Yvan Bettarel
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View article: Spray incorporation of Bacillus subtilis and Saccharomyces cerevisiae with different binding agents into granules for Oreochromis niloticus
Spray incorporation of Bacillus subtilis and Saccharomyces cerevisiae with different binding agents into granules for Oreochromis niloticus Open
In aquaculture, probiotics appear as one of the alternatives to the excessive use of antibiotics. They promote good health, growth and improve the quality of fish culture water. One route of administration is incorporation into foods. But …
View article: Planktonic eukaryotes in the Chesapeake Bay: contrasting responses of abundant and rare taxa to estuarine gradients
Planktonic eukaryotes in the Chesapeake Bay: contrasting responses of abundant and rare taxa to estuarine gradients Open
Phytoplankton are important drivers of aquatic ecosystem function and environmental health. Their community compositions and distributions are directly impacted by environmental processes and human activities, including in the largest estu…
View article: The Unseen Microbes in the Gut, Liver and Skin of Tunas
The Unseen Microbes in the Gut, Liver and Skin of Tunas Open
The microbiome is the name for the collection of microbes that live on or in another organism. The human microbiome has received a lot of attention, but in fact every living thing hosts a community of microbes that can be helpful—even vita…
View article: Diversity and Biogeography of Coral Mucus-Associated Bacterial Communities: The Case of Acropora formosa
Diversity and Biogeography of Coral Mucus-Associated Bacterial Communities: The Case of Acropora formosa Open
The role of microorganisms in coral health, disease, and nutrition has been demonstrated in various studies. Environmental factors including pH, temperature, and dissolved oxygen also play crucial roles in maintaining sustainable coral eco…
View article: Phage-Host Prediction Using a Computational Tool Coupled with 16S rRNA Gene Amplicon Sequencing
Phage-Host Prediction Using a Computational Tool Coupled with 16S rRNA Gene Amplicon Sequencing Open
Metagenomics studies have revealed tremendous viral diversity in aquatic environments. Yet, while the genomic data they have provided is extensive, it is unannotated. For example, most phage sequences lack accurate information about their …
View article: Tracking spoilage bacteria in the tuna microbiome
Tracking spoilage bacteria in the tuna microbiome Open
Like other seafood products, tuna is highly perishable and sensitive to microbial spoilage. Its consumption, whether fresh or canned, can lead to severe food poisoning due to the activity of specific microorganisms, including histamine-pro…
View article: Viral life strategies in a heavily anthropized tropical lagoon
Viral life strategies in a heavily anthropized tropical lagoon Open
Ecological traits of aquatic microorganisms have been poorly investigated in tropical latitudes, especially in lagoons, which are often subjected to strong anthropogenic influence, conducive to microbial development. In this study, we exam…
View article: Microbial Shift in the Enteric Bacteriome of Coral Reef Fish Following Climate-Driven Regime Shifts
Microbial Shift in the Enteric Bacteriome of Coral Reef Fish Following Climate-Driven Regime Shifts Open
Replacement of coral by macroalgae in post-disturbance reefs, also called a “coral-macroalgal regime shift”, is increasing in response to climate-driven ocean warming. Such ecosystem change is known to impact planktonic and benthic reef mi…
View article: The Hungry Snail, the Fragile Coral, and the Friendly Microbe
The Hungry Snail, the Fragile Coral, and the Friendly Microbe Open
Off the coast of Vietnam, two recent events seem to have contributed to the death of coral reefs: the rapid invasion of a small marine snail called Drupella, and the emergence of a disease that spreads over corals. We decided to investigat…
View article: Fishing for the Virome of Tropical Tuna
Fishing for the Virome of Tropical Tuna Open
While planktonic viruses have received much attention in recent decades, knowledge of the virome of marine organisms, especially fish, still remains rudimentary. This is notably the case with tuna, which are among the most consumed fish wo…
View article: Fishing for the Bacteriome of Tropical Tuna
Fishing for the Bacteriome of Tropical Tuna Open
Background : Although tunas represent a significant part of the global fish economy and a major nutritional resource worldwide, their consumption poses a risk of food poisoning through the development of particular bacterial pathogens. How…
View article: Does the Composition of the Gut Bacteriome Change during the Growth of Tuna?
Does the Composition of the Gut Bacteriome Change during the Growth of Tuna? Open
In recent years, a growing number of studies sought to examine the composition and the determinants of the gut microflora in marine animals, including fish. For tropical tuna, which are among the most consumed fish worldwide, there is scar…
View article: Bacterial abundance, growth and community composition in oligotrophic, metal-rich running waters of Southern New Caledonia
Bacterial abundance, growth and community composition in oligotrophic, metal-rich running waters of Southern New Caledonia Open
<p>The basic bacterial ecology and diversity was investigated in five running water systems of Southern New Caledonia. These running waters were characterized by potential P-limitation and high concentrations of Ni, Fe, Mn, Cr and Co…
View article: Exceptional but vulnerable microbial diversity in coral reef animal surface microbiomes
Exceptional but vulnerable microbial diversity in coral reef animal surface microbiomes Open
Coral reefs host hundreds of thousands of animal species that are increasingly threatened by anthropogenic disturbances. These animals host microbial communities at their surface, playing crucial roles for their fitness. However, the diver…
View article: Therapeutic Potential of a New Jumbo Phage That Infects Vibrio coralliilyticus, a Widespread Coral Pathogen
Therapeutic Potential of a New Jumbo Phage That Infects Vibrio coralliilyticus, a Widespread Coral Pathogen Open
Biological control using bacteriophages is a promising approach for mitigating the devastating effects of coral diseases. Several phages that infect Vibrio coralliilyticus, a widespread coral pathogen, have been isolated, suggesting that t…
View article: Peer Review #2 of "Morphological characterization of virus-like particles in coral reef sponges (v0.1)"
Peer Review #2 of "Morphological characterization of virus-like particles in coral reef sponges (v0.1)" Open
Marine sponges host complex microbial consortia that vary in their abundance, diversity and stability amongst host species.While our understanding of sponge-microbe interactions has dramatically increased over the past decade, little is kn…
View article: Corallivory and the microbial debacle in two branching scleractinians
Corallivory and the microbial debacle in two branching scleractinians Open
The grazing activity by specific marine organisms represents a growing threat to the survival of many scleractinian species. For example, the recent proliferation of the corallivorous gastropod Drupella now constitutes a critical case in a…
View article: Additional file 2: of Skin microbiome of coral reef fish is highly variable and driven by host phylogeny and diet
Additional file 2: of Skin microbiome of coral reef fish is highly variable and driven by host phylogeny and diet Open
Supplementary material containing OTU table, list of corresponding reference sequence for each OTU, and sample metadata. (ZIP 946 kb)
View article: The mangrove's contribution to people: Interdisciplinary pilot study of the Can Gio Mangrove Biosphere Reserve in Viet Nam
The mangrove's contribution to people: Interdisciplinary pilot study of the Can Gio Mangrove Biosphere Reserve in Viet Nam Open
The main objective of this pilot study, conducted in June 2015 in the Can Gio Mangrove Biosphere Reserve (Can Gio MBR, Viet Nam), was to develop an interdisciplinary approach to assess some key services provided by reforested mangroves sub…