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Molecular Biology of Fish Stress

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Biology".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 509

Special Issue Editors

College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
Interests: fish transportation stress; ammonia nitrogen stress; muscle quality; apoptosis
Special Issues, Collections and Topics in MDPI journals
Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430070, China
Interests: cold stress; thermal stress; genome; gene function; fish anti-stress; bioinformatics; molecular genetics; genome editing
Laboratory of Fish and Shellfish Nutrition, School of Marine Sciences, Ningbo University, Ningbo 315211, China
Interests: acute salinity stress; aquatic animal nutrition and feed; endoplasmic reticulum stress; high-fat diet stress; nutritional physiological stress
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Fish are an important source of food that provide essential nutrition (particularly protein) for humans. Throughout the industrial chain, including aquaculture, transportation, and processing, etc., live fish are exposed to a range of environmental stressors (e.g., temperature, hypoxia, acidity, ammonia nitrogen, salinity, crowding, etc.) that may trigger a stress response, affecting their survival rate, welfare, health, growth, muscle quality, etc. Additionally, over-nutrition stress, such as high-fat and high- carbohydrate diets, can also contribute to metabolic disturbances and related health issues in fish. Under stress, fishes’ adaptive regulatory strategies mobilize energy to counteract environmental changes and maintain vital functions, involving processes like gene expression, metabolism, and immunity, etc. Molecular biology serves as a fundamental discipline for investigating these stress responses.

This Special Issue invites papers in the following areas:

  • Molecular mechanisms of stress and anti-stress of fish throughout the industrial chain, including aquaculture, transportation, processing, etc.
  • Impact of stress on fish survival rate, welfare, growth, health, muscle quality, etc.
  • Influence of over-nutrition stress (e.g., high-fat and high-carbohydrate diets) on fish health and metabolism.
  • New strategies or natural additives applied to mitigate fish stress and the underlying molecular mechanisms.
  • Other aspects related to the molecular biology of fish stress.

Dr. Tao Yin
Dr. Yong Long
Dr. Min Jin
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. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. 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 stress
  • molecular biology
  • omics
  • apoptosis
  • inflammation

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Published Papers (1 paper)

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Research

24 pages, 10849 KiB  
Article
Mitigating Effect of Taurine Combined with Corona Dormancy on Oxidative Stress in Trachinotus ovatus Under Low-Temperature Stress
by Siwei Liu, Kaicui Zhong, Jiamei Zhong, Xiuping Fan and Xiaoming Qin
Int. J. Mol. Sci. 2025, 26(7), 2927; https://doi.org/10.3390/ijms26072927 - 24 Mar 2025
Viewed by 236
Abstract
The purpose of the present work was to establish the transportation conditions for keeping Trachinotus ovatus alive by means of corona-induced dormancy in combination with taurine. It also investigated the synergistic regulatory effects on oxidative stress mitigation and immune function during low-temperature conditions [...] Read more.
The purpose of the present work was to establish the transportation conditions for keeping Trachinotus ovatus alive by means of corona-induced dormancy in combination with taurine. It also investigated the synergistic regulatory effects on oxidative stress mitigation and immune function during low-temperature conditions and clarified the underlying mechanism. The dormancy pretreatment induced by pulsed direct current could reduce the accumulation of reactive oxygen species in fish under hypothermal and water-restricted conditions and significantly enhance the environmental adaptability of Trachinotus ovatus. The survival period and survival rate of Trachinotus ovatus were significantly increased when combined with taurine at a concentration of 70 mg/L, and the activities of enzymes related to oxidative stress also increased significantly, including catalase, superoxide dismutase (SOD), glutathione S-transferase, and so on. The underlying mechanism involved the upregulation of mRNA expression in the Nrf2/Keap1 pathway components. Furthermore, taurine supplementation was found to bolster the immune function of Trachinotus ovatus. Histological examinations revealed that taurine exerted protective effects on the ultrastructural integrity of the liver and gills, which were susceptible to stress-induced damage during transportation. Altogether, the concerted action of corona dormancy and taurine significantly mitigated the stress responses and tissue injuries of fish during low-temperature live transportation, thereby providing a mechanistic basis for the enhancement of live fish transportation techniques. Full article
(This article belongs to the Special Issue Molecular Biology of Fish Stress)
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