Abstract:
Natural fibers derived from diverse animal species have gained increased attention in recent years due to their favorable environmental effects, long-term sustainability benefits, and remarkable physical and mechanical properties that make them valuable raw materials used for textile and non-textile production. Domestication and selective breeding for the economically significant fiber traits play an imperative role in shaping the genomes and, thus, positively impact the overall productivity of the various fiber-producing species. These selection pressures leave unique footprints on the genome due to alteration in the allelic frequencies at specific loci, characterizing selective sweeps. Recent advances in genomics have enabled the discovery of selection signatures across the genome using a variety of methods. The increased demand for \'green products\' manufactured from natural fibers necessitates a detailed investigation of the genomes of the various fiber-producing plant and animal species to identify the candidate genes associated with important fiber attributes such as fiber diameter/fineness, color, length, and strength, among others. The objective of this review is to present a comprehensive overview of the concept of selection signature and selective sweeps, discuss the main methods used for its detection, and address the selection signature studies conducted so far in the diverse fiber-producing animal species.
摘要:
近年来,来自不同动物物种的天然纤维由于其有利的环境影响而受到越来越多的关注。长期可持续发展的好处,和显着的物理和机械性能,使他们成为宝贵的原材料用于纺织和非纺织生产。驯化和选择性育种的经济上有意义的纤维性状在塑造基因组中起着至关重要的作用,因此,积极影响各种纤维生产物种的整体生产力。由于特定基因座等位基因频率的改变,这些选择压力在基因组上留下了独特的足迹,表征选择性扫描。基因组学的最新进展使得能够使用多种方法发现整个基因组的选择特征。对由天然纤维制成的“绿色产品”的需求增加,需要对各种生产纤维的植物和动物物种的基因组进行详细调查,以确定与重要纤维属性(如纤维直径/细度)相关的候选基因。颜色,长度,和力量,在其他人中。这篇综述的目的是对选择签名和选择性扫描的概念进行全面概述,讨论其检测的主要方法,并解决了迄今为止在多种纤维生产动物物种中进行的选择签名研究。