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About this Research Topic

Manuscript Submission Deadline 15 January 2023
Manuscript Extension Submission Deadline 28 February 2023

Nowadays, the aquaculture industry expands rapidly and thus has brought germplasm improvement to the front of public attention. An increasing number of new aquatic organism varieties have been developed with improved performance in fecundity, survival rate, growth, disease resistance, and so on by altering ...

Nowadays, the aquaculture industry expands rapidly and thus has brought germplasm improvement to the front of public attention. An increasing number of new aquatic organism varieties have been developed with improved performance in fecundity, survival rate, growth, disease resistance, and so on by altering their physiological status. For example, breeding strategies are centered on physiological traits associated with energy management, such as changes in gene expression, hormone secretion, enzyme activity and metabolic rate, which could enhance fitness in the environment during the reproductive period. Also of relevance to aquaculture breeders are physiological traits related to aquatic organisms’ responses to external stressors.

Although different biological methods such as transcriptomics, proteomics and metabolomics have been employed, the essential mechanism of genetic and physiological changes remains unclear. Lack of this fundamental theoretical knowledge has severely hindered the progress of germplasm improvement. Studies on the genetics and physiology of aquatic organisms will shed light on our understanding and the development of the aquaculture industry.

This Research Topic aims to provide a platform for researchers interested in the genetics and physiology of aquatic organisms and its application in germplasm improvement area. The goal of this research topic is to gather recent and innovative studies on aquatic biotechnology from both fundamental and application research.

The scientific questions/topics may include but are not limited to the following:
• Molecular basis of production-relevant traits;
• Regulation mechanism of sex and reproduction;
• Seedling production and artificial breeding technology with a focus on physiological mechanisms;
• Mechanisms of genomics and molecular breeding;
• Nutritional requirements and metabolic regulation of aquatic organisms;
• Population genetic diversity and genetic structure.

Keywords: aquatic organisms, biotechnology, germplasm improvement, genetic and physiological mechanism


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