Bacterial community trends associated with sea scallop, Placopecten magellanicus, larvae in a hatchery system

Ishaq, Suzanne L.; Hosler, Sarah; Dankwa, Adwoa; Jekielek, Phoebe; Brady, Damian C.; Grey, Erin K.; Haskell, Hannah; Lasley-Rasher, Rachel; Pepperman, Kyle E.; Beal, Brian F.; Bowden, Timothy J.

doi:10.1016/j.aqrep.2023.101693

Aquaculture Reports

2023

DOI: 10.1016/j.aqrep.2023.101693

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Bacterial community trends associated with sea scallop, Placopecten magellanicus, larvae in a hatchery system

Suzanne L. Ishaq

Sarah Hosler

Adwoa Dankwa

et al.

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2024

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Cited by 2 publications

References 60 publications

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Persistent tissue‐specific resident microbiota in oysters across a broad geographical range

Unzueta‐Martínez,

Bowen

2024

Environ Microbiol Rep

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Marine animals often harbour complex microbial communities that influence their physiology. However, strong evidence for resident microbiomes in marine bivalves is lacking, despite their contribution to estuarine habitats and coastal economies. We investigated whether marine bivalves harbour stable, resident microorganisms in specific tissues or if their microbiomes primarily consist of transient members reflecting the environmental microbial pool. Conducting a latitudinal study of wild eastern oysters (Crassostrea virginica) along the East Coast of the United States, we aimed to identify resident microorganisms that persist across a wide geographical range. Our results revealed that microbial communities in seawater and sediment samples followed latitudinal diversity patterns driven by geographic location. In contrast, oyster‐associated microbiomes were distinct from their surrounding environments and exhibited tissue‐specific compositions. Notably, oyster microbiomes showed greater similarity within the same tissue type across different geographic locations than among different tissue types within the same location. This indicates the presence of tissue‐specific resident microbes that persist across large geographical ranges. We identified a persistent set of resident microbiome members for each tissue type, with key microbial members consistent across all locations. These findings underscore the oyster host's role in selecting its microbiome and highlight the importance of tissue‐specific microbial communities in understanding bivalve‐associated microbiomes.

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Persistent tissue‐specific resident microbiota in oysters across a broad geographical range

Unzueta‐Martínez,

Bowen

2024

Environ Microbiol Rep

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Association between Turbot (Scophthalmus maximus) Fish Phenotype and the Post-Larval Bacteriome

Louvado,

Silva,

Oliveira

et al. 2024

Microorganisms

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Over the past decade, an increasing number of studies have emphasized the importance of the host microbiome in influencing organismal health and development. Aligned with this understanding, our study aimed to investigate the potential association between the turbot (Scophthalmus maximus) phenotypic traits and the post-larval bacteriome. Turbot post-larvae were sampled from twenty randomly selected production cycles thirty days after hatching (DAH) across multiple post-larval production batches over a three-month period (April to June). Fish were selectively sampled based on five phenotypic traits, namely, normal, large, small, malformed, and depigmented. Our results showed that small-sized post-larvae had significantly higher bacterial phylogenetic diversity in their bacterial communities than all other phenotypes. A more in-depth compositional analysis also revealed specific associations between certain bacterial taxa and fish phenotypes. For example, the genera Aliivibrio and Sulfitobacter were enriched in small-sized post-larvae, while the family Micrococcaceae were predominantly found in larger post-larvae. Furthermore, genus Exiguobacterium was linked to depigmented larvae, and genus Pantoea was more prevalent in normal post-larvae. These observations underscore the importance of further research to understand the roles of these bacterial taxa in larval growth and phenotypic differentiation. Such insights could contribute to developing microbiome modulation strategies, which may enhance turbot post-larval health and quality and improve larviculture production.

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Bacterial community trends associated with sea scallop, Placopecten magellanicus, larvae in a hatchery system

Cited by 2 publications

References 60 publications

Persistent tissue‐specific resident microbiota in oysters across a broad geographical range

Persistent tissue‐specific resident microbiota in oysters across a broad geographical range

Association between Turbot (Scophthalmus maximus) Fish Phenotype and the Post-Larval Bacteriome

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