Name: Lacrimispora amygdalina (Parshina et al. 2003) Haas and Blanchard 2020

Category: Species

Proposed as: comb. nov.

Basonym: Clostridium amygdalinum Parshina et al. 2003

Etymology: a.myg.da’li.na. L. fem. adj. amygdalina, made from almonds, referring to the smell of benzaldehyde, which is reduced by the type strain

Pronunciation (Latin), gender: … a-myg-DA-li-na, feminine

Type strain: ATCC BAA-501; BR 10; DSM 12857

Conduct genome-based taxonomy at

16S rRNA gene: AY353957 Analyse FASTA

Valid publication: Haas KN, Blanchard JL. Reclassification of the Clostridium clostridioforme and Clostridium sphenoides clades as Enterocloster gen. nov. and Lacrimispora gen. nov., including reclassification of 15 taxa. Int J Syst Evol Microbiol 2020; 70:23-34. 🇺🇸

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 1 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:2167-2173.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

• Synonyms:

  • Name	Kind
    Clostridium indicum Gundawar et al. 2019	heterotypic synonym, validly published under the ICNP
    "Lacrimispora indica" (Gundawar et al. 2019) Urvashi et al. 2022	heterotypic synonym, not validly published
    Clostridium amygdalinum Parshina et al. 2003	homotypic synonym, validly published under the ICNP

• Emendations:
  • Kobayashi et al. 2024 Kobayashi H, Tanizawa Y, Sakamoto M, Ohkuma M, Tohno M. Lacrimispora brassicae sp. nov. isolated from fermented cabbage, and proposal of Clostridium indicum Gundawar et al. 2019 and Clostridium methoxybenzovorans Mechichi et al. 1999 as heterotypic synonyms of Lacrimispora amygdalina (Parshina et al. 2003) Haas and Blanchard 2020 and Lacrimispora indolis (McClung and McCoy 1957) Haas and Blanchard 2020, respectively. Int J Syst Evol Microbiol 2024; 74:6456. 🇯🇵 Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 74, part 7 of the IJSEM. Int J Syst Evol Microbiol 2024; 74:6494.
    Notes:
    • 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.

• Notes:
  • ⏰ According to Kobayashi et al. (2024), this species is an earlier heterotypic synonym of Clostridium indicum Gundawar et al. 2019. Publication: Kobayashi H, Tanizawa Y, Sakamoto M, Ohkuma M, Tohno M. Lacrimispora brassicae sp. nov. isolated from fermented cabbage, and proposal of Clostridium indicum Gundawar et al. 2019 and Clostridium methoxybenzovorans Mechichi et al. 1999 as heterotypic synonyms of Lacrimispora amygdalina (Parshina et al. 2003) Haas and Blanchard 2020 and Lacrimispora indolis (McClung and McCoy 1957) Haas and Blanchard 2020, respectively. Int J Syst Evol Microbiol 2024; 74:6456. 🇯🇵
  • ⏰ According to Kobayashi et al. (2024), this species is an earlier heterotypic synonym of "Lacrimispora indica" (Gundawar et al. 2019) Urvashi et al. 2022. Publication: Kobayashi H, Tanizawa Y, Sakamoto M, Ohkuma M, Tohno M. Lacrimispora brassicae sp. nov. isolated from fermented cabbage, and proposal of Clostridium indicum Gundawar et al. 2019 and Clostridium methoxybenzovorans Mechichi et al. 1999 as heterotypic synonyms of Lacrimispora amygdalina (Parshina et al. 2003) Haas and Blanchard 2020 and Lacrimispora indolis (McClung and McCoy 1957) Haas and Blanchard 2020, respectively. Int J Syst Evol Microbiol 2024; 74:6456. 🇯🇵
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 74, part 7 of the IJSEM. Int J Syst Evol Microbiol 2024; 74:6494.
  • 🎓 Name mentioned 3 times in PubMed until 2025-06-04.
  • 🫡 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded pathogenicity of the species itself. This name is not taxonomically suspended any more in favour of Clostridium amygdalinum Parshina et al. 2003. Publication: Parshina SN, Kleerebezem R, Sanz JL, Lettinga G, Nozhevnikova AN, Kostrikina NA, Lysenko AM, Stams AJ. Soehngenia saccharolytica gen. nov., sp. nov. and Clostridium amygdalinum sp. nov., two novel anaerobic, benzaldehyde-converting bacteria. Int J Syst Evol Microbiol 2003; 53:1791-1799. 🇷🇺 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 53, part 6 of the IJSEM. Int J Syst Evol Microbiol 2004; 54:309-311.

Parent taxon: Lacrimispora Haas and Blanchard 2020

Assigned by: Haas KN, Blanchard JL. Reclassification of the Clostridium clostridioforme and Clostridium sphenoides clades as Enterocloster gen. nov. and Lacrimispora gen. nov., including reclassification of 15 taxa. Int J Syst Evol Microbiol 2020; 70:23-34. 🇺🇸

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Record number: 5944