Draft Genome Sequence of Oenococcus kitaharae CRBO2176, Isolated from Homemade Water Kefir

The Oenococcus genus comprises four recognized species, and members have been found in different types of beverages, including wine, kefir, cider and kombucha. In this work, we implemented two complementary strategies to assess whether oenococcal hosts of different species and habitats were connected through their bacteriophages. First, we investigated the diversity of CRISPR-Cas systems using a genome-mining approach, and CRISPR-endowed strains were identified in three species. A census of the spacers from the four identified CRISPR-Cas loci showed that each spacer space was mostly dominated by species-specific sequences. Yet, we characterized a limited records of potentially recent and also ancient infections between O. kitaharae and O. sicerae and phages of O. oeni, suggesting that some related phages have interacted in diverse ways with their Oenococcus hosts over evolutionary time. Second, phage-host interaction analyses were performed experimentally with a diversified panel of phages and strains. None of the tested phages could infect strains across the species barrier. Yet, some infections occurred between phages and hosts from distinct beverages in the O. oeni species.

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Draft Genome Sequence of Oenococcus kitaharae CRBO2176, Isolated from Homemade Water Kefir

Cited by 2 publications

References 19 publications

Challenges in water kefir production and limitations in human consumption: A comprehensive review of current knowledge

Challenges in water kefir production and limitations in human consumption: A comprehensive review of current knowledge

Phage Encounters Recorded in CRISPR Arrays in the Genus Oenococcus

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