Feed intake improvement, gut microbiota modulation and pathogens control by using Bacillus species in shrimp aquaculture

Soto, Jorge Olmos

doi:10.1007/s11274-020-02987-z

Cited by 26 publications

(10 citation statements)

References 40 publications

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“…Penaeus vannamei, a major mariculture species in Asia and America, has attracted more and more attention for the past decades due to its increasing culture scale and market demand (7). As an invertebrate animal, its primitive immune system makes it vulnerable to be killed by various environmental pathogens, and frequent diseases have hampered the development of shrimp culture industry, which drives people to explore shrimp immunity (8).…”

Section: Introductionmentioning

confidence: 99%

Shrimp Plasma CREG Is a Hemocyte Activation Factor

2021

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Cytokines are a class of immunoregulatory proteins that are secreted by cells. Although vertebrate cytokine, especially mammalian cytokine has been well studied for the past decades. Much less attention has been paid to invertebrate so that only some cytokines have been identified in invertebrates. We have chosen Peaneus vannamei as a model to explore novel invertebrate cytokines. To achieve this, we previously purified shrimp plasma low abundance proteins and identified more than 400 proteins with proteomics analyses. In this study, a cellular repressor of E1A-stimulated gene (CREG)-like protein, which is highly conserved from Drosophila melanogaster to Homo sapiens, was further characterized in shrimp plasma. We found that shrimp plasma CREG was a glycoprotein which was strongly induced in hemolymph at 8 h post-LPS injection. Further function experiment unveiled that recombinant shrimp CREG protein injection significantly increased phagocytic hemocyte and lysosome-high hemocyte proportion in hemolymph. After that, hemocytes from rEGFP- and rCREG-protein injected shrimps were subjected to transcriptome analyses, which revealed that shrimp CREG protein could comprehensively promote hemocyte maturation and activation. Taken together, our data clearly indicated that shrimp plasma CREG protein is a novel hemocyte activation factor, which is probably a conserved myeloid cell lineage activation factor from invertebrate to vertebrate.

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Section: Introductionmentioning

confidence: 99%

Shrimp Plasma CREG Is a Hemocyte Activation Factor

2021

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“…faecalis F7 diets. According to previous studies, the intestinal microbiota of shrimp is dynamically balanced, and supplementation with probiotics can modulate the intestinal microbiota and overall gut health (Olmos Soto, 2021; Rungrassamee et al, 2016). Apart from probiotics, prebiotics and synbiotics may also play a role in aquaculture in regulating the gut microbiota (Bolívar Ramírez et al, 2013; Yang, Lü, et al, 2019).…”

Section: Discussionmentioning

confidence: 99%

Effects of different dietary preparations of Enterococcus faecalis F7 on the growth and intestinal microbiota of Pacific white shrimp ( Litopenaeus vannamei )

Cai

Liu

et al. 2022

Aquaculture Research

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A 28-day feeding trial was conducted to evaluate the effects of different dietary preparations of Enterococcus faecalis F7 (blank control (BC), dead bacteria (DB), live bacteria (EF), cell-free extract of E. faecalis F7 (BF) and E. faecalis F7 treated with lithium chloride (Li)) on growth and intestinal microbiota of Litopenaeus vannamei. Results indicated that incorporation of live E. faecalis F7 into diet significantly improved the growth of L. vannamei by increasing weight gain rate (WGR), specific growth rate (SGR) and reducing feed conversion ratio (FCR). High-throughput sequencing data showed that incorporation of various preparations of E. faecalis F7 into diet altered intestinal microbiota richness and diversity in L. vannamei. In particular, live E. faecalis F7 improved the health of shrimp by increasing the abundance of beneficial bacteria and reducing the abundance of detrimental bacteria in the gut tract. Moreover, stability of intestinal microbiota was maintained for more than 7 days when shrimps were fed on basic diet after administration of live E. faecalis F7 for 28 days. These results demonstrate that diet enriched with live E. faecalis F7 promotes the growth and modulates the intestinal microbiota in Pacific white shrimp (L. vannamei).

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“…During and after farming, the amounts of aquafeed were added into the ponds. Indeed, 30% of aquafeed is not captured by shrimps, and settles in the sediment (Soto, 2021). The aquafeed was mainly composed of peanut and bean dregs, which are rich in polysaccharides (Dawood et al, 2018).…”

Section: Contribution Of Acetoclastic and Hydrogenotrophic Methanogen...mentioning

confidence: 99%

Aquaculture drastically increases methane production by favoring acetoclastic rather than hydrogenotrophic methanogenesis in shrimp pond sediments

et al. 2023

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Feed intake improvement, gut microbiota modulation and pathogens control by using Bacillus species in shrimp aquaculture

Cited by 26 publications

References 40 publications

Shrimp Plasma CREG Is a Hemocyte Activation Factor

Shrimp Plasma CREG Is a Hemocyte Activation Factor

Effects of different dietary preparations of Enterococcus faecalis F7 on the growth and intestinal microbiota of Pacific white shrimp ( Litopenaeus vannamei )

Aquaculture drastically increases methane production by favoring acetoclastic rather than hydrogenotrophic methanogenesis in shrimp pond sediments

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