Host genotype-specific rhizosphere protists associate soil-borne viral disease resistance in wheat

IF 3.9 2区 农林科学 Q1 AGRONOMY
Chuanfa Wu, Zhechang Mei, Haoqing Zhang, Jianping Chen, Jian Yang, Tida Ge, Peng Cai
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引用次数: 0

Abstract

Purpose

The importance of protists in plant growth and health has already been widely studied. However, protists are rarely associated with soil-borne viral disease and how plant genotype can affect these interactions.

Methods

Here, we investigated rhizosphere protists linked with wheat yellow mosaic disease resistance and susceptibility in cultivars during the wheat seedling to the jointing stages of plant growth.

Results

Our results showed that disease-resistant wheat cultivars exhibited significantly lower infection rates under field conditions, which were associated with higher protistan diversity and stability during early plant development. Furthermore, disease-resistant cultivars exhibited higher relative abundance of predatory protists, such as Colpodida, Litostomatea, and Oligohymenophorea, which may support plant health and disease resistance during the seedling to jointing stages. Moreover, our results demonstrate that the protistan compositional stability at the seedling stage can predict wheat health and pathogen susceptibility.

Conclusion

These findings highlight the potential of manipulating the abundance and composition of seedling-stage protists to enhance plant disease resistance. Our findings provide novel insights into protist dynamics influenced by host traits and their implications for disease resistance and plant health, thereby offering potential strategies for agricultural biocontrol and disease management.

寄主基因型特异性根际原生生物与小麦土传病毒病抗性相关
目的原生生物在植物生长和健康中的重要性已被广泛研究。然而,原生生物很少与土壤传播的病毒疾病有关,以及植物基因型如何影响这些相互作用。方法对小麦苗期至拔节期与小麦黄花叶病抗性和易感性相关的根际原生生物进行了研究。结果在田间条件下,抗病小麦品种的侵染率明显降低,这与植株发育早期原菌多样性和稳定性较高有关。此外,抗病品种具有较高的掠夺性原生生物(如Colpodida、Litostomatea和oligohymehorea)的相对丰度,这可能有助于植株从幼苗到拔节期的健康和抗病能力。此外,我们的研究结果表明,苗期原菌组成的稳定性可以预测小麦的健康状况和对病原体的敏感性。结论通过调控苗期原生生物的丰度和组成,可以提高植物的抗病性。我们的研究结果为了解受寄主性状影响的原生生物动力学及其对植物抗病和健康的影响提供了新的见解,从而为农业生物防治和疾病管理提供了潜在的策略。
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来源期刊
Plant and Soil
Plant and Soil 农林科学-农艺学
CiteScore
8.20
自引率
8.20%
发文量
543
审稿时长
2.5 months
期刊介绍: Plant and Soil publishes original papers and review articles exploring the interface of plant biology and soil sciences, and that enhance our mechanistic understanding of plant-soil interactions. We focus on the interface of plant biology and soil sciences, and seek those manuscripts with a strong mechanistic component which develop and test hypotheses aimed at understanding underlying mechanisms of plant-soil interactions. Manuscripts can include both fundamental and applied aspects of mineral nutrition, plant water relations, symbiotic and pathogenic plant-microbe interactions, root anatomy and morphology, soil biology, ecology, agrochemistry and agrophysics, as long as they are hypothesis-driven and enhance our mechanistic understanding. Articles including a major molecular or modelling component also fall within the scope of the journal. All contributions appear in the English language, with consistent spelling, using either American or British English.
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