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Effects of autochthonous probiotics, isolated from Tor grypus (Karaman, 1971) intestine and Lactobacillus casei (PTCC 1608) on expression of immune-related genes

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Abstract

In this study, Lactobacillus plantarum subsp. plantarum and L. delbrukei subsp. bulgaricus were used as autochthonous food supplementation for gene expression and hematological investigation. Then, 480 fish (BW, 45 ± 10 g) were randomly divided into four groups (three replications) and were fed with diet containing 5 × 107 CFU g−1 of each isolated LAB and L. casei (PTCC 1608) and a control diet with no bacteria. Feeding trail was conducted for 60 days, following a change to the non-supplemented feed until 15 days (day 75). Samples from blood and head kidney at days 0, 60, and 75 were taken. The in vitro examination showed that L. plantarum had high antimicrobial activity against the Aeromonas hydrophila and Yesinia ruckeri. Results of this study showed that feeding of T. grypus with L. plantarum supplementation diet led to increase Hb and WBC, and induce TNF-α, IL-8, and IL-1β expressions in the head kidney rather than control. Results suggested that L. plantarum can be applied as a dietary supplement to enhance the immunity system of T. grypus.

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Funding

This work was funded by a grant from Shahid Chamran University of Ahvaz Research Council (Grant Nos. 27176, 1393.3.2).

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Correspondence to Takavar Mohammadian.

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All institutional and national guidelines for the care and use of laboratory animals were followed.

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The authors declare that they have no conflict of interest.

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Mohammadian, T., Alishahi, M., Tabandeh, M.R. et al. Effects of autochthonous probiotics, isolated from Tor grypus (Karaman, 1971) intestine and Lactobacillus casei (PTCC 1608) on expression of immune-related genes. Aquacult Int 27, 239–260 (2019). https://doi.org/10.1007/s10499-018-0320-9

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  • DOI: https://doi.org/10.1007/s10499-018-0320-9

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