| 1 | Introducing EzBioCloud: a taxonomically united database of 16S rRNA gene sequences and whole-genome assemblies | International Journal of Systematic and Evolutionary Microbiology | 2017 | 7,070 |
| 2 | Report of the Ad Hoc Committee on Reconciliation of Approaches to Bacterial Systematics | International Journal of Systematic and Evolutionary Microbiology | 1987 | 6,822 |
| 3 | Taxonomic Note: A Place for DNA-DNA Reassociation and 16S rRNA Sequence Analysis in the Present Species Definition in Bacteriology | International Journal of Systematic and Evolutionary Microbiology | 1994 | 6,208 |
| 4 | Introducing EzTaxon-e: a prokaryotic 16S rRNA gene sequence database with phylotypes that represent uncultured species | International Journal of Systematic and Evolutionary Microbiology | 2012 | 5,042 |
| 5 | DNA–DNA hybridization values and their relationship to whole-genome sequence similarities | International Journal of Systematic and Evolutionary Microbiology | 2007 | 4,601 |
| 6 | A taxonomic note on the genus Lactobacillus: Description of 23 novel genera, emended description of the genus Lactobacillus Beijerinck 1901, and union of Lactobacillaceae and Leuconostocaceae | International Journal of Systematic and Evolutionary Microbiology | 2020 | 3,184 |
| 7 | Towards a taxonomic coherence between average nucleotide identity and 16S rRNA gene sequence similarity for species demarcation of prokaryotes | International Journal of Systematic and Evolutionary Microbiology | 2014 | 2,923 |
| 8 | Proposed minimal standards for the use of genome data for the taxonomy of prokaryotes | International Journal of Systematic and Evolutionary Microbiology | 2018 | 2,859 |
| 9 | OrthoANI: An improved algorithm and software for calculating average nucleotide identity | International Journal of Systematic and Evolutionary Microbiology | 2016 | 2,825 |
| 10 | EzTaxon: a web-based tool for the identification of prokaryotes based on 16S ribosomal RNA gene sequences | International Journal of Systematic and Evolutionary Microbiology | 2007 | 1,999 |
| 11 | Akkermansia muciniphila gen. nov., sp. nov., a human intestinal mucin-degrading bacterium | International Journal of Systematic and Evolutionary Microbiology | 2004 | 1,892 |
| 12 | Reorganization of genera in the families Rickettsiaceae and Anaplasmataceae in the order Rickettsiales: unification of some species of Ehrlichia with Anaplasma, Cowdria with Ehrlichia and Ehrlichia with Neorickettsia, descriptions of six new species combinations and designation of Ehrlichia equi and 'HGE agent' as subjective synonyms of Ehrlichia phagocytophila. | International Journal of Systematic and Evolutionary Microbiology | 2001 | 1,825 |
| 13 | List of Prokaryotic names with Standing in Nomenclature (LPSN) moves to the DSMZ | International Journal of Systematic and Evolutionary Microbiology | 2020 | 1,619 |
| 14 | Proposed minimal standards for describing new taxa of the family Flavobacteriaceae and emended description of the family. | International Journal of Systematic and Evolutionary Microbiology | 2002 | 1,482 |
| 15 | Notes on the characterization of prokaryote strains for taxonomic purposes | International Journal of Systematic and Evolutionary Microbiology | 2010 | 1,318 |
| 16 | Report of the ad hoc committee for the re-evaluation of the species definition in bacteriology. | International Journal of Systematic and Evolutionary Microbiology | 2002 | 984 |
| 17 | Genome-based phylogeny and taxonomy of the ‘Enterobacteriales’: proposal for Enterobacterales ord. nov. divided into the families Enterobacteriaceae, Erwiniaceae fam. nov., Pectobacteriaceae fam. nov., Yersiniaceae fam. nov., Hafniaceae fam. nov., Morganellaceae fam. nov., and Budviciaceae fam. nov. | International Journal of Systematic and Evolutionary Microbiology | 2016 | 936 |
| 18 | List of Bacterial Names with Standing in Nomenclature: a Folder Available on the Internet | International Journal of Systematic and Evolutionary Microbiology | 1997 | 927 |
| 19 | Emended description of the order Chlamydiales, proposal of Parachlamydiaceae fam. nov. and Simkaniaceae fam. nov., each containing one monotypic genus, revised taxonomy of the family Chlamydiaceae, including a new genus and five new species, and standards for the identification of organisms | International Journal of Systematic and Evolutionary Microbiology | 1999 | 919 |
| 20 | Description of Cellulophaga algicola sp. nov., isolated from the surfaces of Antarctic algae, and reclassification of Cytophaga uliginosa (ZoBell and Upham 1944) Reichenbach 1989 as Cellulophaga uliginosa comb. nov. | International Journal of Systematic and Evolutionary Microbiology | 2000 | 877 |
| 21 | The phagotrophic origin of eukaryotes and phylogenetic classification of Protozoa. | International Journal of Systematic and Evolutionary Microbiology | 2002 | 877 |
| 22 | Proposal to reclassify the proteobacterial classes Deltaproteobacteria and Oligoflexia, and the phylum Thermodesulfobacteria into four phyla reflecting major functional capabilities | International Journal of Systematic and Evolutionary Microbiology | 2020 | 853 |
| 23 | Phylogenetic affiliation of the pseudomonads based on 16S rRNA sequence. | International Journal of Systematic and Evolutionary Microbiology | 2000 | 845 |
| 24 | Biodiversity and systematics of basidiomycetous yeasts as determined by large-subunit rDNA D1/D2 domain sequence analysis. | International Journal of Systematic and Evolutionary Microbiology | 2000 | 843 |
| 25 | Naxibacter alkalitolerans gen. nov., sp. nov., a novel member of the family ‘Oxalobacteraceae’ isolated from China | International Journal of Systematic and Evolutionary Microbiology | 2005 | 830 |
| 26 | Identification of yeasts by RFLP analysis of the 5.8S rRNA gene and the two ribosomal internal transcribed spacers | International Journal of Systematic and Evolutionary Microbiology | 1999 | 811 |
| 27 | Proposal of the genus Sphingomonas sensu stricto and three new genera, Sphingobium, Novosphingobium and Sphingopyxis, on the basis of phylogenetic and chemotaxonomic analyses. | International Journal of Systematic and Evolutionary Microbiology | 2001 | 807 |
| 28 | Georgenia ruanii sp. nov., a novel actinobacterium isolated from forest soil in Yunnan (China), and emended description of the genus Georgenia | International Journal of Systematic and Evolutionary Microbiology | 2007 | 803 |
| 29 | An update of the structure and 16S rRNA gene sequence-based definition of higher ranks of the class Actinobacteria, with the proposal of two new suborders and four new families and emended descriptions of the existing higher taxa | International Journal of Systematic and Evolutionary Microbiology | 2009 | 799 |
| 30 | LPSN – List of Prokaryotic names with Standing in Nomenclature (bacterio.net), 20 years on | International Journal of Systematic and Evolutionary Microbiology | 2018 | 796 |
| 31 | Reclassification of some species of Thiobacillus to the newly designated genera Acidithiobacillus gen. nov., Halothiobacillus gen. nov. and Thermithiobacillus gen. nov. | International Journal of Systematic and Evolutionary Microbiology | 2000 | 758 |
| 32 | Valid publication of the names of forty-two phyla of prokaryotes | International Journal of Systematic and Evolutionary Microbiology | 2021 | 720 |
| 33 | Taxonomic study of aerobic thermophilic bacilli: descriptions of Geobacillus subterraneus gen. nov., sp. nov. and Geobacillus uzenensis sp. nov. from petroleum reservoirs and transfer of Bacillus stearothermophilus, Bacillus thermocatenulatus, Bacillus thermoleovorans, Bacillus kaustophilus, Bacillus thermodenitrificans to Geobacillus as the new combinations G. stearothermophilus, G. th. | International Journal of Systematic and Evolutionary Microbiology | 2001 | 705 |
| 34 | Anaerolinea thermolimosa sp. nov., Levilinea saccharolytica gen. nov., sp. nov. and Leptolinea tardivitalis gen. nov., sp. nov., novel filamentous anaerobes, and description of the new classes Anaerolineae classis nov. and Caldilineae classis nov. in the bacterial phylum Chloroflexi | International Journal of Systematic and Evolutionary Microbiology | 2006 | 636 |
| 35 | Growth requirements and fermentation products of Fusobacterium prausnitzii, and a proposal to reclassify it as Faecalibacterium prausnitzii gen. nov., comb. nov. | International Journal of Systematic and Evolutionary Microbiology | 2002 | 633 |
| 36 | Taxonomic use of DNA G+C content and DNA–DNA hybridization in the genomic age | International Journal of Systematic and Evolutionary Microbiology | 2014 | 623 |
| 37 | A revision of Rhizobium Frank 1889, with an emended description of the genus, and the inclusion of all species of Agrobacterium Conn 1942 and Allorhizobium undicola de Lajudie et al. 1998 as new combinations: Rhizobium radiobacter, R. rhizogenes, R. rubi, R. undicola and R. vitis. | International Journal of Systematic and Evolutionary Microbiology | 2001 | 602 |
| 38 | Polyphasic taxonomy of the genus Shewanella and description of Shewanella oneidensis sp. nov. | International Journal of Systematic and Evolutionary Microbiology | 1999 | 595 |
| 39 | Construction of an interactive online phytoplasma classification tool, iPhyClassifier, and its application in analysis of the peach X-disease phytoplasma group (16SrIII) | International Journal of Systematic and Evolutionary Microbiology | 2009 | 561 |
| 40 | Integrating genomics into the taxonomy and systematics of the Bacteria and Archaea | International Journal of Systematic and Evolutionary Microbiology | 2014 | 560 |
| 41 | Dehalococcoides mccartyi gen. nov., sp. nov., obligately organohalide-respiring anaerobic bacteria relevant to halogen cycling and bioremediation, belong to a novel bacterial class, Dehalococcoidia classis nov., order Dehalococcoidales ord. nov. and family Dehalococcoidaceae fam. nov., within the phylum Chloroflexi | International Journal of Systematic and Evolutionary Microbiology | 2013 | 554 |
| 42 | Methanomassiliicoccus luminyensis gen. nov., sp. nov., a methanogenic archaeon isolated from human faeces | International Journal of Systematic and Evolutionary Microbiology | 2012 | 552 |
| 43 | Ralstonia taiwanensis sp. nov., isolated from root nodules of Mimosa species and sputum of a cystic fibrosis patient. | International Journal of Systematic and Evolutionary Microbiology | 2001 | 533 |
| 44 | Cronobacter gen. nov., a new genus to accommodate the biogroups of Enterobacter sakazakii, and proposal of Cronobacter sakazakii gen. nov., comb. nov., Cronobacter malonaticus sp. nov., Cronobacter turicensis sp. nov., Cronobacter muytjensii sp. nov., Cronobacter dublinensis sp. nov., Cronobacter genomospecies 1, and of three subspecies, Cronobacter dublinensis subsp. dublinensis subsp. nov., Cronobacter dublinensis subsp. lausannensis subsp. nov. and Cronobacter dublinensis subsp. lactaridi subsp. nov. | International Journal of Systematic and Evolutionary Microbiology | 2008 | 531 |
| 45 | Taxonomy of the genus Cupriavidus: a tale of lost and found | International Journal of Systematic and Evolutionary Microbiology | 2004 | 504 |
| 46 | Muricauda ruestringensis gen. nov., sp. nov., a facultatively anaerobic, appendaged bacterium from German North Sea intertidal sediment. | International Journal of Systematic and Evolutionary Microbiology | 2001 | 501 |
| 47 | Phylogenetic analysis of members of the genus Rickettsia using the gene encoding the outer-membrane protein rOmpB (ompB). | International Journal of Systematic and Evolutionary Microbiology | 2000 | 496 |
| 48 | ContEst16S: an algorithm that identifies contaminated prokaryotic genomes using 16S RNA gene sequences | International Journal of Systematic and Evolutionary Microbiology | 2017 | 496 |
| 49 | Gemmatimonas aurantiaca gen. nov., sp. nov., a Gram-negative, aerobic, polyphosphate-accumulating micro-organism, the first cultured representative of the new bacterial phylum Gemmatimonadetes phyl. nov. | International Journal of Systematic and Evolutionary Microbiology | 2003 | 494 |
| 50 | A phylogenomic and comparative genomic framework for resolving the polyphyly of the genus Bacillus: Proposal for six new genera of Bacillus species, Peribacillus gen. nov., Cytobacillus gen. nov., Mesobacillus gen. nov., Neobacillus gen. nov., Metabacillus gen. nov. and Alkalihalobacillus gen. nov. | International Journal of Systematic and Evolutionary Microbiology | 2020 | 473 |
