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Biology
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Genetic Breeding and Reproduction of Aquatic Animals
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Genetic Breeding and Reproduction of Aquatic Animals

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

Deadline for manuscript submissions: 30 June 2024 | Viewed by 4144

Special Issue Editors

Dr. Dongmei Ma

E-Mail Website
Guest Editor
Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China
Interests: genetic breeding and reproduction of fish
Dr. Huaping Zhu

E-Mail Website
Guest Editor
Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China
Interests: genetic breeding and reproduction of fish
Dr. Zaixuan Zhong

E-Mail Website
Guest Editor
Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China
Interests: genetic breeding and reproduction of fish
Prof. Qingheng Wang

E-Mail Website
Guest Editor
Fisheries College, Guangdong Ocean University, Zhanjiang 524088, China
Interests: genetic breeding and reproduction of shellfish

Special Issue Information

Dear Colleagues, 

The process of obtaining high yields in aquaculture is dependent heavily on the use of varieties and strains. While reproduction technology is basic to genetic breeding of aquatic animals, after the breakthrough of artificial fertilization techniques for the four Chinese major carps in 1958–1960,  the freshwater fish culture ceased to be limited by the availability of naturally produced seed. Then, selective breeding, cross breeding, gynogenesis and polyploid breeding were applied to fish genetic breeding. Then, the 21st century, great changes in the study of genetic breeding of aquatic animals have been brought by the fast development of molecular biotechnology and bioinformatics. The information of various biological processes regulated at the molecular level, including the discovery of novel loci crucial for population genetics, breeding, and selection, was revealed. Furthermore, for the late decade, high-throughput techniques of the second-generation sequencing (SGS) and third-generation sequencing (TGS) varieties have been widely employed in the genetic breeding of aquatic animals, which promotes the process of whole genome breeding. Today, genetic improvements through new breeding and reproduction technology have been well documented in several farmed aquatic animals, including fish, shrimp, crab and shellfish, etc.

The genetic breeding research of aquatic animals targeting growth and feed efficiency, body shape, immunity and disease resistance, sex determination, stress tolerance, color and pigmentation, intermuscular bone, meat quality, and nutrition, etc., develops and progresses rapidly. So a deep dive into the mechanism of the above biological processes are needed to be further revealed and explained by using of new molecular biology and production technology.

In this Special Issue, publications include original research and reviews in the following fields: reproduction technology; gene function analysis; mapping of genes, traits and QTLs; molecular marker screening and linkage location; associations between genes and traits; genetic diversity; variability at gene and protein levels; the characterization of gene or protein expression and control, related to phenotypic or genetic variation.

We look forward to receiving your contributions.

Dr. Dongmei Ma
Dr. Huaping Zhu
Dr. Zaixuan Zhong
Prof. Qingheng Wang
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

  • genetic breeding
  • reproduction technology
  • gene, protein
  • molecular marker
  • trait
  • QTLs, molecular marker
  • fish
  • shrimp
  • crab
  • shellfish
  • aquatic animals
  • transcriptomics
  • proteomics
  • metabonomics

Published Papers (3 papers)

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Research

15 pages, 1008 KiB  
Article
PMSeeker: A Scheme Based on the Greedy Algorithm and the Exhaustive Algorithm to Screen Low-Redundancy Marker Sets for Large-Scale Parentage Assignment with Full Parental Genotyping
by Lei Xia, Mijuan Shi, Heng Li, Wanting Zhang, Yingyin Cheng and Xiao-Qin Xia
Biology 2024, 13(2), 100; https://doi.org/10.3390/biology13020100 - 05 Feb 2024
Cited by 1 | Viewed by 999
Abstract
Parentage assignment is a genetic test that utilizes genetic characteristics, such as molecular markers, to identify the parental relationships within populations, which, in commercial fish farming, are almost always large and where full information on potential parents is known. To accurately find the [...] Read more.
Parentage assignment is a genetic test that utilizes genetic characteristics, such as molecular markers, to identify the parental relationships within populations, which, in commercial fish farming, are almost always large and where full information on potential parents is known. To accurately find the true parents, the genotypes of all loci in the parentage marker set (PMS) are required for each individual being tested. With the same accuracy, a PMS containing a smaller number of markers will undoubtedly save experimental costs. Thus, this study established a scheme to screen low-redundancy PMSs using the exhaustive algorithm and greedy algorithm. When screening PMSs, the greedy algorithm selects markers based on the parental dispersity index (PDI), a uniquely defined metric that outperforms the probability of exclusion (PE). With the conjunctive use of the two algorithms, non-redundant PMSs were found for more than 99.7% of solvable cases in three groups of random sample experiments in this study. Then, a low-redundancy PMS can be composed using two or more of these non-redundant PMSs. This scheme effectively reduces the number of markers in PMSs, thus conserving human and experimental resources and laying the groundwork for the widespread implementation of parentage assignment technology in economic species breeding. Full article
(This article belongs to the Special Issue Genetic Breeding and Reproduction of Aquatic Animals)
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12 pages, 3421 KiB  
Article
Genetic Diversity and Population Structure of Coilia nasus Revealed by 2b-RAD Sequencing
by Shuangmeng Zhang, Zisheng Xu, Lifei Luo, Shuxin Gu, Zhen Hu, Shiming Wan and Zexia Gao
Biology 2023, 12(4), 600; https://doi.org/10.3390/biology12040600 - 14 Apr 2023
Cited by 1 | Viewed by 1327
Abstract
Coilia nasus is a threatened migratory species in the Yangtze River Basin. To reveal the genetic diversity of natural and farmed populations of C. nasus and the status of germplasm resources in the Yangtze River, the genetic diversity and structure of two wild [...] Read more.
Coilia nasus is a threatened migratory species in the Yangtze River Basin. To reveal the genetic diversity of natural and farmed populations of C. nasus and the status of germplasm resources in the Yangtze River, the genetic diversity and structure of two wild populations (Yezhi Lake: YZ; Poyang Lake: PY) and two farmed populations (Zhenjiang: ZJ; Wuhan: WH) of C. nasus were analyzed using 44,718 SNPs obtained via 2b-RAD sequencing. The results indicate that both the wild and farmed populations had low genetic diversity, and germplasm resources have undergone varying degrees of degradation. Population genetic structure analyses indicated that the four populations may have come from two ancestral groups. Different amounts of gene flow were identified among WH, ZJ, and PY populations, but gene flow among YZ and other populations was low. It is speculated that the river–lake isolation of Yezhi Lake is the main cause of this phenomenon. In conclusion, this study revealed that genetic diversity reduction and germplasm resource degradation had occurred in both wild and farmed C. nasus, suggesting that conservation of its resources is of great urgency. This study provides a theoretical basis for the conservation and rational exploitation of germplasm resources for C. nasus. Full article
(This article belongs to the Special Issue Genetic Breeding and Reproduction of Aquatic Animals)
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18 pages, 5268 KiB  
Article
Molecular Characterization Related to Ovary Early Development Mechanisms after Eyestalk Ablation in Exopalaemon carinicauda
by Shaoting Jia, Jitao Li, Jianjian Lv, Xianyun Ren, Jiajia Wang, Qiong Wang, Ping Liu and Jian Li
Biology 2023, 12(4), 596; https://doi.org/10.3390/biology12040596 - 14 Apr 2023
Cited by 2 | Viewed by 1279
Abstract
Eyestalk ablation is an effective method to promote ovarian development in crustaceans. Herein, we performed transcriptome sequencing of ovary and hepatopancreas tissues after eyestalk ablation in Exopalaemon carinicauda to identify genes related to ovarian development. Our analyses led to the identification of 97,383 [...] Read more.
Eyestalk ablation is an effective method to promote ovarian development in crustaceans. Herein, we performed transcriptome sequencing of ovary and hepatopancreas tissues after eyestalk ablation in Exopalaemon carinicauda to identify genes related to ovarian development. Our analyses led to the identification of 97,383 unigenes and 190,757 transcripts, with an average N50 length of 1757 bp. In the ovary, four pathways related to oogenesis and three related to oocyte rapid growth were enriched. In the hepatopancreas, two vitellogenesis-associated transcripts were identified. Furthermore, short time-series expression miner (STEM) and gene ontology (GO) enrichment analyses revealed five terms related to gamete generation. In addition, two-color fluorescent in situ hybridization results suggested that dmrt1 might play a vital role in oogenesis during the early stage of ovarian development. Overall, our insights should support future studies focusing on investigating oogenesis and ovarian development in E. carinicauda. Full article
(This article belongs to the Special Issue Genetic Breeding and Reproduction of Aquatic Animals)
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