Rangasai Chandra Goli , Nidhi Sukhija , Pallavi Rathi , Kiyevi G. Chishi , Subrata Koloi , Anoop Anand Malik , Chandana Sree C , P.B. Purohit , Mahantesh Shetkar , Kanaka K K
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引用次数: 0
摘要
鸡种/种群的遗传组成和多样性是通过选择性育种和管理实践形成的。了解鸡种的遗传多样性可为育种策略和保护重点提供信息，并改善后代的理想性状。评估本土鸡种和外来鸡种之间的遗传多样性有助于深入了解选择性育种和/或杂交育种的益处。各种研究都对本土鸡种的遗传多样性指标进行了调查。标记是研究多样性的核心，其中基于 DNA 的标记因其多态性、共显性和易于基因分型而被证明比基于蛋白质的标记更有效。在印度目前注册的 19 个不同鸡种中，本土的 Aseel 和 Kadaknath 鸡种具有更多独特的特征。由不同研究机构开发的合成鸡种在体貌特征上表现出差异，在蛋壳颜色和肉质方面与本地鸡种非常相似。总体而言，鸡是一个重要的物种，因为它具有重要的经济价值，繁殖周期短，繁殖力强。本综述将探讨印度鸡种遗传多样性的各个方面。
Unraveling the genetic tapestry of Indian chicken: A comprehensive study of molecular variations and diversity
The genetic composition and diversity of chicken breeds/populations have been shaped through selective breeding and management practices. Understanding the genetic diversity of chicken breeds can inform breeding strategies and conservation priorities as well as improve desirable traits in offspring. Assessing genetic diversity between indigenous and exotic breeds provides insights into the benefits of selective breeding and/or crossbreeding. Various studies have investigated genetic diversity indicators in indigenous chicken breeds. Markers are central to study diversity, among them DNA-based markers have proven to be more effective than protein-based markers due to their polymorphism, codominance, and ease of genotyping. Among the 19 diverse chicken breeds currently registered in India, the indigenous Aseel and Kadaknath breeds have more peculiar distinctive characteristics. Synthetic chicken breeds developed by various research organizations exhibit variations in physical features and closely resemble native breeds in terms of eggshell color and meat quality. Overall, chicken is a significant species, because of its economic importance, short reproductive cycle and high fertility. This review shall deal with various aspects of genetic diversity explored in chicken breeds in Indian context.
期刊介绍：
Ecological Genetics and Genomics publishes ecological studies of broad interest that provide significant insight into ecological interactions or/ and species diversification. New data in these areas are published as research papers, or methods and resource reports that provide novel information on technologies or tools that will be of interest to a broad readership. Complete data sets are shared where appropriate. The journal also provides Reviews, and Perspectives articles, which present commentary on the latest advances published both here and elsewhere, placing such progress in its broader biological context. Topics include: -metagenomics -population genetics/genomics -evolutionary ecology -conservation and molecular adaptation -speciation genetics -environmental and marine genomics -ecological simulation -genomic divergence of organisms
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