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Volume 73, Issue 11

sp. nov., isolated from faecal droppings of black-faced ibis () No Access

Abstract

As part of a larger study on carried by wild birds in the city of Valdivia (southern Chile), two curved rod-shaped Gram-stain-negative strains (A82 and WB-40) were recovered from faecal samples and subjected to a taxonomic study. Results of a genus-specific PCR showed that these isolates belonged to the genus . Further identification by 16S rRNA and (60 kDa heat-shock protein) gene sequence analysis revealed that they formed a separate phylogenetic clade, different from other known species with ‘’ CNRCH 2005/566H and WBE14 being the most closely related species. This was confirmed by core-genome phylogeny as well as digital DNA–DNA hybridization and average nucleotide identity analyses between the genomes of strains A82 and WB-40 and all other species. The draft genome sequences of A82 and WB-40, obtained by Illumina NextSeq 2000 sequencing, consisted of 1.6 Mb with a G+C content of 31.9–32.0 mol%. The results obtained from the phylogenetic and genomic characterization, together with their different morphological and biochemical features, revealed that these two strains represent a novel species, for which we propose the name sp. nov. with A82 (=LMG 32718=CCCT 22.04) as the type strain.

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): Chile , faeces , Helicobacter and wild bird
Funding
This study was supported by the:
  • Comisión Nacional de Investigación Científica y Tecnológica (Award FONDECYT Project Nº 1200125)
    • Principle Award Recipient: LuisCollado
© 2023 The Authors
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/content/journal/ijsem/10.1099/ijsem.0.005983
2023-11-28
2024-05-09
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Helicobacter ibis sp. nov., isolated from faecal droppings of black-faced ibis (Theristicus melanopis)
Int J Syst Evol Microbiol 73, 005983 (2023); https://doi.org/10.1099/ijsem.0.005983
/content/journal/ijsem/10.1099/ijsem.0.005983
/content/journal/ijsem/10.1099/ijsem.0.005983
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