Assembly and Comparison of Ca. Neoehrlichia mikurensis Genomes

Tal Azagi*, Ron P. Dirks, Elena S. Yebra-Pimentel, Peter J. Schaap, Jasper J. Koehorst, Helen J. Esser, Hein Sprong

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

3 Citations (Scopus)


Ca. Neoehrlichia mikurensis is widely prevalent in I. ricinus across Europe and has been associated with human disease. However, diagnostic modalities are limited, and much is still unknown about its biology. Here, we present the first complete Ca. Neoehrlichia mikurensis genomes directly derived from wildlife reservoir host tissues, using both long-and short-read sequencing technologies. This pragmatic approach provides an alternative to obtaining sufficient material from clinical cases, a difficult task for emerging infectious diseases, and to expensive and challenging bacterial isolation and culture methods. Both genomes exhibit a larger chromosome than the currently available Ca. Neoehrlichia mikurensis genomes and expand the ability to find new targets for the development of supportive laboratory diagnostics in the future. Moreover, this method could be utilized for other tick-borne pathogens that are difficult to culture.

Original languageEnglish
Article number1134
Issue number6
Publication statusPublished - Jun 2022


  • Anaplasmataceae
  • Ixodes ricinus
  • Nanopore sequencing
  • Rickettsiales
  • Tick-borne pathogens


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