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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 70, Issue 5

Reclassification of genus into the family based on phylogenetic and genomic analyses Free

Abstract

The genus was established and designated as a member of the family in 2016. Although the taxonomical classification of most members in this family has been relatively resolved after two reclassifications in 2016 and 2017, the classification of the genus remains ambiguous. In this study, a polyphasic approach was used to provide evidence supporting the fact that the genus should no longer be considered a member of and proposes its reclassification into the family . The phylogenetic tree of type species in the families and based on the sequences of the 16S rRNA gene, housekeeping gene, and the whole-genome comprising the 92 core genes revealed that the genus forms a phylogenetic lineage within the family . The average nucleotide identity (ANI) value of the type species with genus was found to be higher for the family than that for the family . Notably, 12 conserved signature indels (CSIs) that are exclusively shared among the clade members were found in the type strains of the genus . Based on these analyses, this study suggests the reclassification of and into the family .

  • Received:
  • Accepted:
  • Revised:
  • Published Online:
Keyword(s): Erwiniaceae , polyphasic analysis and reclassification
Funding
This study was supported by the:
  • National Research Foundation of Korea (Award NRF-2019M3A9F3065226)
    • Principle Award Recipient: Ju Huck Lee
  • Korea Research Institute of Bioscience and Biotechnology (Award KGM5282021)
    • Principle Award Recipient: Jiyoung Lee
© 2020 The Authors
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/content/journal/ijsem/10.1099/ijsem.0.004192
2020-05-05
2024-04-16
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Reclassification of genus Izhakiella into the family Erwiniaceae based on phylogenetic and genomic analyses
Int J Syst Evol Microbiol 70, 3541 (2020); https://doi.org/10.1099/ijsem.0.004192
/content/journal/ijsem/10.1099/ijsem.0.004192
/content/journal/ijsem/10.1099/ijsem.0.004192
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