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Dynamics of plant responses to combinations of air pollutants.
Plant Biology ( IF 3.9 ) Pub Date : 2019-01-25 , DOI: 10.1111/plb.12953
S Papazian 1 , J D Blande 2
Affiliation  

The focus of this review is on how plants respond to combinations of multiple air pollutants. Global pollution trends, plant physiological responses and ecological perspectives in natural and agricultural systems are all discussed. In particular, we highlight the importance of studying sequential or simultaneous exposure of plants to pollutants, rather than exposure to individual pollutants in isolation, and explore how these responses may interfere with the way plants interact with their biotic community. Air pollutants can alter the normal physiology and metabolic functioning of plants. Here we describe how the phenotypic and molecular changes in response to multiple pollutants can differ compared to those elicited by single pollutants, and how different responses have been observed between plants in the field and in controlled laboratory conditions and between trees and crop plants. From an ecological perspective, we discuss how air pollution can result in greater susceptibility to biotic stressors and in direct or indirect effects on interactions with organisms that occupy higher trophic levels. Finally, we provide an overview of the potential uses of plants to mitigate air pollution, exploring the feasibility for pollution removal via the processes of bio-accumulation and phytoremediation. We conclude by proposing some new directions for future research in the field.

中文翻译:

植物对空气污染物组合的反应动力学。

这篇综述的重点是植物如何应对多种空气污染物的组合。讨论了自然和农业系统中的全球污染趋势,植物生理反应和生态观点。特别是,我们强调研究连续或同时暴露于污染物的植物的重要性,而不是孤立地暴露于单个污染物的重要性,并探讨这些反应如何可能干扰植物与其生物群落相互作用的方式。空气污染物可以改变植物的正常生理和代谢功能。在这里,我们描述了与多种污染物引起的响应相比,多种污染物响应的表型和分子变化如何不同,以及如何在田间,受控实验室条件下的植物之间以及树木与农作物之间观察到不同的响应。从生态学的角度,我们讨论了空气污染如何导致对生物应激源的更大敏感性以及对与营养水平较高的生物之间的相互作用的直接或间接影响。最后,我们概述了植物减轻空气污染的潜在用途,探讨了通过生物富集和植物修复过程去除污染的可行性。最后,我们为该领域的未来研究提出了一些新的方向。我们讨论了空气污染如何导致对生物应激源的更大敏感性,以及对与营养水平较高的生物之间相互作用的直接或间接影响。最后,我们概述了植物减轻空气污染的潜在用途,探讨了通过生物富集和植物修复过程去除污染的可行性。最后,我们为该领域的未来研究提出了一些新的方向。我们讨论了空气污染如何导致对生物应激源的更大敏感性,以及对与营养水平较高的生物之间相互作用的直接或间接影响。最后,我们概述了植物减轻空气污染的潜在用途,探讨了通过生物富集和植物修复过程去除污染的可行性。最后,我们为该领域的未来研究提出了一些新的方向。
更新日期:2019-01-25
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