线虫-番茄植物-菌根真菌系统用于生物产品开发的综合分析

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS
Sebastián Andrés Garita, Valeria Fernanda Bernardo, Matías González, María Cecilia Arango, Marcela Ruscitti
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引用次数: 0

摘要

Nacobbus aberrans 是一种植物寄生线虫,给美洲大陆造成了巨大的经济损失,在许多国家被视为检疫害虫。一些丛枝菌根真菌已显示出减少这种病原体数量的能力;然而,大多数研究并没有考虑与作物或真菌有关的其他相关方面。这项工作的目的是在全面分析线虫-植物-菌根真菌系统的基础上,选择一种分离的菌根真菌。试验是在盆栽番茄(Solanum lycopersicum L.)上进行的。被评估的分离菌株是 Funneliformis mosseae、Rhizoglomus intraradices A2 和 Rhizoglomus intraradices B1。所有分离物都显著减少了线虫数量,但光合色素、可溶性蛋白质和渗透调节代谢物的含量存在差异。所有这些都会影响不同处理的光合速率。根内真菌的生长和真菌结构的活力也存在差异。通过对植物-线虫-真菌组的综合分析,我们可以得出结论:具有最大能力补偿寄生的负面影响,并且最有可能作为生物控制剂长期存在的分离物是莫西菌。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Comprehensive analysis of Nematode–Tomato Plant–Mycorrhizal Fungus system for bio based product development

Comprehensive analysis of Nematode–Tomato Plant–Mycorrhizal Fungus system for bio based product development

Nacobbus aberrans is a plant parasitic nematode that causes significant economic losses in the American Continent and is considered a quarantine pest in many countries. Some arbuscular mycorrhizal fungi have shown the ability to reduce the population of this pathogen; however, most studies do not consider other relevant aspects that have to do with the crop or the fungus. The purpose of this work was to select an isolated mycorrhizal fungus based on a comprehensive analysis of the Nematode–Plant–Mycorrhizal Fungus system. The test was conducted on Solanum lycopersicum L. grown in pots. The evaluated isolates were Funneliformis mosseae, Rhizoglomus intraradices A2, and Rhizoglomus intraradices B1. All the isolates reduced the nematode population significantly; however, differences in the content of photosynthetic pigments, soluble proteins, and osmoregulatory metabolites were identified. All of these impacted on the photosynthetic rates of the different treatments. There were also differences in the growth of the fungi within the roots, and in the viability of the fungal structures. The comprehensive analysis of the plant–nematode–fungus group allows us to conclude that the isolate with the greatest capacity to compensate for the negative effect of parasitism, and with the greatest possibility of lasting as a biocontrol agent is Funneliformis mosseae.

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来源期刊
ACS Applied Bio Materials
ACS Applied Bio Materials Chemistry-Chemistry (all)
CiteScore
9.40
自引率
2.10%
发文量
464
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