteobacteria Gammaproteobacteria Xanthomonadales JTB255 marine benthic group undef 11201.0 Bacteria Cyanobacteria Chloroplast undef undef undef 63.0 Bacteria Proteobacteria Alphaproteobacteria SAR11 clade undef undef 958.0 Bacteria Actinobacteria Actinobacteria PeM15 undef undef 141.0 Archaea Euryarchaeota Thermoplasmata Thermoplasmatales Marine Group II undef 8.0 Bacteria Proteobacteria Betaproteobacteria Burkholderiales Alcaligenaceae MWH-UniP1 aquatic group 1297.0 Bacteria Bacteroidetes Sphingobacteriia Sphingobacteriales Chitinophagaceae uncultured 229.0 Bacteria Deferribacteres Deferribacteres Deferribacterales SAR406 clade(Marine group A) undef 530.0 Archaea Euryarchaeota Halobacteria Halobacteriales Deep Sea Hydrothermal Vent Gp 6(DHVEG-6) undef 312.0 Bacteria Proteobacteria Gammaproteobacteria Oceanospirillales SAR86 clade undef 190.0 Bacteria Bacteroidetes Flavobacteria Flavobacteriales Cryomorphaceae Owenweeksia 9.0 Bacteria Bacteroidetes Flavobacteria Flavobacteriales Flavobacteriaceae NS5 marine group 4.0 Bacteria Proteobacteria Alphaproteobacteria SAR11 clade Deep 1 undef 2.0 Bacteria Actinobacteria Acidimicrobiia Acidimicrobiales Sva0996 marine group undef 8.0 Bacteria Proteobacteria Gammaproteobacteria Oceanospirillales Oceanospirillaceae Marinobacterium 272.0 Bacteria Candidate division OD1 undef undef undef undef 5255.0 Bacteria Proteobacteria Alphaproteobacteria Rhizobiales Phyllobacteriaceae Phyllobacterium 1030.0 Bacteria Planctomycetes Planctomycetacia Planctomycetales Planctomycetaceae uncultured 1187.0 Bacteria Proteobacteria Gammaproteobacteria Oceanospirillales OM182 clade undef 3224.0 Bacteria Tenericutes Mollicutes Acholeplasmatales Acholeplasmataceae Acholeplasma 177.0 Bacteria Bacteroidetes Flavobacteria Flavobacteriales Flavobacteriaceae NS4 marine group 2.0 Bacteria Proteobacteria Gammaproteobacteria Order Incertae Sedis Family Incertae Sedis Marinicella 14.0 Bacteria Actinobacteria Acidimicrobiia Acidimicrobiales OCS155 marine group undef 14.0 Bacteria Proteobacteria Alphaproteobacteria Rhodospirillales Rhodospirillaceae Magnetospira 5.0 Bacteria Bacteroidetes Flavobacteria Flavobacteriales Flavobacteriaceae NS2b marine group 21.0 Bacteria Proteobacteria Alphaproteobacteria Rhizobiales Phyllobacteriaceae Cohaesibacter 54.0 Bacteria Bacteroidetes Flavobacteria Flavobacteriales Cryomorphaceae Fluviicola 4.0 Bacteria Proteobacteria Alphaproteobacteria SAR11 clade Surface 4 undef 3792.0 Bacteria Bacteroidetes Cytophagia Cytophagales Flammeovirgaceae Marinoscillum 73.0 Bacteria Proteobacteria Gammaproteobacteria Salinisphaerales Salinisphaeraceae ZD0417 marine group 143.0 Bacteria Proteobacteria Gammaproteobacteria Thiotrichales Family Incertae Sedis Candidatus Endoecteinascidia 24.0 Bacteria BD1-5 undef undef undef undef 6.0 Bacteria Bacteroidetes Cytophagia Cytophagales Flammeovirgaceae Ekhidna 5.0 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales SM2D12 undef 2.0 Bacteria Proteobacteria Gammaproteobacteria Oceanospirillales Oceanospirillaceae Pseudospirillum 2.0 Bacteria Proteobacteria Betaproteobacteria Burkholderiales Burkholderiaceae Burkholderia 2.0 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Sulfitobacter 1.0 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Maritimibacter 20.0 Bacteria Proteobacteria Alphaproteobacteria Sphingomonadales Erythrobacteraceae Erythrobacter 622.0 Bacteria Bacteroidetes Flavobacteria Flavobacteriales Flavobacteriaceae Polaribacter 1.0 Bacteria Proteobacteria Gammaproteobacteria Alteromonadales Pseudoalteromonadaceae Pseudoalteromonas 2.0 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Oceanicola 2.0 Bacteria Proteobacteria Gammaproteobacteria Thiotrichales Thiotrichaceae Thiothrix 1.0 Bacteria Proteobacteria Alphaproteobacteria Rhizobiales Aurantimonadaceae Fulvimarina 39.0 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Pelagibaca 9.0 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Labrenzia 401.0 Bacteria Proteobacteria Gammaproteobacteria Alteromonadales Alteromonadaceae Marinobacter 9.0 Bacteria Proteobacteria Gammaproteobacteria Vibrionales Vibrionaceae Vibrio 276.0 Bacteria Proteobacteria Gammaproteobacteria Legionellales Coxiellaceae Coxiella 2.0 Bacteria Proteobacteria Alphaproteobacteria Rhodospirillales Rhodospirillaceae Thalassospira 2.0 Bacteria Proteobacteria Gammaproteobacteria Alteromonadales Shewanellaceae Shewanella 13.0 Bacteria Proteobacteria Epsilonproteobacteria Campylobacterales Campylobacteraceae Arcobacter 4.0 Bacteria RF3 undef undef undef undef 2.0 Bacteria Proteobacteria Alphaproteobacteria Rhizobiales Rhodobiaceae Rhodobium 124.0 Bacteria Proteobacteria Gammaproteobacteria Order Incertae Sedis Family Incertae Sedis Thiohalophilus 2.0 Bacteria Bacteroidetes Flavobacteria Flavobacteriales Flavobacteriaceae uncultured 1.0 Bacteria Bacteroidetes Cytophagia Cytophagales Flammeovirgaceae Reichenbachiella 6.0 Bacteria Bacteroidetes Cytophagia Order II Incertae Sedis Rhodothermaceae uncultured 20.0 Bacteria Proteobacteria Alphaproteobacteria Rhodospirillales Rhodospirillaceae Defluviicoccus 8.0 Bacteria Proteobacteria Gammaproteobacteria BD3-1 undef undef 4.0 Bacteria Planctomycetes Planctomycetacia Brocadiales Brocadiaceae Candidatus Scalindua 3.0 Bacteria Proteobacteria Gammaproteobacteria Methylococcales Methylococcaceae Methylomonas 279.0 Bacteria Proteobacteria Gammaproteobacteria Pseudomonadales Moraxellaceae Psychrobacter 5.0 Bacteria Proteobacteria Gammaproteobacteria Pseudomonadales Pseudomonadaceae Pseudomonas 7.0 Bacteria Proteobacteria Alphaproteobacteria Sphingomonadales Erythrobacteraceae Porphyrobacter 5.0 Bacteria Actinobacteria Actinobacteria Corynebacteriales Mycobacteriaceae Mycobacterium 1.0 Bacteria Proteobacteria Alphaproteobacteria Sphingomonadales Sphingomonadaceae Novosphingobium 15.0 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Paracoccus 17.0 Bacteria Proteobacteria Gammaproteobacteria Vibrionales Vibrionaceae Photobacterium 2.0 Bacteria Bacteroidetes Flavobacteria Flavobacteriales Flavobacteriaceae Cellulophaga 3.0 Bacteria Bacteroidetes Flavobacteria Flavobacteriales Flavobacteriaceae Kordia 2.0 Bacteria Proteobacteria Gammaproteobacteria Oceanospirillales SUP05 cluster undef 76.0 Bacteria Actinobacteria Actinobacteria Corynebacteriales Nocardiaceae Rhodococcus 21474.0 Bacteria Actinobacteria Actinobacteria Micromonosporales Micromonosporaceae Actinoplanes 1.0 Bacteria Actinobacteria Actinobacteria Corynebacteriales Dietziaceae Dietzia 1.0 Bacteria Proteobacteria Gammaproteobacteria Oceanospirillales Hahellaceae Kistimonas 7.0 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Roseibacterium 1.0 Bacteria Actinobacteria Actinobacteria Micrococcales Micrococcaceae Arthrobacter 2.0 Bacteria Bacteroidetes Flavobacteria Flavobacteriales Flavobacteriaceae Maribacter 106.0 Bacteria Proteobacteria Gammaproteobacteria Alteromonadales Alteromonadaceae Agarivorans 67.0 Archaea Euryarchaeota Methanomicrobia Methanosarcinales Methanosaetaceae Methanosaeta 1373.0 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Rhodovulum 268.0 Bacteria Proteobacteria Betaproteobacteria Burkholderiales Comamonadaceae Sphaerotilus 2.0 Bacteria Firmicutes Clostridia Clostridiales Ruminococcaceae uncultured 1.0 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales Family Incertae Sedis Candidatus Hepatincola 3.0 Bacteria Verrucomicrobia Opitutae vadinHA64 undef undef 6.0 Bacteria Proteobacteria Gammaproteobacteria Xanthomonadales Xanthomonadaceae Frateuria 151.0 Bacteria Bacteroidetes VC2.1 Bac22 undef undef undef 2.0 Bacteria Proteobacteria Deltaproteobacteria Desulfobacterales Desulfobulbaceae Desulfobulbus 14.0 Bacteria Proteobacteria Alphaproteobacteria Rhodospirillales Rhodospirillaceae Telmatospirillum 108.0 Bacteria Firmicutes Clostridia Clostridiales Clostridiaceae Clostridium 112.0 Bacteria Firmicutes OPB54 undef undef undef 12.0 Bacteria Proteobacteria Betaproteobacteria Burkholderiales Comamonadaceae Ideonella 3.0 Archaea Thaumarchaeota Miscellaneous Crenarchaeotic Group undef undef undef 39.0 Bacteria Proteobacteria Deltaproteobacteria Desulfobacterales Desulfobulbaceae SEEP-SRB4 3.0 Bacteria Proteobacteria Deltaproteobacteria Myxococcales uncultured undef 2.0 Bacteria Proteobacteria Epsilonproteobacteria Campylobacterales Helicobacteraceae Sulfurovum 1.0 Archaea Euryarchaeota Halobacteria Halobacteriales Deep Sea Euryarchaeotic Group(DSEG) undef 134.0 Bacteria Proteobacteria Gammaproteobacteria Thiotrichales Piscirickettsiaceae Thiomicrospira 44.0 Bacteria Proteobacteria Alphaproteobacteria Sphingomonadales Erythrobacteraceae uncultured 1.0 Bacteria Proteobacteria Gammaproteobacteria Thiotrichales Family Incertae Sedis Fangia 2.0 Bacteria Bacteroidetes Flavobacteria Flavobacteriales Cryomorphaceae Lishizhenia 53.0 Bacteria Proteobacteria Deltaproteobacteria Desulfarculales Desulfarculaceae uncultured 11.0 Bacteria TM6 undef undef undef undef 962.0 Bacteria Chloroflexi Dehalococcoidia Sh765B-AG-111 undef undef 187.0 Archaea Euryarchaeota Halobacteria Halobacteriales Marine Hydrothermal Vent Group(MHVG) undef 2.0 Bacteria Proteobacteria Gammaproteobacteria Xanthomonadales Xanthomonadaceae Rhodanobacter 7.0 Bacteria Proteobacteria Betaproteobacteria Rhodocyclales Rhodocyclaceae undef 60.0 Bacteria Firmicutes Bacilli Bacillales Bacillaceae Halobacillus 2.0 Bacteria Lentisphaerae Lentisphaeria Victivallales Victivallaceae uncultured 7.0 Bacteria Lentisphaerae Lentisphaeria R76-B128 undef undef 3.0 Bacteria Proteobacteria Gammaproteobacteria Pseudomonadales Pseudomonadaceae uncultured 5.0 Bacteria Spirochaetae Spirochaetes Spirochaetales Spirochaetaceae Termite Treponema cluster 3.0 Bacteria Proteobacteria Betaproteobacteria Rhodocyclales Rhodocyclaceae uncultured 2.0 Archaea Thaumarchaeota Marine Benthic Group A undef undef undef 2.0 Archaea Thaumarchaeota AK31 undef undef undef 3.0 Bacteria Proteobacteria Alphaproteobacteria Rhizobiales Bradyrhizobiaceae Rhodopseudomonas 5.0 Bacteria Proteobacteria Deltaproteobacteria Desulfuromonadales Geobacteraceae Geobacter 1.0 Bacteria Proteobacteria Betaproteobacteria Burkholderiales Alcaligenaceae Achromobacter 10.0 Bacteria Firmicutes Clostridia Clostridiales Christensenellaceae uncultured 1.0 Bacteria Firmicutes Bacilli Lactobacillales Streptococcaceae Lactovum 1.0 Bacteria Proteobacteria Betaproteobacteria Burkholderiales Oxalobacteraceae Undibacterium 2.0 Bacteria Acidobacteria Acidobacteria Subgroup 6 undef undef 1.0 Bacteria Proteobacteria Betaproteobacteria Burkholderiales Comamonadaceae uncultured 3.0 Bacteria Actinobacteria Actinobacteria Corynebacteriales Nocardiaceae Smaragdicoccus 3.0 Bacteria Actinobacteria Actinobacteria Propionibacteriales Nocardioidaceae Aeromicrobium 9.0 Bacteria Proteobacteria Deltaproteobacteria Myxococcales Sandaracinaceae undef 2.0 Bacteria Proteobacteria Gammaproteobacteria Order Incertae Sedis Family Incertae Sedis Thiohalorhabdus 1.0 Bacteria Proteobacteria ARKDMS-49 undef undef undef 973.0 Bacteria Proteobacteria Gammaproteobacteria Alteromonadales Colwelliaceae uncultured 1.0 Bacteria Proteobacteria Betaproteobacteria Burkholderiales Comamonadaceae Comamonas 5.0 Bacteria Bacteroidetes Flavobacteria Flavobacteriales Flavobacteriaceae Subsaxibacter 3.0 Bacteria Fibrobacteres Fibrobacteria Order Incertae Sedis Family Incertae Sedis possible genus 02 3.0 Bacteria Proteobacteria Deltaproteobacteria Desulfovibrionales Desulfohalobiaceae undef 1.0 Bacteria Bacteroidetes Bacteroidia Bacteroidales Porphyromonadaceae Candidatus Azobacteroides 20.0 Bacteria Actinobacteria Actinobacteria Micrococcales Microbacteriaceae Microterricola 23.0 Bacteria Actinobacteria Actinobacteria Micrococcales Intrasporangiaceae Marihabitans 1.0 Bacteria Proteobacteria Alphaproteobacteria Sphingomonadales GOBB3-C201 undef 1.0 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Thioclava 3.0 Bacteria Proteobacteria Betaproteobacteria Rhodocyclales Rhodocyclaceae Dechloromonas 3.0 Bacteria Firmicutes Erysipelotrichia Erysipelotrichales Erysipelotrichaceae uncultured 1.0 Bacteria Proteobacteria Gammaproteobacteria Xanthomonadales Xanthomonadaceae Dyella 2.0 Bacteria Actinobacteria Actinobacteria Pseudonocardiales Pseudonocardiaceae Lentzea 27.0 Bacteria Proteobacteria TA18 undef undef undef 1.0 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Gaetbulicola 5.0 Bacteria Proteobacteria Gammaproteobacteria Methylococcales undef undef 1.0 Bacteria Proteobacteria Gammaproteobacteria Alteromonadales Alteromonadaceae Haliea 20.0 Bacteria Firmicutes Clostridia Clostridiales Family XVIII Incertae Sedis uncultured 3.0 Bacteria Chloroflexi Caldilineae Caldilineales Caldilineaceae uncultured 14.0 Bacteria Chloroflexi Dehalococcoidia vadinBA26 undef undef 2.0 Bacteria Chloroflexi JG30-KF-CM66 undef undef undef 11.0 Bacteria Actinobacteria Actinobacteria Micrococcales Microbacteriaceae Leifsonia 71.0 Bacteria Candidate division OP11 undef undef undef undef 2.0 Bacteria Fusobacteria Fusobacteriia BS1-0-74 undef undef 1.0 Bacteria Actinobacteria Acidimicrobiia Acidimicrobiales uncultured undef 3.0 Bacteria Verrucomicrobia OPB35 soil group undef undef undef 37.0 Bacteria Firmicutes Bacilli Bacillales Bacillaceae Halolactibacillus 464.0 Bacteria Acidobacteria Acidobacteria Subgroup 17 undef undef 1.0 Bacteria Proteobacteria Betaproteobacteria Burkholderiales Burkholderiaceae Limnobacter 1.0 Bacteria Proteobacteria Gammaproteobacteria Enterobacteriales Enterobacteriaceae Candidatus Ishikawaella 6.0 Bacteria Firmicutes Bacilli Bacillales Alicyclobacillaceae Tumebacillus 7.0 Bacteria Proteobacteria Gammaproteobacteria Enterobacteriales Enterobacteriaceae Escherichia-Shigella 2.0 Bacteria Verrucomicrobia Verrucomicrobiae Verrucomicrobiales Verrucomicrobiaceae Haloferula 2.0 Bacteria Actinobacteria Actinobacteria Propionibacteriales Propionibacteriaceae Friedmanniella 1.0 Archaea Euryarchaeota Halobacteria Halobacteriales Halobacteriaceae Salarchaeum 15.0 Bacteria Proteobacteria Deltaproteobacteria Desulfobacterales Desulfobacteraceae Desulfobacter 1.0 Bacteria Proteobacteria Gammaproteobacteria Chromatiales Ectothiorhodospiraceae Thiorhodospira 1.0 Bacteria Proteobacteria Gammaproteobacteria Methylococcales Marine Methylotrophic Group 1 undef 20.0 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Roseobacter clade AS-21 lineage 1.0 Bacteria Proteobacteria Deltaproteobacteria Desulfuromonadales GR-WP33-58 undef 1.0 Bacteria Proteobacteria Betaproteobacteria Methylophilales Methylophilaceae Methylotenera 1.0 Bacteria Candidate division SR1 undef undef undef undef 1.0 Bacteria Proteobacteria Gammaproteobacteria Chromatiales Chromatiaceae Chromatium 10.0 Bacteria Proteobacteria Gammaproteobacteria Xanthomonadales Xanthomonadaceae uncultured 3.0 Bacteria Proteobacteria Gammaproteobacteria Orbales Orbaceae Gilliamella 3.0 Bacteria Firmicutes Clostridia Clostridiales Clostridiaceae uncultured 1.0 Bacteria Proteobacteria Gammaproteobacteria Oceanospirillales ML617.5J-3 undef 5.0 Archaea Crenarchaeota Thermoprotei Thermoproteales Thermofilaceae Thermofilum 2.0 Bacteria Actinobacteria Actinobacteria Micrococcales Intrasporangiaceae Fodinibacter 4.0 Bacteria Firmicutes Clostridia Clostridiales Syntrophomonadaceae Thermosyntropha 4.0 Bacteria Bacteroidetes Flavobacteria Flavobacteriales Flavobacteriaceae Gilvibacter 21.0 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Poseidonocella 26.0 Bacteria Proteobacteria Class Incertae Sedis Order Incertae Sedis Family Incertae Sedis Candidatus Thiobios 1.0 Archaea Euryarchaeota Thermoplasmata Thermoplasmatales HO28S9A17 undef 2.0 Archaea Euryarchaeota Thermoplasmata Thermoplasmatales Thermoplasmataceae Thermoplasma 11.0 Archaea Crenarchaeota Thermoprotei Sulfolobales Sulfolobaceae Sulfolobus 2.0 Bacteria Proteobacteria Gammaproteobacteria Methylococcales Crenotrichaceae Crenothrix 5.0 Bacteria Bacteroidetes Cytophagia Cytophagales Flammeovirgaceae Tunicatimonas 1.0 Bacteria Cyanobacteria Cyanobacteria SubsectionII FamilyII Pleurocapsa 15.0 Bacteria Proteobacteria Gammaproteobacteria Alteromonadales Alteromonadaceae Maricurvus 34.0 Bacteria Proteobacteria Alphaproteobacteria Rhizobiales uncultured undef 1.0 Bacteria Firmicutes Clostridia Clostridiales Clostridiaceae Clostridiisalibacter 15.0 Bacteria Proteobacteria Gammaproteobacteria Enterobacteriales Enterobacteriaceae Serratia 2.0 Bacteria Bacteroidetes Flavobacteria Flavobacteriales Flavobacteriaceae Tamlana 2.0 Bacteria Proteobacteria Alphaproteobacteria Rhodospirillales AT-s3-44 undef 1.0 Bacteria Proteobacteria Alphaproteobacteria Sphingomonadales 7B-8 undef 4.0 Bacteria Actinobacteria Actinobacteria Frankiales uncultured undef 2.0 Bacteria Firmicutes Clostridia Clostridiales Ruminococcaceae Ruminococcus 1.0 Bacteria Candidate division OP3 undef undef undef undef 6.0 Bacteria Proteobacteria Betaproteobacteria Methylophilales Methylophilaceae uncultured 1.0 Bacteria Bacteroidetes Bacteroidia Bacteroidales BS11 gut group undef 91.0 Bacteria Lentisphaerae Lentisphaeria Lentisphaerales Lentisphaeraceae Lentisphaera 3.0 Bacteria Proteobacteria Gammaproteobacteria Chromatiales Chromatiaceae Marichromatium 3.0 Archaea Euryarchaeota Methanomicrobia Methanosarcinales Methanosarcinaceae Methanolobus 3.0 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Methylarcula 5.0 Bacteria Proteobacteria Alphaproteobacteria Adriatic90 undef undef 2.0 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales uncultured undef 1.0 Bacteria Proteobacteria Betaproteobacteria Burkholderiales Comamonadaceae Acidovorax 3.0 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Ruegeria 1.0 Bacteria Firmicutes Clostridia Clostridiales Clostridiaceae Thermohalobacter 1.0 Bacteria Bacteroidetes Flavobacteria Flavobacteriales Flavobacteriaceae Coenonia 1.0 Bacteria Proteobacteria Gammaproteobacteria Alteromonadales Idiomarinaceae Aliidiomarina 2.0 Bacteria Bacteroidetes Flavobacteria Flavobacteriales Flavobacteriaceae Aequorivita 1.0 Bacteria Proteobacteria Betaproteobacteria Methylophilales Methylophilaceae Methylophilus 2.0 Bacteria Proteobacteria Betaproteobacteria Burkholderiales Comamonadaceae Hydrogenophaga 1.0 Bacteria Chlamydiae Chlamydiae Chlamydiales Simkaniaceae Candidatus Rhabdochlamydia 1.0 Bacteria Proteobacteria Alphaproteobacteria Rhodospirillales Rhodospirillaceae Caenispirillum