1
|
Tseng KC, Huang HT, Huang SN, Yang FY, Li WH, Nan FH, Lin YJ. Lactobacillus plantarum isolated from kefir enhances immune responses and survival of white shrimp (Penaeus vannamei) challenged with Vibrio alginolyticus. FISH & SHELLFISH IMMUNOLOGY 2023; 135:108661. [PMID: 36906049 DOI: 10.1016/j.fsi.2023.108661] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 03/01/2023] [Accepted: 03/03/2023] [Indexed: 06/18/2023]
Abstract
Lactobacillus plantarum is known for its probiotics benefit to host, although the effects vary among strains. This study conducted a feeding experiment of three Lactobacillus strains, MRS8, MRS18 and MRS20, which were isolated from kefir and incorporated into the diets of shrimp to evaluate the effects of non-specific immunity, immune-related gene expression, and disease resistance of white shrimp (Penaeus vannamei) against Vibrio alginolyticus. To prepare the experimental feed groups, the basic feed was mixed with different concentrations of L. plantarum strains MRS8, MRS18, and MRS 20, which were incorporated at 0 CFU (control), 1 × 106 CFU (groups 8-6, 18-6, and 20-6), and 1 × 109 CFU (groups 8-9, 18-9, and 20-9) per gram of diet for an in vivo assay. During the rearing period for 28 days of feeding each group, immune responses, namely the total hemocyte count (THC), phagocytic rate (PR), phenoloxidase activity, and respiratory burst were examined on days 0, 1, 4, 7, 14, and 28. The results showed that groups 20-6, 18-9 and 20-9 improved THC, and groups 18-9 and 20-9 improved phenoloxidase activity and respiratory burst as well. The expression of immunity-related genes was also examined. Group 8-9 increased the expression of LGBP, penaeidin 2 (PEN2) and CP, group 18-9 increased the expression of proPO1, ALF, Lysozyme, penaeidin 3 (PEN3) and SOD, and group 20-9 increased the expression of LGBP, ALF, crustin, PEN2, PEN3, penaeidin 4 (PEN4) and CP (p < 0.05). Groups 18-6, 18-9, 2-6, and 20-9 were further used in the challenge test. After feeding for 7 days and 14 days, Vibrio alginolyticus was injected into white shrimp and observed the shrimp survival for 168 h. The results showed that compared to the control, all groups improved the survival rate. Especially, feeding group 18-9 for 14 days improved the survival rate of white shrimp (p < 0.05). After the challenge test for 14 days, the midgut DNA of survival white shrimps was extracted to analyze the colonization of L. plantarum. Among the groups, (6.61 ± 3.58) × 105 CFU/pre shrimp of L. plantarum in feeding group 18-9 and (5.86 ± 2.27) × 105 CFU/pre shrimp in group 20-9 were evaluated by qPCR. Taken together, group 18-9 had the best effects on the non-specific immunity, the immune-related gene expression, and the disease resistance, which might be due to the benefit of the probiotic colonization.
Collapse
Affiliation(s)
- Kuo-Chun Tseng
- Department of Life Sciences, National Chung Hsing University, No.145, Xing-Da Road, South District, Taichung City, 40227, Taiwan
| | - Huai-Ting Huang
- Department of Aquaculture, National Taiwan Ocean University, No. 2, Pei-Ning Road, Keelung, 20224, Taiwan
| | - Shu-Ning Huang
- Department of Aquaculture, National Taiwan Ocean University, No. 2, Pei-Ning Road, Keelung, 20224, Taiwan
| | - Fang-Yi Yang
- Biodiversity Research Center, Academia Sinica, No. 128 Academia Road, Sec. 2, Nan-kang, Taipei, 11529, Taiwan
| | - Wen-Hsiung Li
- Biodiversity Research Center, Academia Sinica, No. 128 Academia Road, Sec. 2, Nan-kang, Taipei, 11529, Taiwan; Department of Ecology and Evolution, University of Chicago, Chicago, IL, 60637, USA
| | - Fan-Hua Nan
- Department of Aquaculture, National Taiwan Ocean University, No. 2, Pei-Ning Road, Keelung, 20224, Taiwan.
| | - Yu-Ju Lin
- Department of Life Sciences, National Chung Hsing University, No.145, Xing-Da Road, South District, Taichung City, 40227, Taiwan.
| |
Collapse
|
2
|
Lin YJ, Chang JJ, Huang HT, Lee CP, Hu YF, Wu ML, Huang CY, Nan FH. Improving red-color performance, immune response and resistance to Vibrio parahaemolyticus on white shrimp Penaeus vannamei by an engineered astaxanthin yeast. Sci Rep 2023; 13:2248. [PMID: 36755087 PMCID: PMC9908916 DOI: 10.1038/s41598-023-29225-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 01/31/2023] [Indexed: 02/10/2023] Open
Abstract
Astaxanthin (AST), a super antioxidant with coloring and medical properties, renders it a beneficial feed additive for shrimp. This study conducted a white shrimp feeding trial of 3S, 3'S isoform AST, which was derived from metabolic-engineered Kluyveromyces marxianus fermented broth (TB) and its extract (TE) compared to sources from two chemically synthetic ASTs (Carophyll Pink [CP] and Lucantin Pink [LP]), which contain 3S, 3'S, 3R, 3'S (3S, 3'R) and 3R, 3'R isoforms ratio of 1:2:1. The effects on red coloration, immune parameters and resistance to Vibrio infection were evaluated. Four AST sources were incorporated into the diets at concentrations of 0 (control), 100 mg kg-1 (TB100, TE100, CP100, and LP100), and 200 mg kg-1 (TB200, TE200, CP200, and LP200). Results revealed that in week 4, shrimps that received AST-supplemented feeds, especially TB100, TB200, and TE200, significantly increased redness (a*) values. Immune responses including phagocytosis activity, superoxide-anion production, phenoloxidase activity, and immune-related genes were examined on days 0, 1, 2, 4, 7, 14, 21, and 28. Generally, shrimps that received AST-supplemented feeds exhibited higher immune responses on days 7 and 14 than the control feed. Gene expression levels of superoxide dismutase and glutathione peroxidase were significantly upregulated on days 7 and 14 in shrimps that received AST-supplemented feeds, while genes of penaeidins, antilipopolysaccharide factor, and lysozyme were upregulated on days 4, 7, and 14, especially received TB200 and TE200. Furthermore, shrimps that received TB100, TE100, CP100, and LP100 7 days were then challenged with Vibrio parahaemolyticus and the result demonstrated higher survival rates especially TB100 at 168 h than the control feed. In conclusion, incorporating AST into the diets enhanced shrimp red coloration, immune parameters, and resistance against V. parahaemolyticus infection. The K. marxianus-derived AST exhibited higher performance than did chemical AST to be a potential feed additive in shrimp aquaculture.
Collapse
Affiliation(s)
- Yu-Ju Lin
- Department of Life Sciences, National Chung Hsing University, Taichung, 40227, Taiwan, ROC
| | - Jui-Jen Chang
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan, ROC.,Graduate Institute of Integrated Medicine, China Medical University, Taichung, 40227, Taiwan, ROC
| | - Huai-Ting Huang
- Department of Aquaculture, National Taiwan Ocean University, No. 2, Pei-Ning Road, Keelung, 20224, Taiwan, ROC
| | - Chih-Ping Lee
- Department of Aquaculture, National Taiwan Ocean University, No. 2, Pei-Ning Road, Keelung, 20224, Taiwan, ROC
| | - Yeh-Fang Hu
- Department of Aquaculture, National Taiwan Ocean University, No. 2, Pei-Ning Road, Keelung, 20224, Taiwan, ROC
| | - Mao-Lun Wu
- Department of Life Sciences, National Chung Hsing University, Taichung, 40227, Taiwan, ROC
| | - Chih-Yang Huang
- Department of Aquaculture, National Taiwan Ocean University, No. 2, Pei-Ning Road, Keelung, 20224, Taiwan, ROC
| | - Fan-Hua Nan
- Department of Aquaculture, National Taiwan Ocean University, No. 2, Pei-Ning Road, Keelung, 20224, Taiwan, ROC.
| |
Collapse
|