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Biology
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Advances and Insights in Aquatic Physiology
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Advances and Insights in Aquatic Physiology

A special issue of Biology (ISSN 2079-7737). This special issue belongs to the section "Physiology".

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 10155

Special Issue Editors

Dr. Quanquan Cao

E-Mail Website
Guest Editor
College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
Interests: fish; physiology; environment; nutrition; molecular
Special Issues, Collections and Topics in MDPI journals
Dr. Xin Wen

E-Mail Website
Guest Editor
State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Aquaculture Breeding Engineering Research Center, Hainan Academician Team Innovation Center, Hainan University, Haikou 570228, China
Interests: aquatic physiology; aquaculture; aquatic breeding
Dr. Cheng Zhao

E-Mail Website
Guest Editor
Key Laboratory of Biodiversity and Biotechnology of Jiangsu Province, College of Life Sciences, Nanjing Normal University, Nanjing 210023, China
Interests: developmental biology; aquaculture; aquatic breeding
Dr. Guosong Zhang

E-Mail Website
Guest Editor
Key Laboratory for Physiology Biochemistry and Application, Heze University, Heze 274015, China
Interests: developmental biology; aquaculture; aquatic breeding
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue concerned with aquatic physiology. It covers topics such as the effects of water temperature, salinity, light, and other environmental factors on the physiology of aquatic organisms, as well as the impact of human activity on aquatic ecosystems. Research on all aquatic organisms will be welcome to this Special Issue, including fish, crabs, shrimps, mollusks, and crustaceans. This Special Issue focuses on the latest advances and insights in aquatic physiology.

This Special Issue aims to provide a platform for researchers and scientists to publish original research articles, reviews, and perspectives on topics related to the physiology of aquatic organisms. A further aim is to advance our understanding of the physiological adaptations of aquatic organisms to their environment, mechanisms of respiration, circulation, and osmoregulation in aquatic organisms, and the effects of environmental factors on aquatic organism physiology. Additionally, we seek to promote research on nutrient uptake and metabolism in aquatic organisms, the comparative physiology of different aquatic species, physiological responses to stressors and pollutants in aquatic systems, and applications of aquatic physiology research to the conservation and management of aquatic ecosystems. By publishing high-quality research in this Special Issue, scientists can contribute to the scientific community and advance our understanding of aquatic physiology.

As Guest Editor, I invite researchers, scientists, and experts in the field to contribute their expertise and knowledge to the Special Issue. We welcome original research articles, reviews, and perspectives on topics related to aquatic physiology, including but not limited to:

  1. Physiological adaptations of aquatic organisms to their environment (water temperature, oxygen concentration, nutrition, pH, salinity, light, metal ion, and other environmental factors).
  2. Mechanisms of respiration, circulation, and osmoregulation in aquatic organisms.
  3. Effects of environmental factors on aquatic organism physiology.
  4. Nutrient uptake and metabolism in aquatic organisms.
  5. Comparative physiology of different aquatic species.
  6. Physiological responses to stressors and pollutants in aquatic systems.
  7. Applications of aquatic physiology research to the conservation and management of aquatic ecosystems.

Dr. Quanquan Cao
Dr. Xin Wen
Dr. Cheng Zhao
Dr. Guosong Zhang
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. Biology 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 2700 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

  • physiology
  • ecology
  • environment
  • toxicology
  • mechanism

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

Published Papers (4 papers)

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Research

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14 pages, 1659 KiB  
Article
Daily Rhythmicity of Muscle-Related and Rhythm Genes Expression in Mackerel Tuna (Euthynnus affinis)
by Wenwen Wang, Shiming Dai, Longlong Liu, Zhengyi Fu, Rui Yang, Gang Yu, Zhenhua Ma and Humin Zong
Biology 2023, 12(9), 1211; https://doi.org/10.3390/biology12091211 - 5 Sep 2023
Cited by 2 | Viewed by 1343
Abstract
The aim of this study was to investigate the circadian rhythm of muscle-related gene expression in mackerel tuna under different weather conditions. The experiment was carried out under two weather conditions at four sampling times (6:00, 12:00, 18:00, and 24:00) to determine the [...] Read more.
The aim of this study was to investigate the circadian rhythm of muscle-related gene expression in mackerel tuna under different weather conditions. The experiment was carried out under two weather conditions at four sampling times (6:00, 12:00, 18:00, and 24:00) to determine the expression of growth, function, and rhythm genes: white muscle rhythm genes were rhythmic on sunny and cloudy days, except for PER3 and RORA; all functional genes had daily rhythmicity. Red muscle had daily rhythmicity on both sunny and cloudy days; functional genes had daily rhythmicity except for MBNL. The expression levels of the rhythm gene PER1 were determined to be significantly different by independent t-test samples in white muscle at 6:00, 12:00, 18:00, and 24:00 under different weather conditions; the expression levels of the functional genes MBNL and MSTN were both significantly different. In the red muscle, the expression of the rhythm genes PER3, REVERBA, and BMAL1 was determined by independent t-test samples at 6:00, 12:00, 18:00, and 24:00 on cloudy and sunny days; the functional gene MBNL was significantly different. The present study showed that mackerel tuna muscle rhythm genes and functional genes varied significantly in expression levels depending on weather, time of day, and light intensity and that the expression levels of myogenic genes were closely related to clock gene expression. The fish were also able to adapt to changes in light intensity in different weather conditions through positive physiological regulation. Full article
(This article belongs to the Special Issue Advances and Insights in Aquatic Physiology)
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25 pages, 3173 KiB  
Article
Specific Blood Plasma Circulating miRs Are Associated with the Physiological Impact of Total Fish Meal Replacement with Soybean Meal in Diets for Rainbow Trout (Oncorhynchus mykiss)
by Francisco Javier Toledo-Solís, Ana M. Larrán, Juan B. Ortiz-Delgado, Carmen Sarasquete, Jorge Dias, Sofia Morais and Ignacio Fernández
Biology 2023, 12(7), 937; https://doi.org/10.3390/biology12070937 - 30 Jun 2023
Cited by 1 | Viewed by 2086
Abstract
High dietary SBM content is known to induce important physiological alterations, hampering its use as a major FM alternative. Rainbow trout (Oncorhynchus mykiss) juveniles were fed two experimental diets during 9 weeks: (i) a FM diet containing 12% FM; and (ii) [...] Read more.
High dietary SBM content is known to induce important physiological alterations, hampering its use as a major FM alternative. Rainbow trout (Oncorhynchus mykiss) juveniles were fed two experimental diets during 9 weeks: (i) a FM diet containing 12% FM; and (ii) a vegetable meal (VM) diet totally devoid of FM and based on SBM (26%). Fish fed the VM diet did not show reduced growth performance when compared with fish fed the FM diet. Nevertheless, fish fed the VM diet had an increased viscerosomatic index, lower apparent fat digestibility, higher aminopeptidase enzyme activity and number of villi fusions, and lower α-amylase enzyme activity and brush border integrity. Small RNA-Seq analysis identified six miRs (omy-miR-730a-5p, omy-miR-135c-5p, omy-miR-93a-3p, omy-miR-152-5p, omy-miR-133a-5p, and omy-miR-196a-3p) with higher expression in blood plasma from fish fed the VM diet. Bioinformatic prediction of target mRNAs identified several overrepresented biological processes known to be associated with high dietary SBM content (e.g., lipid metabolism, epithelial integrity disruption, and bile acid status). The present research work increases our understanding of how SBM dietary content has a physiological impact in farmed fish and suggests circulating miRs might be suitable, integrative, and less invasive biomarkers in fish. Full article
(This article belongs to the Special Issue Advances and Insights in Aquatic Physiology)
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15 pages, 10680 KiB  
Article
Transcriptomic Networks Reveal the Tissue-Specific Cold Shock Responses in Japanese Flounder (Paralichthys olivaceus)
by Jiayi He, Qing Zhu, Ping Han, Tianyu Zhou, Juyan Li, Xubo Wang and Jie Cheng
Biology 2023, 12(6), 784; https://doi.org/10.3390/biology12060784 - 28 May 2023
Viewed by 2025
Abstract
Low temperature is among the important factors affecting the distribution, survival, growth, and physiology of aquatic animals. In this study, coordinated transcriptomic responses to 10 °C acute cold stress were investigated in the gills, hearts, livers, and spleens of Japanese flounder (Paralichthys [...] Read more.
Low temperature is among the important factors affecting the distribution, survival, growth, and physiology of aquatic animals. In this study, coordinated transcriptomic responses to 10 °C acute cold stress were investigated in the gills, hearts, livers, and spleens of Japanese flounder (Paralichthys olivaceus), an important aquaculture species in east Asia. Histological examination suggested different levels of injury among P. olivaceus tissues after cold shock, mainly in the gills and livers. Based on transcriptome and weighted gene coexpression network analysis, 10 tissue-specific cold responsive modules (CRMs) were identified, revealing a cascade of cellular responses to cold stress. Specifically, five upregulated CRMs were enriched with induced differentially expressed genes (DEGs), mainly corresponding to the functions of “extracellular matrix”, “cytoskeleton”, and “oxidoreductase activity”, indicating the induced cellular response to cold shock. The “cell cycle/division” and “DNA complex” functions were enriched in the downregulated CRMs for all four tissues, which comprised inhibited DEGs, suggesting that even with tissue-specific responses, cold shock may induce severely disrupted cellular functions in all tissues, reducing aquaculture productivity. Therefore, our results revealed the tissue-specific regulation of the cellular response to low-temperature stress, which warrants further investigation and provides more comprehensive insights for the conservation and cultivation of P. olivaceus in cold water. Full article
(This article belongs to the Special Issue Advances and Insights in Aquatic Physiology)
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Review

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22 pages, 990 KiB  
Review
Profiling the Physiological Roles in Fish Primary Cell Culture
by Lingjie He, Cheng Zhao, Qi Xiao, Ju Zhao, Haifeng Liu, Jun Jiang and Quanquan Cao
Biology 2023, 12(12), 1454; https://doi.org/10.3390/biology12121454 - 21 Nov 2023
Cited by 2 | Viewed by 4038
Abstract
Fish primary cell culture has emerged as a valuable tool for investigating the physiological roles and responses of various cell types found in fish species. This review aims to provide an overview of the advancements and applications of fish primary cell culture techniques, [...] Read more.
Fish primary cell culture has emerged as a valuable tool for investigating the physiological roles and responses of various cell types found in fish species. This review aims to provide an overview of the advancements and applications of fish primary cell culture techniques, focusing on the profiling of physiological roles exhibited by fish cells in vitro. Fish primary cell culture involves the isolation and cultivation of cells directly derived from fish tissues, maintaining their functional characteristics and enabling researchers to study their behavior and responses under controlled conditions. Over the years, significant progress has been made in optimizing the culture conditions, establishing standardized protocols, and improving the characterization techniques for fish primary cell cultures. The review highlights the diverse cell types that have been successfully cultured from different fish species, including gonad cells, pituitary cells, muscle cells, hepatocytes, kidney and immune cells, adipocyte cells and myeloid cells, brain cells, primary fin cells, gill cells, and other cells. Each cell type exhibits distinct physiological functions, contributing to vital processes such as metabolism, tissue regeneration, immune response, and toxin metabolism. Furthermore, this paper explores the pivotal role of fish primary cell culture in elucidating the mechanisms underlying various physiological processes. Researchers have utilized fish primary cell cultures to study the effects of environmental factors, toxins, pathogens, and pharmaceutical compounds on cellular functions, providing valuable insights into fish health, disease pathogenesis, and drug development. The paper also discusses the application of fish primary cell cultures in aquaculture research, particularly in investigating fish growth, nutrition, reproduction, and stress responses. By mimicking the in vivo conditions in vitro, primary cell culture has proven instrumental in identifying key factors influencing fish health and performance, thereby contributing to the development of sustainable aquaculture practices. Full article
(This article belongs to the Special Issue Advances and Insights in Aquatic Physiology)
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