Dietary jellyfish affect digestive enzyme activities and gut microbiota of Pampus argenteus
2021
Abstract For many years, jellyfish were described as ‘dead ends’ in marine food webs, due to their high-water content and low nutritional value. However, it has been confirmed that silver pomfret (Pampus argenteus) has a particular preference for preying on jellyfish. In this study, we determined the effect of consuming jellyfish on the intestinal microbes of silver pomfret. Analysis of bacterial 16S rRNA gene amplicons showed that jellyfish had a dramatic impact on the composition of the gut microbiota. The content of Proteobacteria was reduced from 99% to 51%, while Firmicutes, Bacteroidetes and Actinobacteria increased, accounting for 35%, 9% and 2% of the total flora, respectively. At the genus level, the content of Photobacterium decreased sharply to
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