Terrisporobacter hibernicus sp. nov., isolated from bovine faeces in Northern Ireland

Molly Mitchell*, Scott V. Nguyen*, Mairead Connor, Derek J. Fairley, Orla Donoghue, Helina Marshall, Leonard Koolman, Geoff McMullan, Kirsten E. Schaffer, John W. McGrath, Séamus Fanning*

*Corresponding author for this work

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A new species of Terrisporobacter, a Gram-positive, spore-forming anaerobic group, proposed name Terrisporobacter hibernicus sp. nov., was isolated in Northern Ireland from bovine faeces collected in 2016. Designated as MCA3T, cells of T. hibernicus sp. nov. are rod shaped and motile. Cells tolerate NaCl from 0.5 to 5.5 % (w/v), with a pH tolerance between pH 6 and 9. The optimal temperature for growth is 35–40 °C, and temperatures from 20 to 30 °C are tolerated. The polar lipid profile displays diphosphatidylglycerol, phosphatidylglycerol, two aminoglycolipids, one glycophospholipid, one aminolipid, three glycolipids, five phospholipids and one lipid. No respiratory quinones are detected. The predominant fatty acid profile includes C16 : 0 at 22.8 %. Strain MCA3T is positive for glucose and maltose acidification, as well as glycerol and sorbitol. The biochemical results from a VITEK2 assay of strain MCA3T, Terrisporobacter petrolearius LAM0A37T and Terrisporobacter mayombei DSM 6539T are also included for the first time. The closed and complete genome of strain MCA3T from a hybrid Oxford Nanopore Technology MinION/Illumina assembly reveals no evidence for known virulence genes. Draft genome sequencing of T. mayombei DSM 6539T and T. petrolearius LAM0A37T, as performed by Illumina MiSeq, provides reference genomes for these respective species of Terrisporobacter for the first time. DNA–DNA hybridization values (d4) of MCA3T to Terrisporobacter glycolicus ATCC 14880T, T. petrolearius LAM0A37T and T. mayombei DSM 6539T are 48.8, 67.4 and 46.3 %, with cutoff value at 70 %. The type strain for T. hibernicus sp. nov. is MCA3T (=NCTC 14625T=LMG 32430T).

Original languageEnglish
Article number005667
Number of pages7
JournalInternational Journal of Systematic and Evolutionary Microbiology
Issue number1
Publication statusPublished - 10 Jan 2023


  • Illumina MiSeq
  • ONT MinION
  • phylogeny
  • Terrisporobacter
  • Terrisporobacter hibernicus
  • WGS

ASJC Scopus subject areas

  • Microbiology
  • Ecology, Evolution, Behavior and Systematics


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