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首页> 外文期刊>Trends in Plant Science >Virtual plants: modelling as a tool for the genomics of tolerance to water deficit
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Virtual plants: modelling as a tool for the genomics of tolerance to water deficit

机译:虚拟植物:建模作为耐缺水基因组学的工具

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摘要

Modelling can simulate the responses of virtual plants carrying diverse combinations of alleles under different scenarios of abiotic stress. The main difficulty is mathematically expressing the genetic variability of responses to environmental conditions. Modelling via gene regulatory networks is not feasible for such complex systems, but plants can be modelled using response curves to environmental conditions that are 'meta mechanisms' at plant level. Each genotype is represented by a set of response parameters that are valid under a wide range of conditions. Transgenesis of one function experimentally affected one response parameter only. Transgenic plants or plants carrying any combination of quantitative trait loci might therefore be simulated and tested under different climatic scenarios, before genetic manipulations are performed.
机译:建模可以模拟在非生物胁迫的不同情况下携带等位基因的各种组合的虚拟植物的响应。主要困难是用数学方法表达对环境条件反应的遗传变异性。对于这种复杂的系统,通过基因调控网络进行建模是不可行的,但是可以使用对环境条件的响应曲线来对植物进行建模,这些响应条件是植物层面的“元机制”。每个基因型由一组在广泛条件下有效的响应参数表示。一种功能的转基因实验仅影响一个响应参数。因此,在进行基因操作之前,可以在不同的气候情景下模拟和测试转基因植物或携带任何数量性状基因座组合的植物。

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