首页> 外文期刊>Philosophical Transactions of the Royal Society of London, Series B. Biological Sciences >Signal pathways involved in microbe-nematode interactions provide new insights into the biocontrol of plant-parasitic nematodes
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Signal pathways involved in microbe-nematode interactions provide new insights into the biocontrol of plant-parasitic nematodes

机译:Microbe-Nematode相互作用中涉及的信号途径为植物寄生线虫的生物控制提供了新的见解

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摘要

Plant-parasitic nematodes (PPNs) cause severe damage to agricultural crops worldwide. As most chemical nematicides have negative environmental side effects, there is a pressing need for developing efficient biocontrol methods. Nematophagous microbes, the natural enemies of nematodes, are potential biocontrol agents against PPNs. These natural enemies include both bacteria and fungi and they use diverse methods to infect and kill nematodes. For instance, nematode-trapping fungi can sense host signals and produce special trapping devices to capture nematodes, whereas endo-parasitic fungi can kill nematodes by spore adhesion and invasive growth to break the nematode cuticle. By contrast, nematophagous bacteria can secrete virulence factors to kill nematodes. In addition, some bacteria can mobilize nematode-trapping fungi to kill nematodes. In response, nematodes can also sense and defend against the microbial pathogens using strategies such as producing antimicrobial peptides regulated by the innate immunity system. Recent progresses in our understanding of the signal pathways involved in microbe-nematode interactions are providing new insights in developing efficient biological control strategies against PPNs.
机译:植物 - 寄生线虫(PPN)对全球农作物造成严重损害。随着大多数化学境征具有负环保副作用,需要进行高效的生物控制方法。 Nematophagous Microbes,Nematodes的天然敌人是针对PPN的潜在的生物防治剂。这些天然敌人包括细菌和真菌,它们使用不同的方法来感染和杀死线虫。例如,Nematode诱捕的真菌可以感测主机信号并产生特殊的诱捕装置以捕获线虫,而肠寄生真菌可以通过孢子粘附和侵入性生长来杀死线虫以破坏线虫角质层。相比之下,Nematophagous细菌可以分泌毒力因子来杀死线虫。此外,一些细菌可以动员线虫捕获真菌来杀死线虫。作为回应,线虫还可以使用诸如产生先天免疫系统调节的抗微生物肽的策略来感测和防御微生物病原体。我们对涉及Microbe-Nematode相互作用中涉及的信号途径的最新进展是在开发对PPN的有效生物控制策略方面提供新的见解。

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