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Lan H, Liu F, Lu L, Liu A, Ye H. A new type II CHH neuropeptide involves ovarian development in the peppermint shrimp, Lysmata vittata. PLoS One 2024; 19:e0305127. [PMID: 39088423 PMCID: PMC11293640 DOI: 10.1371/journal.pone.0305127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Accepted: 05/24/2024] [Indexed: 08/03/2024] Open
Abstract
Type II crustacean hyperglycemic hormone (CHH) neuropeptides play diverse roles in crustaceans. In the hermaphrodite shrimp Lysmata vittata, two transcripts of type II CHHs (molt-inhibiting hormone/gonad-inhibiting hormone, MIH/GIH1 and MIH/GIH2) were identified by transcriptome sequencing, and MIH/GIH1 was later named Lvit-GIH1 for its inhibitory effect on ovarian development. Based on the high similarity of MIH/GIH2 to Lvit-GIH1, we named tentatively MIH/GIH2 as Lvit-GIH2 and explored the role of Lvit-GIH2 in ovarian development. The open reading frame (ORF) of Lvit-GIH2 was 333 bp in length, encoding a precursor consisted of a 32-aa signal peptide and a 78-aa mature peptide, which shared high sequence similarity with the type II subfamily peptides in crustaceans. Notably, Lvit-GIH2 was widely expressed in multiple tissues. The qRT-PCR findings indicated a rising trend in the expression of Lvit-GIH2 from the male phase to the euhermaphrodite phase. Both RNA interference and addition of GIH2 recombinant proteins (rGIH2) experiments showed that Lvit-GIH2 suppressed Lvit-Vg expression in hepatopancreas and Lvit-VgR expression in ovary. To further investigate the role of Lvit-GIH2 in ovarian development, the RNA-sequence analysis was performed to examine the changes in ovary after addition of rGIH2. The results showed that the pathways (Cysteine and methionine metabolism, Apoptosis-multiple species, etc.) and the genes (17bHSD8, IGFR, CHH, etc.) related to ovarian development were negatively regulated by rGIH2. In brief, Lvit-GIH2 might inhibit the ovarian development in L. vittata.
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Affiliation(s)
- Huiling Lan
- State Key Laboratory of Mariculture Breeding, Fisheries College of Jimei University, Xiamen, China
| | - Fang Liu
- State Key Laboratory of Mariculture Breeding, Fisheries College of Jimei University, Xiamen, China
| | - Li Lu
- State Key Laboratory of Mariculture Breeding, Fisheries College of Jimei University, Xiamen, China
| | - An Liu
- State Key Laboratory of Mariculture Breeding, Fisheries College of Jimei University, Xiamen, China
| | - Haihui Ye
- State Key Laboratory of Mariculture Breeding, Fisheries College of Jimei University, Xiamen, China
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Tran HTQ, Ho TH, Nan FH, Liu CH, Hu YF, Chong CM, de Cruz CR, Karim M, Liu TJ, Kuo IP, Lee PT. Assessment of fish protein hydrolysate as a substitute for fish meal in white shrimp diets: Impact on growth, immune response, and resistance against Vibrio parahaemolyticus infection. FISH & SHELLFISH IMMUNOLOGY 2024; 150:109597. [PMID: 38697373 DOI: 10.1016/j.fsi.2024.109597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 04/27/2024] [Accepted: 04/30/2024] [Indexed: 05/05/2024]
Abstract
This study investigated the effects of fish protein hydrolysate derived from barramundi on growth performance, muscle composition, immune response, disease resistance, histology and gene expression in white shrimp (Penaeus vannamei). In vitro studies demonstrated FPH enhanced mRNA expressions of key immune-related genes and stimulated reactive oxygen species (ROS) production and phagocytic activity in shrimp hemocytes. To evaluate the effects of substituting fish meal with FPH in vivo, four isoproteic (43 %), isolipidic (6 %), and isoenergetic diets (489 kcal/100 g) were formulated with fish meal substitution levels of 0 % (control), 30 % (FPH30), 65 % (FPH65), and 100 % (FPH100). After 8-week feeding, the growth performance of FPH65 and FPH100 were significantly lower than that of control and FPH30 (p < 0.05). Similarly, the midgut histological examination revealed the wall thickness and villi height of FPH100 were significantly lower than those of control (p < 0.05). The shrimps were received the challenge of AHPND + Vibrio parahaemolyticus at week 4 and 8. All FPH-fed groups significantly enhanced resistance against Vibrio parahaemolyticus at week 4 (p < 0.05). However, this protective effect diminished after long-period feeding. No significant difference of survival rate was observed among all groups at week 8 (p > 0.05). The expressions of immune-related genes were analyzed at week 4 before and after challenge. In control group, V. parahaemolyticus significantly elevated SOD in hepatopancreas and Muc 19, trypsin, Midline-fas, and GPx in foregut (p < 0.05). Moreover, hepatopancreatic SOD of FPH65 and FPH100 were significantly higher than that of control before challenge (p < 0.05). Immune parameters were measured at week 8. Compared with control, the phagocytic index of FPH 30 was significantly higher (p < 0.05). However, dietary FPH did not alter ROS production, phenoloxidase activity, phagocytic rate, and total hemocyte count (p > 0.05). These findings suggest that FPH30 holds promise as a feed without adverse impacts on growth performance while enhancing the immunological response of white shrimp.
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Affiliation(s)
| | - Thi Hang Ho
- Department of Aquaculture, National Taiwan Ocean University, Keelung City, Taiwan
| | - Fan-Hua Nan
- Department of Aquaculture, National Taiwan Ocean University, Keelung City, Taiwan
| | - Chun-Hung Liu
- Department of Aquaculture, National Pingtung University of Science and Technology, Pingtung, Taiwan
| | - Yeh-Fang Hu
- Department of Aquaculture, National Taiwan Ocean University, Keelung City, Taiwan
| | - Chou Min Chong
- International Institute of Aquaculture and Aquatic Sciences (I-AQUAS), Universiti Putra Malaysia, Port Dickson, Negeri Sembilan, Malaysia
| | - Clement R de Cruz
- International Institute of Aquaculture and Aquatic Sciences (I-AQUAS), Universiti Putra Malaysia, Port Dickson, Negeri Sembilan, Malaysia
| | - Murni Karim
- International Institute of Aquaculture and Aquatic Sciences (I-AQUAS), Universiti Putra Malaysia, Port Dickson, Negeri Sembilan, Malaysia
| | - Ting-Jui Liu
- Department of Aquaculture, National Taiwan Ocean University, Keelung City, Taiwan
| | - I-Pei Kuo
- Department of Aquaculture, National Taiwan Ocean University, Keelung City, Taiwan; Freshwater Aquaculture Research Center Chupei Station, Fisheries Research Institute, Ministry of Agriculture, Hsinchu, Taiwan.
| | - Po-Tsang Lee
- Department of Aquaculture, National Taiwan Ocean University, Keelung City, Taiwan.
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Emerenciano MGC, Rombenso AN, Vieira FDN, Martins MA, Coman GJ, Truong HH, Noble TH, Simon CJ. Intensification of Penaeid Shrimp Culture: An Applied Review of Advances in Production Systems, Nutrition and Breeding. Animals (Basel) 2022; 12:ani12030236. [PMID: 35158558 PMCID: PMC8833552 DOI: 10.3390/ani12030236] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/24/2021] [Accepted: 01/11/2022] [Indexed: 12/15/2022] Open
Abstract
Intensification of the shrimp sector, also referred to as vertical expansion, has been predominately driven by consecutive incidences of global disease outbreaks, which have caused enormous economic loss for the main producer countries. A growing segment of the shrimp farming industry has opted to use production systems with higher density, biosecurity, and operating control to mitigate the risks posed by disease. However, successful super-intensive shrimp production is reliant on an advanced understanding of many important biological and economic parameters in the farming system, coupled with effective monitoring, to maintain optimal production. Compared to traditional extensive or semi-intensive systems, super-intensive systems require higher inputs of feed, energy, labor, and supplements. These systems are highly sensitive to the interactions between these different inputs and require that the biological and economical parameters of farming are carefully balanced to ensure success. Advancing nutritional knowledge and tools to support consistent and efficient production of shrimp in these high-cost super-intensive systems is also necessary. Breeding programs developing breeding-lines selected for these challenging super-intensive environments are critical. Understanding synergies between the key areas of production systems, nutrition, and breeding are crucial for super-intensive farming as all three areas coalesce to influence the health of shrimp and commercial farming success. This article reviews current strategies and innovations being used for Litopenaeus vannamei in production systems, nutrition, and breeding, and discusses the synergies across these areas that can support the production of healthy and high-quality shrimp in super-intensive systems. Finally, we briefly discuss some key issues of social license pertinent to the super-intensive shrimp farming industry.
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Affiliation(s)
- Maurício G. C. Emerenciano
- Livestock & Aquaculture Program, Bribie Island Research Centre, The Commonwealth Scientific and Industrial Research Organisation (CSIRO), Woorim 4507, Australia; (A.N.R.); (G.J.C.); (H.H.T.)
- Correspondence:
| | - Artur N. Rombenso
- Livestock & Aquaculture Program, Bribie Island Research Centre, The Commonwealth Scientific and Industrial Research Organisation (CSIRO), Woorim 4507, Australia; (A.N.R.); (G.J.C.); (H.H.T.)
| | - Felipe d. N. Vieira
- Marine Shrimp Laboratory, Federal University of Santa Catarina (UFSC), Florianópolis 88061-600, Brazil; (F.d.N.V.); (M.A.M.)
| | - Mateus A. Martins
- Marine Shrimp Laboratory, Federal University of Santa Catarina (UFSC), Florianópolis 88061-600, Brazil; (F.d.N.V.); (M.A.M.)
| | - Greg J. Coman
- Livestock & Aquaculture Program, Bribie Island Research Centre, The Commonwealth Scientific and Industrial Research Organisation (CSIRO), Woorim 4507, Australia; (A.N.R.); (G.J.C.); (H.H.T.)
| | - Ha H. Truong
- Livestock & Aquaculture Program, Bribie Island Research Centre, The Commonwealth Scientific and Industrial Research Organisation (CSIRO), Woorim 4507, Australia; (A.N.R.); (G.J.C.); (H.H.T.)
| | - Tansyn H. Noble
- Livestock & Aquaculture Program, CSIRO, Berrimah 0828, Australia;
| | - Cedric J. Simon
- Livestock & Aquaculture Program, CSIRO, Queensland Bioscience Precinct, St. Lucia 4067, Australia;
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Ong JH, Wong WL, Wong FC, Chai TT. Targeting PirA vp and PirB vp Toxins of Vibrio parahaemolyticus with Oilseed Peptides: An In Silico Approach. Antibiotics (Basel) 2021; 10:1211. [PMID: 34680792 PMCID: PMC8532646 DOI: 10.3390/antibiotics10101211] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 09/28/2021] [Accepted: 09/28/2021] [Indexed: 01/18/2023] Open
Abstract
Acute hepatopancreatic necrosis disease (AHPND), caused by PirAvp- and PirBvp-releasing Vibrio parahaemolyticus strains, has resulted in massive mortality in shrimp aquaculture. Excessive use of antibiotics for AHPND management has led to antibiotic resistance, highlighting the urgency to search for alternatives. Using an in silico approach, we aimed to discover PirAvp/PirBvp-binding peptides from oilseed meals as alternatives to antibiotics. To search for peptides that remain intact in the shrimp digestive tract, and therefore would be available for toxin binding, we focused on peptides released from tryptic hydrolysis of 37 major proteins from seeds of hemp, pumpkin, rape, sesame, and sunflower. This yielded 809 peptides. Further screening led to 24 peptides predicted as being non-toxic to shrimp, fish, and humans, with thermal stability and low water solubility. Molecular docking on the 24 peptides revealed six dual-target peptides capable of binding to key regions responsible for complex formation on both PirAvp and PirBvp. The peptides (ISYVVQGMGISGR, LTFVVHGHALMGK, QSLGVPPQLGNACNLDNLDVLQPTETIK, ISTINSQTLPILSQLR, PQFLVGASSILR, and VQVVNHMGQK) are 1139-2977 Da in mass and 10-28 residues in length. Such peptides are potential candidates for the future development of peptide-based anti-AHPND agents which potentially mitigate V. parahaemolyticus pathogenesis by intercepting PirAvp/PirBvp complex formation.
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Affiliation(s)
- Joe-Hui Ong
- Department of Chemical Science, Faculty of Science, Universiti Tunku Abdul Rahman, Jalan Universiti, Bandar Barat, Kampar 31900, Perak, Malaysia; (J.-H.O.); (F.-C.W.)
| | - Wey-Lim Wong
- Department of Biological Science, Faculty of Science, Universiti Tunku Abdul Rahman, Jalan Universiti, Bandar Barat, Kampar 31900, Perak, Malaysia;
- Center for Agriculture and Food Research, Universiti Tunku Abdul Rahman, Jalan Universiti, Bandar Barat, Kampar 31900, Perak, Malaysia
| | - Fai-Chu Wong
- Department of Chemical Science, Faculty of Science, Universiti Tunku Abdul Rahman, Jalan Universiti, Bandar Barat, Kampar 31900, Perak, Malaysia; (J.-H.O.); (F.-C.W.)
- Center for Agriculture and Food Research, Universiti Tunku Abdul Rahman, Jalan Universiti, Bandar Barat, Kampar 31900, Perak, Malaysia
| | - Tsun-Thai Chai
- Department of Chemical Science, Faculty of Science, Universiti Tunku Abdul Rahman, Jalan Universiti, Bandar Barat, Kampar 31900, Perak, Malaysia; (J.-H.O.); (F.-C.W.)
- Center for Agriculture and Food Research, Universiti Tunku Abdul Rahman, Jalan Universiti, Bandar Barat, Kampar 31900, Perak, Malaysia
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