Transcriptional response of a target plant to benzoxazinoid and diterpene allelochemicals highlights commonalities in detoxification.
Transcriptional response of a target plant to benzoxazinoid and diterpene allelochemicals highlights commonalities in detoxification.
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DOI：
10.1186/s12870-022-03780-w
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发表时间：
2022-08-17
影响因子：
5.3
通讯作者：
Schandry, Niklas
中科院分区：
文献类型：
--
作者：
Knoch, Eva;Kovacs, Judit;Deiber, Sebastian;Tomita, Keisuke;Shanmuganathan, Reshi;Serra, Nuria Serra;Okada, Kazunori;Becker, Claude;Schandry, Niklas
生长在其他植物附近的植物暴露于这些邻居释放到环境中的各种代谢物。一些物种产生化感物质来抑制邻近植物的生长，而这些植物反过来又进化出了解毒这些化合物的方法。为了了解化感物质接收靶植物如何对化学上不同的化合物作出反应，我们对暴露于苯并恶嗪类衍生物2-氨基-3H-吩恶嗪-3-酮（APO）或momilactone B的拟南芥进行了全基因组转录组分析。这两种化感物质属于两个非常不同的化合物类，苯并恶嗪类和二萜类，分别由不同的禾本科作物物种产生。尽管它们具有不同的化学性质，但我们观察到A. thaliana these化感物质.特别是，许多相同的或密切相关的基因属于三阶段解毒途径在两个治疗上调。此外，我们观察到的重叠基因上调的化感物质和参与除草剂解毒。我们的研究结果突出了目标植物对天然和合成植物毒性化合物的转录反应的重叠，并说明了除草剂抗性如何通过植物-植物相互作用的途径产生。 在线版本包含补充材料，可通过10.1186/s12870-022-03780-w获得。
Plants growing in proximity to other plants are exposed to a variety of metabolites that these neighbors release into the environment. Some species produce allelochemicals to inhibit growth of neighboring plants, which in turn have evolved ways to detoxify these compounds. In order to understand how the allelochemical-receiving target plants respond to chemically diverse compounds, we performed whole-genome transcriptome analysis of Arabidopsis thaliana exposed to either the benzoxazinoid derivative 2-amino- 3H-phenoxazin-3-one (APO) or momilactone B. These two allelochemicals belong to two very different compound classes, benzoxazinoids and diterpenes, respectively, produced by different Poaceae crop species. Despite their distinct chemical nature, we observed similar molecular responses of A. thaliana to these allelochemicals. In particular, many of the same or closely related genes belonging to the three-phase detoxification pathway were upregulated in both treatments. Further, we observed an overlap between genes upregulated by allelochemicals and those involved in herbicide detoxification. Our findings highlight the overlap in the transcriptional response of a target plant to natural and synthetic phytotoxic compounds and illustrate how herbicide resistance could arise via pathways involved in plant-plant interaction. The online version contains supplementary material available at 10.1186/s12870-022-03780-w.
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