International Journal of Systematic and Evolutionary Microbiology

ISSN: 1466-5026
E-ISSN: 1466-5034

Official publication of the ICSP and the BAM division of the IUMS.

International Journal of Systematic and Evolutionary Microbiology (previously International Journal of Systematic Bacteriology) is the journal of record for publication of novel microbial taxa and the official publication of the International Committee on Systematics of Prokaryotes and the Bacteriology and Applied Microbiology Division of the International Union of Microbiological Societies. See full journal scope.

Instructions for authors for International Journal of Systematic and Evolutionary Microbiology can be found here.

Editorial Board
Editor-in-Chief: Professor Martha E Trujillo, University of Salamanca, Spain
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The Microbiology Society's founding journal, Microbiology, is now fully Open Access (OA). Find out more about the transformation here.

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International Committee on Systematics of Prokaryotes (ICSP) Subcommittee on the taxonomy of Chlamydiae: Minutes of the closed meeting, 25 August 2022, ESCCAR Meeting Lausanne, Switzerland

Collection and curation of prokaryotic genome assemblies from type strains at NCBI

Melaminivora suipulveris sp. nov., isolated from pigpen dust

Paenibacillus rhizolycopersici sp. nov., an oligotrophic bacterium isolated from a tomato plant in China

Akkermansia biwaensis sp. nov., an anaerobic mucin-degrading bacterium isolated from human faeces

Anaeromicropila herbilytica gen. nov., sp. nov., a plant polysaccharide-decomposing anaerobic bacterium isolated from anoxic soil subjected to reductive soil disinfestation, and reclassification of Clostridium populeti as Anaeromicropila populeti comb. nov.

Reclassification of Clostridium cocleatum, Clostridium ramosum, Clostridium spiroforme and Clostridium saccharogumia as Thomasclavelia cocleata gen. nov., comb. nov., Thomasclavelia ramosa comb. nov., gen. nov., Thomasclavelia spiroformis comb. nov. and Thomasclavelia saccharogumia comb. nov

Sandaracinobacteroides sayramensis sp. nov., a yellow-pigmented bacterium isolated from lake water

Thermospira aquatica gen. nov., sp. nov., a novel thermophilic spirochete isolated from a Tunisian hot spring, and description of the novel family Thermospiraceae.

Agromyces seonyuensis sp. nov., isolated from island soil

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Introducing EzBioCloud: a taxonomically united database of 16S rRNA gene sequences and whole-genome assemblies

DNA–DNA hybridization values and their relationship to whole-genome sequence similarities

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

Akkermansia muciniphila gen. nov., sp. nov., a human intestinal mucin-degrading bacterium

Towards a taxonomic coherence between average nucleotide identity and 16S rRNA gene sequence similarity for species demarcation of prokaryotes

Proposed minimal standards for the use of genome data for the taxonomy of prokaryotes

Taxonomic Note: A Place for DNA-DNA Reassociation and 16S rRNA Sequence Analysis in the Present Species Definition in Bacteriology

Methods for characterization of Streptomyces species 1

OrthoANI: An improved algorithm and software for calculating average nucleotide identity

Introducing EzTaxon-e: a prokaryotic 16S rRNA gene sequence database with phylotypes that represent uncultured species