菊科植物的功能性状随丛枝菌根真菌的特性和系统发育而变化。

IF 3.8 2区 生物学 Q2 MYCOLOGY
Cem Turanoglu, Héloïse Ancel, Cécile Le Lann, Joan Van Baaren, Ophélie Bazin, Stéphane Declerck, Florian Fort, Thierry Fontaine Breton, Philippe Vandenkoornhuyse, Cendrine Mony
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引用次数: 0

摘要

植物与丛枝菌根真菌(AM)密切相互作用。它们将光合产物分配给AM真菌以换取营养,从而影响植物的适应性。虽然植物表型是由多种性状的权衡决定的,但AM真菌对植物的影响通常是用一种性状来研究的。因此,需要利用多种性状分析植物对AM真菌的反应。采用因子设计在温室中接种4种菊科植物10株AM真菌。研究了AM真菌接种及其分类特性对植物营养和生殖性状的影响。基于AM真菌系统发育亲缘性评估了效果的可预测性。接种的效果取决于所考虑的性状。与未接种对照相比,AM真菌或植株对根系的生物量分配减少,而对芽部或繁殖的生物量分配增加。无论是在单独的性状、营养生长或生殖生长之间的权衡,还是在性状综合征方面,所使用的AM真菌接种物之间都观察到显著的差异。在Centaurea cyanus中,植物表型的变化与AM真菌之间的系统发育距离有关。这些结果强调了使用多性状方法来了解AM真菌对植物表型的影响的重要性。根据全息生物概念,这种相互作用的结果取决于宿主植物和AM真菌。它有助于更好地理解形成反应规范的生物效应(即给定寄主基因型的表型变异范围)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Functional traits of Asteraceae species vary with arbuscular mycorrhizal fungal identity and phylogeny.

Plants interact closely with arbuscular mycorrhizal (AM) fungi. They allocate photosynthates to AM fungi in exchange for nutrients, thereby influencing plant fitness. Although plant phenotypes result from multiple traits constrained by trade-offs, the effects of AM fungi on plants are often studied using one trait. Plant response to AM fungi therefore needs to be analysed using multiple traits. Four Asteraceae species were inoculated with ten AM fungal strains using a factorial design in the greenhouse. The effect of AM fungal inoculation and their taxonomic identity on plants vegetative and reproductive traits were assessed. The predictability of the effects was evaluated based on AM fungal phylogenetic relatedness. The effect of the inoculation depended on the trait considered. Compared with the non-inoculated control, biomass allocation to roots decreased, while allocations to shoots or reproduction increased depending on the AM fungi or the plant. Significant differences were observed among AM fungi inoculates used, whether looking at separate traits, trade-offs between vegetative or reproductive growth, and the trait syndrome. In Centaurea cyanus, changes in plant phenotype were associated with the phylogenetic distance between AM fungi. These results underline the importance of using multi-trait approaches to understand AM fungal effects on plant phenotype. In accordance with the holobiont concept, the outcomes of this interaction depended on both the host plant and the AM fungus involved. It contributes to a better understanding of the biological effectors shaping the reaction norm (i.e., the range of phenotypic variation of a given host genotype) within the plant holobiont.

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来源期刊
Mycorrhiza
Mycorrhiza 生物-真菌学
CiteScore
8.20
自引率
2.60%
发文量
40
审稿时长
6-12 weeks
期刊介绍: Mycorrhiza is an international journal devoted to research into mycorrhizas - the widest symbioses in nature, involving plants and a range of soil fungi world-wide. The scope of Mycorrhiza covers all aspects of research into mycorrhizas, including molecular biology of the plants and fungi, fungal systematics, development and structure of mycorrhizas, and effects on plant physiology, productivity, reproduction and disease resistance. The scope also includes interactions between mycorrhizal fungi and other soil organisms and effects of mycorrhizas on plant biodiversity and ecosystem structure. Mycorrhiza contains original papers, short notes and review articles, along with commentaries and news items. It forms a platform for new concepts and discussions, and is a basis for a truly international forum of mycorrhizologists from all over the world.
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