Distribution of vitamin B12 in bivalve tissues: Investigations of larval and adult lifestages

Vogeler, Susanne; Wikfors, Gary H.; Li, Xiaoxu; Sauvage, Justine; Joyce, Alyssa

doi:10.1016/j.aquaculture.2022.738712

Cited by 6 publications

(1 citation statement)

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“…This microbial consortium can have positive and negative effects on oyster growth and health. For example, the microbiota within the oyster digestive system can contribute to digestion (King et al 2012) and nutrient uptake (Vogeler et al 2022). In addition, microbes can promote oyster settlement and metamorphosis (Dobretsov and Rittschof 2020;Yu et al 2010;Zhao et al 2003) and assist in defense against infection by outcompeting pathogenic bacteria, producing antimicrobial compounds, and stimulating the host's immune system (Desriac et al 2014;King et al 2019b;Lokmer and Mathias Wegner 2015).…”

Section: Introductionmentioning

confidence: 99%

The Prokaryotic and Eukaryotic Microbiome of Pacific Oyster Spat is Shaped by Ocean Warming but not Acidification

Zhong

Chan

Collicutt³

et al. 2023

Preprint

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Pacific oysters (Magallana gigas, also known as Crassostrea gigas), the most widely farmed oysters, are under threat from climate change and emerging pathogens. In part, their resilience may be affected by their microbiome, which, in turn, may be influenced by ocean warming and acidification. Consequently, for three weeks, we exposed early-development Pacific oyster spat to different temperatures (18 and 24 °C) and pCO2 levels (800, 1600 and 2800 μatm) in a fully crossed design. Under all conditions, the microbiome developed over time, with potentially pathogenic ciliates (Uronema marinum) greatly reduced in all treatments, suggesting that the spat's microbiome undergoes adaptive shifts as the oysters age. The microbiome composition also differed significantly with temperature, but not acidification, indicating that M. gigas spat microbiomes can be altered by ocean warming but resilient to ocean acidification in our experiments. These findings highlight the spat microbiome′s flexibility to environmental changes as well as its ″protective″ capability against potentially pathogenic microbes.

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