Submit to JMSE Review for JMSE Propose a Special Issue

Journal Menu

Journal Browser

Marine Fish Physiology and Molecular Nutrition

Print Special Issue Flyer
Special Issue Editors
Special Issue Information
Keywords
Benefits of Publishing in a Special Issue
Published Papers

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Marine Aquaculture".

Deadline for manuscript submissions: closed (25 November 2023) | Viewed by 9279

Share This Special Issue

Special Issue Editors

Prof. Dr. Qinghui Ai

E-Mail Website
Guest Editor

Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, Qingdao 266003, China
Interests: fish nutrition; lipid metabolism; fatty acids

Dr. Óscar Monroig

E-Mail Website1 Website2
Guest Editor

Instituto de Acuicultura Torre de la Sal (IATS-CSIC), 12595 Ribera de Cabanes, Spain
Interests: fish nutrition; lipid biochemistry; molecular biology
Special Issues, Collections and Topics in MDPI journals

Dr. Kai Liao

E-Mail Website
Guest Editor

College of Marine Sciences, Ningbo University, Ningbo, China
Interests: pampus argenteus; fish physiology; bivalve nutrition

Dr. Mo Peng

E-Mail Website
Guest Editor

College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, China
Interests: glycolipid metabolism; nutrition physiology and regulation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

As one of the significant global food-producing sectors, aquaculture makes an important contribution to ensuring food security and nutrition in the 21st century. In recent years, fish aquaculture has also been increasingly expanded in response to growing demand. Considering the healthy development of the industry, advancing the understanding of fish physiology and nutrition, as well as further revealing the molecular mechanisms, is essential for the healthy growth of fish and the optimization of rearing techniques.

This Special Issue aims to cover the most recent advances in the molecular mechanisms of nutritional regulation in fish physiology, biochemistry, immunology, and metabolism. High-quality original research papers or reviews related to the various aspects mentioned above are encouraged.

Prof. Dr. Qinghui Ai
Dr. Óscar Monroig
Dr. Kai Liao
Dr. Mo Peng
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Marine Science and Engineering is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

fish
aquaculture
growth
physiology
molecular nutrition
immunology
metabolism

Benefits of Publishing in a Special Issue

Ease of navigation: Grouping papers by topic helps scholars navigate broad scope journals more efficiently.
Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
e-Book format: Special Issues with more than 10 articles can be published as dedicated e-books, ensuring wide and rapid dissemination.

Further information on MDPI's Special Issue polices can be found here.

Published Papers (5 papers)

Download All Papers

Order results

Result details

Show export options Show export options

Select all

Export citation of selected articles as:

Research

14 pages, 1228 KiB

Open AccessArticle

Dietary Fishmeal Replacement by Methanol-Extracted Cottonseed Meal with Amino Acid Supplementation for Juvenile Cobia Rachycentron canadum

by Jun Wang, Guangde Wu, Delbert M. Gatlin III, Kunpeng Lan, Yun Wang, Chuanpeng Zhou and Zhenhua Ma

J. Mar. Sci. Eng. 2024, 12(2), 235; https://doi.org/10.3390/jmse12020235 - 29 Jan 2024

Viewed by 957

Abstract

The present study aims to evaluate methanol-extracted cottonseed meal (CSM) as a potential replacement for fishmeal (FM) in aquafeeds for juvenile cobia Rachycentron canadum. Five isonitrogenous (41% crude protein) and isolipidic (11% crude lipid) diets were formulated with 0 (i.e., the full fishmeal diet, as Control), 25%, 50%, 75% and 100% of the dietary protein from FM replaced by methanol-extracted CSM with L-lysine (L-Lys) and DL-methionine (DL-Met) and supplemented to the established requirement levels for cobia. Diets were fed to triplicate groups of juvenile fish with an average initial weight (±SEM) of 11.35 ± 0.23 g/fish for 9 weeks. Percent weight gain (WG), feed efficiency (FE) and protein efficiency ratio (PER) of fish fed diets with 25% and 50% of FM protein replaced by methanol-extracted CSM were higher or comparable to those of fish fed the Control diet. Those responses were gradually reduced with increasing levels of CSM substitution, resulting in significant (p < 0.05) negative linear trends. Condition factor (CF) and hepatosomatic index (HSI) values significantly decreased with increasing dietary CSM inclusion, as did whole-body protein and lipid composition. Activities of superoxide dismutase (SOD) of fish fed CSM diets were not significantly different compared to that of fish fed the Control diet. The glutathione peroxidase (GSH-Px) and malonaldehyde (MDA) levels, as well as serum aspartate aminotransferase (AST) and alanine aminotransferase (ALT) activities from fish fed diets with 50% or greater of CSM were lower than those of fish fed the Control and CSM25 diets. These results indicated that the inclusion of CSM did not induce any apparent stress on juvenile cobia. Additionally, methanol-extracted CSM with Lys and Met supplementation was able to replace up to 20~30% of crude protein provided by FM in the diet of cobia without drastically affecting the growth performance or body composition. Full article

(This article belongs to the Special Issue Marine Fish Physiology and Molecular Nutrition)

► Show Figures

Figure 1

16 pages, 3636 KiB

Open AccessArticle

mTOR Plays a Conserved Role in Regulation of Nutritional Metabolism in Bivalve Sinonovacula constricta

by Qian Zhang, Yanrong Li, Kai Liao, Deshui Chen, Yangyang Qiu, Xiaojun Yan and Jilin Xu

J. Mar. Sci. Eng. 2023, 11(5), 1040; https://doi.org/10.3390/jmse11051040 - 12 May 2023

Cited by 2 | Viewed by 1662

Abstract

The mammalian target of rapamycin (mTOR) has been shown to play a central role in regulating cell growth and metabolism. However, little is known about the function of mTOR in nutrient metabolism in bivalve mollusks. In this study, the role of mTOR in the regulation of nutrient metabolism was investigated in Sinonovacula constricta. First, the activation of mTOR was assayed after starvation and refeeding. Afterwards, the role of mTOR in the regulation of nutrient metabolism was investigated using an activator (MHY1485) or inhibitor (rapamycin) of mTOR. The open reading frame of the S. constricta mTOR is 7416 bp in length and encodes a polypeptide consisting of 2471 amino acids. The mTOR amino acid sequence of S. constricta was highly conserved when compared with other species and had a close evolutionary relationship with the TOR proteins of Crassostrea gigas and Lingula anatine. mTOR was expressed in the intestine, exhalent siphon, labial palppus, muscle, inhalent siphon, gill, mantle, digestive land, and gonad tissue of S. constricta, with the highest expression in muscle. During starvation, the level of phosphorylated mTOR protein was relatively low, and the ratio of LC3II/LC3I protein and the AMPKα mRNA level significantly increased with the increase in starvation time. After feeding, the level of phosphorylated mTOR protein increased from 0.13 to 0.56, and the ratio of LC3II/I protein and AMPKα mRNA level decreased from 1.17 to 0.38. MHY1485 significantly increased the level of phosphorylated 4E-BP1 and significantly decreased the ratio of LC3II/I proteins. Furthermore, MHY1485 significantly increased the mRNA level of the glucose metabolism-related gene glucokinase (GK), significantly decreased the mRNA expression of the G6P gene, and significantly increased the mRNA expression of the lipid synthesis-related genes sterol-regulatory element-binding protein (SREBP) and stearoyl-CoA desaturase (SCD). Rapamycin significantly reduced the level of phosphorylated 4E-BP1 and the mRNA expression of mTOR, and the expression level of phosphorylated 4EBP1 decreased from 0.97 to 0.28. Meanwhile, it also significantly reduced the mRNA expression of glucose metabolism-related genes GK, pyruvate kinase (PK), glucose transporter 1 (GLUT1), and G6P, as well as lipid synthesis-related genes SCD and acetyl-CoA carboxylase (ACC). These results indicate a conserved role of mTOR in regulating nutritional metabolism, including glucose metabolism, lipid synthesis, and autophagy in S. constricta. Full article

(This article belongs to the Special Issue Marine Fish Physiology and Molecular Nutrition)

► Show Figures

Figure 1

10 pages, 555 KiB

Open AccessArticle

Effects of Selenium Yeast Addition on the Growth, Intestinal Health, Immune Status and Body Composition of Juvenile Sea Cucumber Apostichopus japonicus before and after Aestivation

by Rantao Zuo, Xiangying Wu, Ziyao Wang, Xiaohui Zhou, Yaqing Chang, Zhilong Yang, Zuqiang Huang and Jun Ding

J. Mar. Sci. Eng. 2023, 11(3), 601; https://doi.org/10.3390/jmse11030601 - 13 Mar 2023

Viewed by 1587

Abstract

This study was performed to investigate the effects of selenium yeast (Se-yeast) on the growth, intestinal health, immune status and body composition of juvenile Apostichopus japonicus before and after aestivation. Five experimental diets were formulated with increasing addition of Se-yeast (0, 0.5, 1.0, 1.5 and 2.0 mg/kg), with the diet without Se-yeast as the control. Each diet was randomly assigned to three tanks of juvenile A. japonicus (initial body weight: 2.96 ± 0.04 g). The whole experiment lasted for 135 days, which included a 45-day feeding experiment before aestivation, a 60-day aestivation phage and a 30-day feeding experiment after aestivation. The results showed that weight gain rate (WGR) was significantly increased by the increasing addition of Se-yeast before aestivation. After aestivation, WGR was markedly elevated by 1.0 mg/kg Se-yeast but was inhibited by 1.5–2.0 mg/kg Se-yeast. The evisceration rate (ER) of A. japonicus was obviously inhibited by the relatively higher addition level of Se-yeast (1.5–2.0 mg/kg) before aestivation. After aestivation, the ER was significantly inhibited by Se-yeast at an addition of 1.5 mg/kg. Before aestivation, the highest activities of all digestive enzymes were obtained by Se-yeast addition at a level equal to or above 1.0 mg/kg Se-yeast. After aestivation, the activities of most digestive enzymes were maximized by Se-yeast at the addition level of no more than 1.0 mg/kg. Before aestivation, the activities of nitric oxide synthase and alkaline phosphatase significantly increased by the increasing addition of Se-yeast. After aestivation, immune related parameters exhibited the highest or comparable values when the addition level of Se-yeast was equal to or less than 1.0 mg/kg. Notably, the selenium content in the body wall of A. japonicus increased significantly as Se-yeast addition increased in the diets. These results showed that Se-yeast at the addition level of 1.5–2.0 mg/kg before aestivation and 1.0–1.5 mg/kg after aestivation was beneficial for the promotion of growth, intestinal health and immune status of juvenile A. japonicus. Full article

(This article belongs to the Special Issue Marine Fish Physiology and Molecular Nutrition)

► Show Figures

Figure 1

16 pages, 2496 KiB

Open AccessArticle

The Effect of Schizochytrium sp. on Growth, Fatty Acid Profile and Gut Microbiota of Silver Pomfret (Pampus argenteus)

by Yuanbo Li, Qijun Le, Man Zhang, Shanliang Xu, Shan He, Xiaojun Yan, Jiabao Hu and Yajun Wang

J. Mar. Sci. Eng. 2023, 11(2), 414; https://doi.org/10.3390/jmse11020414 - 14 Feb 2023

Cited by 2 | Viewed by 2141

Abstract

Schizochytrium sp. is a kind of heterotrophic protist, rich in docosahexaenoic acid (DHA). To study the application value of Schizochytrium sp. in fish diet, a 20-day feeding experiment was initiated to evaluate its effect on growth, fatty acid contents, and the gut microbiota of the important economic fish, silver pomfret. In this study, the diets of the treatment group were added with 2% Schizochytrium sp. The fish in the treatment group gained more weight and had a higher growth rate than the control group. The levels of DHA, eicosapentaenoic acid, and polyunsaturated fatty acids in the edible tissue of fish were highly increased in the treatment group after 20 days. After feeding Schizochytrium sp., high-throughput 16S rRNA sequencing showed that the Proteobacteria, Firmicutes and Bacteroidetes were the phyla with the highest abundance, and at the genus and species level, we observed an increased abundance of probiotics. The results indicated that ingestion of Schizochytrium sp. could change the dominant microbiota population, which might lead to accelerated growth and improved unsaturated fatty acid content and fish health. This study provides a reference for Schizochytrium sp. supplementation in fish diets and could aid in the industrialization of silver pomfret. Full article

(This article belongs to the Special Issue Marine Fish Physiology and Molecular Nutrition)

► Show Figures

Figure 1

13 pages, 2612 KiB

Open AccessArticle

Effects of Dietary Vegetable Oils Replacing Fish Oil on Fatty Acid Composition, Lipid Metabolism and Inflammatory Response in Adipose Tissue of Large Yellow Croaker (Larimichthys crocea)

by Dan Xu, Xiaojun Xiang, Xueshan Li, Ning Xu, Wencong Zhang, Kangsen Mai and Qinghui Ai

J. Mar. Sci. Eng. 2022, 10(11), 1760; https://doi.org/10.3390/jmse10111760 - 16 Nov 2022

Cited by 9 | Viewed by 2120

Abstract

The present study was conducted to investigate the effects of dietary vegetable oils (VOs) replacing fish oil (FO) on fatty acid composition, lipid metabolism and inflammatory response in adipose tissue (AT) of large yellow croaker (Larimichthys crocea). The initial body weight of a large yellow croaker was 10.07 ± 0.13 g. Three iso-nitrogenous and iso-lipidic diets were formulated by replacing FO with 0% (the control group), 100% soybean oil (SO) and 100% linseed oil (LO). Results showed that the contents of C18:2n-6 and C18:3n-3 were significantly increased in AT of fish fed the SO and LO diets compared with the FO diet, respectively. The proportion of n-6 polyunsaturated fatty acid (PUFA) was increased in SO and LO diets, while the proportions of saturated fatty acid and n-3 LC-PUFA were decreased. Moreover, dietary SO and LO significantly induced excess fat accumulation of AT by increasing the triglyceride content and the hypertrophy of adipocytes. Dietary SO and LO significantly increased lipogenesis-related gene expressions (dagt2, fabp10, srebp1, cebpα and pparγ), while decreasing the gene expression of lpl. Meanwhile, dietary SO increased the expression of genes related to fatty acid β-oxidation (cpt1 and aco), while LO showed no differences. Furthermore, dietary SO and LO increased the pro-inflammatory gene expressions and decreased the anti-inflammatory gene il10 expression. The phosphorylation levels of p38 MAPK and NF-κB were significantly upregulated by dietary SO and LO. In addition, there was a significant increase in macrophage infiltration and M1 polarization in AT of fish fed SO and LO diets. In conclusion, the present study revealed that dietary SO and LO replacing FO affected fatty acid composition and induced lipid dysmetabolism and inflammatory response in the adipose tissue of large yellow croaker. Full article

(This article belongs to the Special Issue Marine Fish Physiology and Molecular Nutrition)

► Show Figures

Journal Menu

Journal Browser

Marine Fish Physiology and Molecular Nutrition

Share This Special Issue

Special Issue Editors

Special Issue Information

Keywords

Benefits of Publishing in a Special Issue

Published Papers (5 papers)

Research

Further Information

Guidelines

MDPI Initiatives

Follow MDPI