Saccharomyces cerevisiae as probiotics in aquaculture

Sharma, Sakshi; Dahiya, Tejpal; Jangra, Monika; Muwal, Abhimanyu; Singh, Chandan Deep

doi:10.22271/j.ento.2022.v10.i1b.8918

Cited by 7 publications

(5 citation statements)

References 14 publications

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“…Different strains of Saccharomyces cerevisiae have already been isolated and characterised from the intestine of different fish species. Their role in the health and nutrition of farmed fish has also been studied in detail, showing a positive effect on the overall health of the host 63 . Members of Candida sp.…”

Section: Discussionmentioning

confidence: 99%

Unravelling the temporal and spatial variation of fungal phylotypes from embryo to adult stages in Atlantic salmon

Lokesh,

Siriyappagouder,

Fernandes

2024

Sci Rep

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Early microbial colonization has a profound impact on host physiology during different stages of ontogeny. Although several studies have focused on early bacterial colonization and succession, the composition and role of fungal communities are poorly known in fish. Here, we sequenced the internal transcribed spacer 2 (ITS2) region of fungi to profile the mycobiome associated with the eggs, hatchlings and intestine of Atlantic salmon at various freshwater and marine stages. In most of the stages studied, fungal diversity was lower than bacterial diversity. There were several stage-specific fungal phylotypes belonging to different stages of ontogeny but some groups, such as Candida tropicalis, Saccharomyces cerevisiae, Alternaria metachromatica, Davidiella tassiana and Humicola nigrescens, persisted during successive stages of ontogeny. We observed significant changes in the intestinal fungal communities during the first feeding. Prior to first feeding, Humicola nigrescens dominated, but Saccharomyces cerevisiae (10 weeks post hatch) and Candida tropicalis (12 weeks post hatch) became dominant subsequently. Seawater transfer resulted in a decrease in alpha diversity and an increase in Candida tropicalis abundance. We also observed notable variations in beta diversity and composition between the different farms. Overall, the present study sheds light on the fungal communities of Atlantic salmon from early ontogeny to adulthood. These novel findings will also be useful in future studies investigating host-microbiota interactions in the context of developing better nutritional and health management strategies for Atlantic salmon farming.

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Section: Discussionmentioning

confidence: 99%

Unravelling the temporal and spatial variation of fungal phylotypes from embryo to adult stages in Atlantic salmon

Lokesh,

Siriyappagouder,

Fernandes

2024

Sci Rep

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“…Probiotics are known to determine an increase in the activity of the complement system of fish [83,84], and yeasts have been reported to be capable of stimulating the immune response of these aquatic organisms. Among the various yeasts, S. cerevisiae, administrated as whole cell or cell walls, may provide very important non-nutritive compounds, including various immunostimulating compounds such as glucose polymers (β glucans), mannan oligosaccharides [85], nucleic acids and chitin, which may be beneficial to fish health [9,32].…”

Section: Discussionmentioning

confidence: 99%

“…Dietary supplementation with probiotics offers many advantages in terms of both environmental sustainability and production. It allows the limitations and side effects of antibiotics or other drugs to be overcome, resulting in enhanced growth and disease prevention [2,4,9]. Probiotics affect certain elements of the non-specific immune system (such as monocytes, macrophages, neutrophils, natural killer cells, etc.).…”

Section: Introductionmentioning

confidence: 99%

“…[18,28]. However, yeast-based probiotics are also stimulating a great deal of interest [9,41,42] because of their ability to produce polyamines that participate in numerous biological processes [3,32,43]. Yeasts are active in different ways in the defense against pathogens: they adhere to and colonize the intestinal tract and produce active molecules, superoxide dismutase, and polyamine [3,44]; they act on epithelial cells through the stimulation of innate immunity receptors (Pattern Recognition Receptor, PRR), which are crucial for the key functions of the innate immune system [10].…”

Section: Introductionmentioning

confidence: 99%

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Live Yeast (Saccharomyces cerevisiae var. boulardii) Supplementation in a European Sea Bass (Dicentrarchus labrax) Diet: Effects on the Growth and Immune Response Parameters

Perdichizzi,

Meola,

Caccamo

et al. 2023

Animals

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The present study has been aimed at evaluating the effects of the dietary inclusion of the live yeasts, Saccharomyces cerevisiae var. boulardii (LSB) administered at increasing concentrations (0, 100, and 300 mg kg−1 of feed, here referred to as LSB 0, 100, 300) for 90 days, on the health conditions of European sea bass. The main zootechnical parameters, histological and morphological analyses, innate immunity response parameters (intestinal cytokine expression, lysozyme content, spontaneous hemolytic and hemagglutinating activities, antibacterial activities, and peroxidase activity) were measured as fish welfare parameters. LSB did not impair either growth parameters or the morphometric indexes. LSB down-regulated interleukin-1β transcription in the distal gut of fish treated with 5.4 × 105 CFU g−1 (LSB100) for 21 days. The interleukin-6 mRNA level decreased significantly in the proximal gut for both doses of yeast, after 21 days of feeding; the gene expression of interleukin-6 was significantly lower in the sea bass fed 10.81 × 105 CFU g−1 (LSB300) probiotic. The levels of TNF-α mRNA were not influenced by probiotic supplementation. Increases, although not significant, in the hematological and immunological parameters were also recorded. The data collected in the present study suggests that an LSB-supplemented diet acts on the gut immune system of sea bass by modulating the expression of the key inflammatory genes.

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“…Different strains of Saccharomyces cerevisiae have already been isolated and characterised from the intestine of different sh species. Their role in the health and nutrition of farmed sh has also been studied in detail, showing a positive effect on the overall health of the host (Sharma et al, 2022).…”

Section: Dominant Fungal Communities Of Atlantic Salmon During Their ...mentioning

confidence: 99%

From embryo to adult: Unravelling the temporal and spatial variations in fungal phylotypes of Atlantic salmon

Lokesh

Siriyappagouder

Fernandes

2023

Preprint

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Background Early microbial colonization has a profound impact on host physiology during different stages of ontogeny. Although several studies have focused on early bacterial colonization and succession, the composition and role of fungal communities are poorly known in fish. Here, we sequenced the internal transcribed spacer 2 (ITS2) region of fungi to profile the mycobiome associated with the eggs, hatchlings and intestine of Atlantic salmon at various freshwater and marine stages. Results In most of the stages studied, fungal diversity was lower than bacterial diversity. There were several stage-specific fungal phylotypes belonging to different stages of ontogeny but some groups, such as Candida tropicalis, Saccharomyces cerevisiae, Alternaria metachromatica, Davidiella tassiana and Humicola nigrescens, persisted during successive stages of ontogeny. We observed significant changes in the intestinal fungal communities during the first feeding. Prior to first feeding, Humicola nigrescens dominated, but Saccharomyces cerevisiae (10 wph) and Candida tropicalis (12 wph) became dominant subsequently. Seawater transfer resulted in a decrease in alpha diversity and an increase in Candida tropicalis abundance. We also observed notable variations in beta diversity and composition between the different farms. Conclusion Overall, the present study sheds light on the fungal communities of Atlantic salmon from early ontogeny to adulthood. These novel findings will also be useful in future studies investigating host-microbiota interactions in the context of developing better nutritional and health management strategies for Atlantic salmon farming.

show abstract

Saccharomyces cerevisiae as probiotics in aquaculture

Cited by 7 publications

References 14 publications

Unravelling the temporal and spatial variation of fungal phylotypes from embryo to adult stages in Atlantic salmon

Unravelling the temporal and spatial variation of fungal phylotypes from embryo to adult stages in Atlantic salmon

Live Yeast (Saccharomyces cerevisiae var. boulardii) Supplementation in a European Sea Bass (Dicentrarchus labrax) Diet: Effects on the Growth and Immune Response Parameters

From embryo to adult: Unravelling the temporal and spatial variations in fungal phylotypes of Atlantic salmon

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