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Microbial community shifts associated with the ongoing stony coral tissue loss disease outbreak on the Florida Reef Tract

View ORCID ProfileJulie L. Meyer, Jessy Castellanos-Gell, Greta S. Aeby, Claudia Häse, View ORCID ProfileBlake Ushijima, View ORCID ProfileValerie J. Paul
doi: https://doi.org/10.1101/626408
Julie L. Meyer
1Soil and Water Sciences Department, University of Florida, Gainesville, FL, USA
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  • For correspondence: juliemeyer@ufl.edu
Jessy Castellanos-Gell
1Soil and Water Sciences Department, University of Florida, Gainesville, FL, USA
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Greta S. Aeby
2Smithsonian Marine Station, Ft. Pierce, FL, USA
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Claudia Häse
3Carlson College of Veterinary Medicine, Oregon State University, Corvallis, OR, USA
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Blake Ushijima
2Smithsonian Marine Station, Ft. Pierce, FL, USA
3Carlson College of Veterinary Medicine, Oregon State University, Corvallis, OR, USA
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Valerie J. Paul
2Smithsonian Marine Station, Ft. Pierce, FL, USA
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ABSTRACT

As many as 22 of the 45 coral species on the Florida Reef Tract are currently affected by stony coral tissue loss disease (SCTLD). The ongoing disease outbreak was first observed in 2014 in Southeast Florida near Miami and as of early 2019 has been documented from the northernmost reaches of the reef tract in Martin County down to Key West. We examined the microbiota associated with disease lesions and apparently healthy tissue on diseased colonies of Montastraea cavernosa, Orbicella faveolata, Diploria labyrinthiformis, and Dichocoenia stokesii. Analysis of differentially abundant taxa between disease lesions and apparently healthy tissue identified five unique amplicon sequence variants enriched in the diseased tissue in three of the coral species, namely an unclassified genus of Flavobacteriales and sequences identified as Fusibacter (Clostridiales), Planktotalea (Rhodobacterales), Algicola (Alteromonadales), and Vibrio (Vibrionales). In addition, several groups of likely opportunistic or saprophytic colonizers such as Epsilonbacteraeota, Patescibacteria, Clostridiales, Bacteroidetes, and Rhodobacterales were also enriched in SCTLD disease lesions. This work represents the first microbiological characterization of SCTLD, as an initial step toward identifying the potential pathogen(s) responsible for SCTLD.

Footnotes

  • https://www.ncbi.nlm.nih.gov/bioproject/PRJNA521988

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted May 03, 2019.
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Microbial community shifts associated with the ongoing stony coral tissue loss disease outbreak on the Florida Reef Tract
Julie L. Meyer, Jessy Castellanos-Gell, Greta S. Aeby, Claudia Häse, Blake Ushijima, Valerie J. Paul
bioRxiv 626408; doi: https://doi.org/10.1101/626408
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Microbial community shifts associated with the ongoing stony coral tissue loss disease outbreak on the Florida Reef Tract
Julie L. Meyer, Jessy Castellanos-Gell, Greta S. Aeby, Claudia Häse, Blake Ushijima, Valerie J. Paul
bioRxiv 626408; doi: https://doi.org/10.1101/626408

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