Deciphering microbial landscapes of fish eggs to mitigate emerging diseases

Yiying Liu, I. De Bruijn, A. Jack, K. Drynan, A.H. van den Berg, E. Thoen, V. Sandoval-Sierra, I. Skaar, P. van West, J. Diéguez-Uribeondo, M. van der Voort, R. Mendes, M. Mazzola, J.M. Raaijmakers

Research output: Contribution to journal/periodicalArticleScientificpeer-review

Abstract

Animals and plants are increasingly suffering from diseases caused by fungi and oomycetes. These emerging pathogens are now recognized as a global threat to biodiversity and food security. Among oomycetes, Saprolegnia species cause significant declines in fish and amphibian populations. Fish eggs have an immature adaptive immune system and depend on nonspecific innate defences to ward off pathogens. Here, meta-taxonomic analyses revealed that Atlantic salmon eggs are home to diverse fungal, oomycete and bacterial communities. Although virulent Saprolegnia isolates were found in all salmon egg samples, a low incidence of Saprolegniosis was strongly correlated with a high richness and abundance of specific commensal Actinobacteria, with the genus Frondihabitans (Microbacteriaceae) effectively inhibiting attachment of Saprolegniato salmon eggs. These results highlight that fundamental insights into microbial landscapes of fish eggs may provide new sustainable means to mitigate emerging diseases. The ISME Journal advance online publication, 27 March 2014; doi:10.1038/ismej.2014.44 Subject Category: Microbe-microbe and microbe-host interactions Keywords: salmon; Saprolegniosis; Actinobacteria; microbiome; emerging pathogens
Original languageEnglish
Pages (from-to)2002-2014
JournalISME Journal
Volume8
Early online date27 Mar 2014
DOIs
Publication statusPublished - 2014

Keywords

  • international

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    Liu, Y., De Bruijn, I., Jack, A., Drynan, K., van den Berg, A. H., Thoen, E., Sandoval-Sierra, V., Skaar, I., van West, P., Diéguez-Uribeondo, J., van der Voort, M., Mendes, R., Mazzola, M., & Raaijmakers, J. M. (2014). Deciphering microbial landscapes of fish eggs to mitigate emerging diseases. ISME Journal, 8, 2002-2014. https://doi.org/10.1038/ismej.2014.44