微生物组的存在降低了水生植物小菜的适合度并改变了表型。

IF 2.6 3区 生物学 Q2 ECOLOGY
AoB Plants Pub Date : 2023-07-01 DOI:10.1093/aobpla/plad026
Mark Davidson Jewell, Sofia J van Moorsel, Graham Bell
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引用次数: 5

摘要

植物与栖息在其生长环境中的微生物密切相关。最近的许多工作旨在描述这些植物与微生物组的相互作用,确定那些促进生长的关联。尽管大多数研究都集中在陆生植物上,但漂浮的水生被子植物lena minor越来越多地被用作宿主-微生物相互作用的模型,许多细菌关联已被证明在支持植物适应性方面发挥重要作用。然而,这些相互作用的普遍性和稳定性以及它们对特定非生物环境条件的依赖性仍不清楚。在这里,我们通过分析八个自然地点的植物,在一系列非生物环境条件下,评估了一个完整的L. minor微生物组对植物适应性和表型的影响,包括有和没有微生物组。我们发现微生物组系统地抑制了植物的适合度,尽管这种影响的程度因植物基因型而异,并取决于非生物环境。微生物组的存在也导致表型变化,植物形成更小的菌落,产生更小的叶子和更短的根。当去除微生物组时,植物基因型之间的表型差异减少,基因型受环境相互作用的影响也减少,这表明微生物组在介导植物对环境的表型反应中起作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Presence of microbiome decreases fitness and modifies phenotype in the aquatic plant <i>Lemna minor</i>.

Presence of microbiome decreases fitness and modifies phenotype in the aquatic plant <i>Lemna minor</i>.

Presence of microbiome decreases fitness and modifies phenotype in the aquatic plant <i>Lemna minor</i>.

Presence of microbiome decreases fitness and modifies phenotype in the aquatic plant Lemna minor.

Plants live in close association with microbial organisms that inhabit the environment in which they grow. Much recent work has aimed to characterize these plant-microbiome interactions, identifying those associations that increase growth. Although most work has focused on terrestrial plants, Lemna minor, a floating aquatic angiosperm, is increasingly used as a model in host-microbe interactions and many bacterial associations have been shown to play an important role in supporting plant fitness. However, the ubiquity and stability of these interactions as well as their dependence on specific abiotic environmental conditions remain unclear. Here, we assess the impact of a full L. minor microbiome on plant fitness and phenotype by assaying plants from eight natural sites, with and without their microbiomes, over a range of abiotic environmental conditions. We find that the microbiome systematically suppressed plant fitness, although the magnitude of this effect varied among plant genotypes and depended on the abiotic environment. Presence of the microbiome also resulted in phenotypic changes, with plants forming smaller colonies and producing smaller fronds and shorter roots. Differences in phenotype among plant genotypes were reduced when the microbiome was removed, as were genotype by environment interactions, suggesting that the microbiome plays a role in mediating the plant phenotypic response to the environment.

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来源期刊
AoB Plants
AoB Plants PLANT SCIENCES-
CiteScore
4.80
自引率
0.00%
发文量
54
审稿时长
20 weeks
期刊介绍: AoB PLANTS is an open-access, online journal that has been publishing peer-reviewed articles since 2010, with an emphasis on all aspects of environmental and evolutionary plant biology. Published by Oxford University Press, this journal is dedicated to rapid publication of research articles, reviews, commentaries and short communications. The taxonomic scope of the journal spans the full gamut of vascular and non-vascular plants, as well as other taxa that impact these organisms. AoB PLANTS provides a fast-track pathway for publishing high-quality research in an open-access environment, where papers are available online to anyone, anywhere free of charge.
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