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Animals
Special Issues
Omics in Economic Aquatic Animals
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Omics in Economic Aquatic Animals

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Animal Welfare".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 767

Special Issue Editor

Dr. Changxu Tian

E-Mail Website
Guest Editor
Fisheries College, Guangdong Ocean University, Zhanjiang 524091, China
Interests: fish; omics; breeding; genetics; environmental stressors; sex determination; reproductive biology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Aquatic animals provide a large amount of food biomass and high-quality nutrients, making it necessary to conduct genetic improvement research on more aquatic animals. Omics research (genomics, transcriptomics, proteomics, and metabolomics) has focused on various aquaculture research areas, targeting different aspects, including physiology and endocrinology, genetic breeding, nutrition, environmental stress response, disease, and health management. These technologies are increasingly used to study economic aquatic animals. We are particularly interested in integrating a wide range of omics data to carefully analyze and interpret the genetic mechanisms of important economic traits in economic aquatic animals. The scope of this Special Issue of Animals covers the latest advances in the study of omics in economic aquatic animals. Submissions may include original reports, reviews, perspectives, and methodology articles.

Dr. Changxu Tian
Guest Editor

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. Animals is an international peer-reviewed open access semimonthly 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 2400 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

  • aquatic animals
  • economic traits
  • omics
  • next-generation sequencing

Published Papers (1 paper)

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Research

17 pages, 5539 KiB  
Article
Effects of Chronic Heat Stress on Growth, Apoptosis, Antioxidant Enzymes, Transcriptomic Profiles, and Immune-Related Genes of Hong Kong Catfish (Clarias fuscus)
by Yong Liu, Changxu Tian, Zhihua Yang, Cailin Huang, Kaizhi Jiao, Lei Yang, Cunyu Duan, Zhixin Zhang and Guangli Li
Animals 2024, 14(7), 1006; https://doi.org/10.3390/ani14071006 - 26 Mar 2024
Viewed by 534
Abstract
Chronic heat stress can have detrimental effects on the survival of fish. This study aimed to investigate the impact of prolonged high temperatures on the growth, antioxidant capacity, apoptosis, and transcriptome analysis of Hong Kong catfish (Clarias fuscus). By analyzing the [...] Read more.
Chronic heat stress can have detrimental effects on the survival of fish. This study aimed to investigate the impact of prolonged high temperatures on the growth, antioxidant capacity, apoptosis, and transcriptome analysis of Hong Kong catfish (Clarias fuscus). By analyzing the morphological statistics of C. fuscus subjected to chronic high-temperature stress for 30, 60, and 90 days, it was observed that the growth of C. fuscus was inhibited compared to the control group. The experimental group showed a significant decrease in body weight and body length compared to the control group after 60 and 90 days of high-temperature stress (p < 0.05, p < 0.01). A biochemical analysis revealed significant alterations in the activities of three antioxidant enzymes superoxide dismutase activity (SOD); catalase activity (CAT); glutathione peroxidase activity (GPx), the malondialdehyde content (MDA), and the concentrations of serum alkaline phosphatase (ALP); Aspartate aminotransferase (AST); and alanine transaminase (ALT) in the liver. TUNEL staining indicated stronger apoptotic signals in the high-temperature-stress group compared to the control group, suggesting that chronic high-temperature-induced oxidative stress, leading to liver tissue injury and apoptosis. Transcriptome analysis identified a total of 1330 DEGs, with 835 genes being upregulated and 495 genes being downregulated compared to the control group. These genes may be associated with oxidative stress, apoptosis, and immune response. The findings elucidate the growth changes in C. fuscus under chronic high temperature and provide insights into the underlying response mechanisms to a high-temperature environment. Full article
(This article belongs to the Special Issue Omics in Economic Aquatic Animals)
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