Unravelling the microbiome of eggs of the endangered sea turtle Eretmochelys imbricata identifies bacteria with activity against the emerging pathogen Fusarium falciforme

Habitat bioaugmentation and introduction of protective microbiota have been proposed as potential conservation strategies to rescue endangered mammals and amphibians from emerging diseases. For both strategies, insight into the microbiomes of the endangered species and their habitats is essential. H...

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Bibliographic Details
Published in:PloS one 2014-04, Vol.9 (4), p.e95206-e95206
Main Authors: Sarmiento-Ramírez, Jullie M, van der Voort, Menno, Raaijmakers, Jos M, Diéguez-Uribeondo, Javier
Format: Article
Language:English
Subjects:
Actinobacteria
Amphibia
Amphibians
Analysis
Animals
Aquatic reptiles
Bacteria
Bacteroidetes
biological-control
Biology and Life Sciences
caretta-caretta
community
Conservation
costa-rica
diseases
dna-sequences
Ecology and Environmental Sciences
Eggs
Endangered Species
Eretmochelys imbricata
fungal
Fusarium
Genera
Genetic aspects
gut microbiota
health
Microbiota
Microbiota (Symbiotic organisms)
Microbiota - physiology
Microorganisms
National parks
Nests
Ovum
Pathogens
Physiological aspects
Plant diseases
Protection and preservation
Reptiles & amphibians
Sea turtles
Shells
Streptomyces
Studies
Turtles - microbiology
Wildlife conservation
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Summary:Habitat bioaugmentation and introduction of protective microbiota have been proposed as potential conservation strategies to rescue endangered mammals and amphibians from emerging diseases. For both strategies, insight into the microbiomes of the endangered species and their habitats is essential. Here, we sampled nests of the endangered sea turtle species Eretmochelys imbricata that were infected with the fungal pathogen Fusarium falciforme. Metagenomic analysis of the bacterial communities associated with the shells of the sea turtle eggs revealed approximately 16,664 operational taxonomic units, with Proteobacteria, Actinobacteria, Firmicutes and Bacteroidetes as the most dominant phyla. Subsequent isolation of Actinobacteria from the eggshells led to the identification of several genera (Streptomyces, Amycolaptosis, Micromomospora Plantactinospora and Solwaraspora) that inhibit hyphal growth of the pathogen F. falciforme. These bacterial genera constitute a first set of microbial indicators to evaluate the potential role of microbiota in conservation of endangered sea turtle species.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0095206