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Dangosydd eitem ddigidol (DOI)

  • Perrine Florent
    Luxembourg Institute of Science and Technology
  • Henry-Michel Cauchie
    Luxembourg Institute of Science and Technology
  • Malte Herold
    Luxembourg Institute of Science and Technology
  • Stephan Jacquet
    Institut national de recherche pour l’agriculture, l’alimentation et l’environnement (INRAE)
  • Leslie Ogorzaly
    Luxembourg Institute of Science and Technology
Bacteriophages participate in soil life by influencing bacterial community structure and function, biogeochemical cycling and horizontal gene transfer. Despite their great abundance, diversity, and importance in microbial processes, they remain little explored in environmental studies. The influence of abiotic factors on the persistence of bacteriophages is now recognized; however, it has been mainly studied under experimental conditions. This study aimed to determine whether the abiotic factors well-known to influence bacteriophage persistence also control the natural distribution of the known DNA bacteriophage populations. To this end, soil from eight study sites including forests and grasslands located in the Attert River basin (Grand Duchy of Luxembourg) were sampled, covering different soil and land cover characteristics. Shotgun metagenomics, reference-based bioinformatics and statistical analyses allowed characterising the diversity of known DNA bacteriophage and bacterial communities. After combining soil properties with the identified DNA bacteriophage populations, our in-situ study highlighted the influence of pH and calcium cations on the diversity of the known fraction of the soil DNA bacteriophages. More interestingly, significant relationships were established between bacteriophage and bacterial populations. This study provides new insights into the importance of abiotic and biotic factors in the distribution of DNA bacteriophages and the natural ecology of terrestrial bacteriophages.
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Dynodwyr Gwrthrych Digidol (DOIs)
StatwsCyhoeddwyd - 19 Gorff 2022

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