植物化学多样性是如何进化的?在一个种群遗传模型中测试五个假设

IF 8.1 1区 生物学 Q1 PLANT SCIENCES New Phytologist Pub Date : 2024-09-05 DOI:10.1111/nph.20096
Meike J. Wittmann, Andrea Bräutigam
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引用次数: 0

摘要

植物化学多样性,即植物专用代谢物的多样性,是生物多样性的一个重要方面。然而,迄今为止,很少有数学模型可以检验化学多样性如何演化的口头假说。在这里,我们建立了这样一个模型来检验五个假说的预测:"波动选择假说"、"优势逆转假说"、相互作用多样性假说、协同作用假说和筛选假说。我们建立了一个植物种群的种群遗传模型,该植物种群受到食草动物的攻击,而食草动物的出现率会随着时间的推移而波动。我们通过数学分析和基于个体的模拟对该模型进行了研究。正如 "优势逆转假说 "所预测的那样,如果赋予防御代谢物的等位基因在收益方面是显性的,而在成本方面是隐性的,那么化学多样性就可以维持。然而,即使是较小的优势变化也能维持多态性。此外,我们的研究结果支持并详细阐述了协同作用假说和相互作用多样性假说的预测,并在我们的模型能够解决的范围内支持并详细阐述了筛选假说的预测。相比之下,我们只发现了对 "波动选择假说 "的部分支持。总之,我们建立了一个灵活的模型,并对化学多样性进化的各种口头模型进行了测试。下一步,我们需要更多明确考虑代谢途径组织的机理模型。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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How does plant chemodiversity evolve? Testing five hypotheses in one population genetic model

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来源期刊
New Phytologist
New Phytologist 生物-植物科学
自引率
5.30%
发文量
728
期刊介绍: New Phytologist is an international electronic journal published 24 times a year. It is owned by the New Phytologist Foundation, a non-profit-making charitable organization dedicated to promoting plant science. The journal publishes excellent, novel, rigorous, and timely research and scholarship in plant science and its applications. The articles cover topics in five sections: Physiology & Development, Environment, Interaction, Evolution, and Transformative Plant Biotechnology. These sections encompass intracellular processes, global environmental change, and encourage cross-disciplinary approaches. The journal recognizes the use of techniques from molecular and cell biology, functional genomics, modeling, and system-based approaches in plant science. Abstracting and Indexing Information for New Phytologist includes Academic Search, AgBiotech News & Information, Agroforestry Abstracts, Biochemistry & Biophysics Citation Index, Botanical Pesticides, CAB Abstracts®, Environment Index, Global Health, and Plant Breeding Abstracts, and others.
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