绘制印度鸡种的全基因组多样性和种群动态图,以便进行有针对性的保护和育种。

IF 1.6 3区 农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE British Poultry Science Pub Date : 2024-08-30 DOI:10.1080/00071668.2024.2379968
R Arora, H Kumar, U Sharma, S Ahlawat, R Sharma, P Chhabra, V Sankhyan, R K Vijh
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引用次数: 0

摘要

1.基因改良和人工选择的广泛使用可能影响了印度鸡种的基因构成。需要对印度当代鸡群的遗传结构进行评估,以利于未来的改良和保护计划。这项研究利用了来自 16 个本土鸡种、红色丛林鸡和商业白羽肉鸡的 180 个鸡样本的全基因组序列。 经过严格筛选,选出了 76 978 个全基因组单核苷酸多态性(SNP)面板用于比较基因组分析。来自印度东部地区的品种表现出较高的基因组多样性,表明其拥有丰富的独特种质资源。相反,来自北部丘陵地区的乌塔拉(Uttara)品种则表现出相当大的遗传分化,与其他品种相比,其多样性较低,这凸显了保护问题。平均系数(FIS)为 0.084,警示人们需要降低与近亲繁殖相关的风险。 研究表明,对 76 978 个全基因组 SNP 的分析将成为完善保护战略的基石,从而更精确地设计干预措施。 本研究支持红丛林鸡对所有本地品种基因库的贡献。遗传结构的分析表明,各品种之间的关系是基于地理上的邻近性,并通过不同程度的混杂而得到强调。
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Mapping genome-wide diversity and population dynamics in Indian chicken breeds for targeted conservation and breeding.

1. Genetic improvement and widespread use of artificial selection may have impacted the genetic make-up of Indian chicken breeds. The genetic architecture of contemporary chicken population of India needs to be assessed for future improvement and conservation programmes. This study utilised whole-genome sequences in 180 chicken samples from 16 indigenous breeds, along with the Red Jungle Fowl and the commercial White Leghorn.2. A panel of 76 978 genome-wide single-nucleotide polymorphisms (SNP) was selected for comparative genome analysis after stringent screening. Breeds originating from the eastern regions of India exhibited higher genomic diversity, indicative of a rich repository of distinct germplasm. Conversely, the Uttara breed, from the northern hilly areas, display considerable genetic differentiation with diminished diversity compared to others, underscoring conservation concerns. The average coefficient (FIS) of 0.084 caution the need to mitigate risks associated with inbreeding.3. The study revealed that the analysis of 76 978 genome-wide SNP will serve as a cornerstone in refining conservation strategies, to design interventions with greater precision.4. The contribution of Red Jungle Fowl to the gene pool of all native breeds was supported by this study. Genetic structuring indicated a relationship among breeds based on geographical proximity, underscored by varying levels of admixture.

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来源期刊
British Poultry Science
British Poultry Science 农林科学-奶制品与动物科学
CiteScore
3.90
自引率
5.00%
发文量
88
审稿时长
4.5 months
期刊介绍: From its first volume in 1960, British Poultry Science has been a leading international journal for poultry scientists and advisers to the poultry industry throughout the world. Over 60% of the independently refereed papers published originate outside the UK. Most typically they report the results of biological studies with an experimental approach which either make an original contribution to fundamental science or are of obvious application to the industry. Subjects which are covered include: anatomy, embryology, biochemistry, biophysics, physiology, reproduction and genetics, behaviour, microbiology, endocrinology, nutrition, environmental science, food science, feeding stuffs and feeding, management and housing welfare, breeding, hatching, poultry meat and egg yields and quality.Papers that adopt a modelling approach or describe the scientific background to new equipment or apparatus directly relevant to the industry are also published. The journal also features rapid publication of Short Communications. Summaries of papers presented at the Spring Meeting of the UK Branch of the WPSA are published in British Poultry Abstracts .
期刊最新文献
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