Genetic perspectives on crop domestication.

Genetic perspectives on crop domestication.
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DOI:
10.1016/j.tplants.2010.05.008
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发表时间:
2010-09
影响因子:
20.5
通讯作者:
Olsen, Kenneth M.
Olsen, Kenneth M.
中科院分区:
生物学1区
文献类型:
--
作者:
Gross, Briana L.;Olsen, Kenneth M.

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长期以来,作物驯化过程一直是生物学家、人类学家和其他人积极研究的主题。遗传数据已被证明是一种强大的资源,可以用来推断作物的地理起源、特定作物物种的独立驯化事件的数量、驯化性状背后的特定分子变化,以及驯化和随后作物改良过程中人工选择的性质。我们会争辩说,这些遗传推断与最近的考古数据基本一致,这些数据支持驯化是一个地理上分散的、渐进的过程的观点。在这篇综述中,我们综述了从QTL定位到重测序在作物进化遗传分析中的应用方法。我们还重点介绍了关于作物驯化的时间和空间模式以及驯化、多样化和改良特性的独特遗传基础的最新重大见解。
The process of crop domestication has long been a topic of active research for biologists, anthropologists and others. Genetic data have proved a powerful resource for drawing inferences on questions regarding the geographical origins of crops, the numbers of independent domestication events for a given crop species, the specific molecular changes underlying domestication traits, and the nature of artificial selection during domestication and subsequent crop improvement. We would argue that these genetic inferences are fundamentally compatible with recent archaeological data that support a view of domestication as a geographically diffuse, gradual process. In this review, we summarize methodologies ranging from QTL mapping to resequencing used in genetic analyses of crop evolution. We also highlight recent major insights regarding the timing and spatial patterning of crop domestication and the distinct genetic underpinnings of domestication, diversification, and improvement traits.
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