Name: Ignavibacterium album Iino et al. 2010

Category: Species

Proposed as: sp. nov.

Etymology: al’bum. L. neut. adj. album, white

Gender: neuter

Type strain: DSM 19864; JCM 16511; Mat9-16; NBRC 101810

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB478415 Analyse FASTA

Valid publication: Iino T, Mori K, Uchino Y, Nakagawa T, Harayama S, Suzuki K. Ignavibacterium album gen. nov., sp. nov., a moderately thermophilic anaerobic bacterium isolated from microbial mats at a terrestrial hot spring and proposal of Ignavibacteria classis nov., for a novel lineage at the periphery of green sulfur bacteria. Int J Syst Evol Microbiol 2010; 60:1376-1382.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 60, part 6 of the IJSEM. Int J Syst Evol Microbiol 2010; 60:1987-1988.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Podosokorskaya et al. 2013 Podosokorskaya OA, Kadnikov VV, Gavrilov SN, Mardanov AV, Merkel AY, Karnachuk OV, Ravin NV, Bonch-Osmolovskaya EA, Kublanov IV. Characterization of Melioribacter roseus gen. nov., sp. nov., a novel facultatively anaerobic thermophilic cellulolytic bacterium from the class Ignavibacteria, and a proposal of a novel bacterial phylum Ignavibacteriae. Environ Microbiol 2013; 15:1759-1771. Oren A, Garrity GM. List of changes in taxonomic opinion no. 19. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2014; 64:8-10.

• Notes:
  • 🥇 Nomenclatural type of the genus Ignavibacterium Iino et al. 2010. Publication: Iino T, Mori K, Uchino Y, Nakagawa T, Harayama S, Suzuki K. Ignavibacterium album gen. nov., sp. nov., a moderately thermophilic anaerobic bacterium isolated from microbial mats at a terrestrial hot spring and proposal of Ignavibacteria classis nov., for a novel lineage at the periphery of green sulfur bacteria. Int J Syst Evol Microbiol 2010; 60:1376-1382.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 8 times in PubMed until 2024-03-28.
  • 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by García-López et al. (2019). Publication: Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083.
  • 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Hahnke et al. (2016). Publication: Hahnke RL, Meier-Kolthoff JP, Garcia-Lopez M, Mukherjee S, Huntemann M, Ivanova NN, Woyke T, Kyrpides NC, Klenk HP, Goker M. Genome-Based Taxonomic Classification of Bacteroidetes. Front Microbiol 2016; 7:2003.

Parent taxon: Ignavibacterium Iino et al. 2010

Assigned by: Iino T, Mori K, Uchino Y, Nakagawa T, Harayama S, Suzuki K. Ignavibacterium album gen. nov., sp. nov., a moderately thermophilic anaerobic bacterium isolated from microbial mats at a terrestrial hot spring and proposal of Ignavibacteria classis nov., for a novel lineage at the periphery of green sulfur bacteria. Int J Syst Evol Microbiol 2010; 60:1376-1382.

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Record number: 788576