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利用生长激素基因多态性在不同水生环境中对生长性能进行选择。

Selection for Growth Performance in Across Different Aquatic Environments Using Growth Hormone Gene Polymorphisms.

作者信息

Ali Fawzia S, Awad Simone T, Ismail Mohamed, Hemeda Shabaan A, El Nahas Abeer F, Abbas Eman M, Mamoon Ahmed, Nazmi Hani, El-Haroun Ehab

机构信息

Aquaculture Division, National Institute of Oceanography and Fisheries, NIOF, Cairo 11516, Egypt.

Department of Animal Husbandry and Animal Wealth Development, Faculty of Veterinary Medicine, Alexandria University, Alexandria 22758, Egypt.

出版信息

Animals (Basel). 2025 Jul 16;15(14):2097. doi: 10.3390/ani15142097.

DOI:10.3390/ani15142097
PMID:40723560
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12291795/
Abstract

The current work focused on the molecular selection of with improved growth performance through marker-trait associations between SNPs within the growth hormone gene () and growth performance. A total of 155 fish of the same age were collected from three locations (Lake Brullus (B), the River Nile at El-Qanater El-Khairia (Q), and Lake Nasser (A)). The selected individual progenies were evaluated through gene expression analysis for growth, inflammatory, nervous, and immune-related genes. A total of nine SNPs and three InDels were significantly associated with morphometric characteristics. The phenotypic variance () of the detected SNPs ranged between 2.6% and 36%. The best populations were A and Q, as they recorded the best growth performance and harboured the highest number of SNPs and InDels, in addition to a significant increase in body weight and length. Furthermore, their progenies documented the most promising gene expression patterns of all tested genes. The current research highlights the importance of molecular selection and the potential use of population-specific SNPs in tilapia breeding programs.

摘要

当前的工作聚焦于通过生长激素基因（）内单核苷酸多态性（SNP）与生长性能之间的标记-性状关联，对具有改善生长性能的罗非鱼进行分子选择。从三个地点（布鲁卢斯湖（B）、位于宰加济格的尼罗河（Q）和纳赛尔湖（A））收集了总共155条同龄鱼。通过对生长、炎症、神经和免疫相关基因的基因表达分析，对所选的个体后代进行评估。总共九个SNP和三个插入缺失（InDel）与形态特征显著相关。检测到的SNP的表型变异（）在2.6%至36%之间。最佳种群是A和Q，因为它们记录了最佳的生长性能，拥有最多数量的SNP和InDel，此外体重和体长也显著增加。此外，它们的后代记录了所有测试基因中最有前景的基因表达模式。当前的研究突出了分子选择的重要性以及群体特异性SNP在罗非鱼育种计划中的潜在用途。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/6c8829e3d63d/animals-15-02097-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/2187576c7998/animals-15-02097-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/8c9c49306c9d/animals-15-02097-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/3b224599f8d8/animals-15-02097-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/552421f081c7/animals-15-02097-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/6db5c46329c5/animals-15-02097-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/9eb7763fd2dd/animals-15-02097-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/93078ee74a0e/animals-15-02097-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/00036390f86b/animals-15-02097-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/ac85c62523a3/animals-15-02097-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/6c8829e3d63d/animals-15-02097-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/2187576c7998/animals-15-02097-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/8c9c49306c9d/animals-15-02097-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/3b224599f8d8/animals-15-02097-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/552421f081c7/animals-15-02097-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/6db5c46329c5/animals-15-02097-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/9eb7763fd2dd/animals-15-02097-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/93078ee74a0e/animals-15-02097-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/00036390f86b/animals-15-02097-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/ac85c62523a3/animals-15-02097-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd09/12291795/6c8829e3d63d/animals-15-02097-g010.jpg

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