Fungal-Plant Symbiosis Offers a Promising Tool To Boost Crop Resilience
A species of fungus that normally grows in the wild and kills insects can be inoculated in oilseed rape plants.

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Subscribe for FREESuccessful symbiosis caused an increase in flavonoid biosynthesis
Researchers made a breakthrough by establishing an endophytic relationship between the fungus and oilseed plants. The growth of the fungus in the plant tissue triggered a remarkable increase in flavonoid biosynthesis and compounds known for multiple plant benefits including antioxidant properties.
"Our findings suggest that the interaction between the fungus and the plant spurred a positive response in the form of enhanced metabolite production, rather than a defence response against the fungal intruder,” states lead author of the study, Academy Research Fellow Benjamin Fuchs from the Biodiversity Unit of the University of Turku.
Flavonoids produced by the oilseed rape plant and renowned for their antioxidant properties and their role in UV protection, flower pigmentation, and herbivore deterrence, took centre stage in the study's results. Next, the researchers aim to find out how great of an impact this particular fungus has on plant resilience against environmental stressors and how it impacts crop quality.
Using microbes in agriculture can reduce reliance on chemical pesticides
"Our study holds immense promise for sustainable agriculture. By embracing the symbiosis between beneficial microbes and crop plants, we're ushering in a new era of agricultural practices that reduce reliance on chemical pesticides,” says Fuchs.
According to the researchers, partnerships between organisms like the one unveiled in this study offer a glimpse into the future of agriculture where society strives to secure its food supply while minimising the ecological footprint.
“With the increasing recognition of the role of microbes in plant health and advanced biotechnological tools at hand, the stage is set for innovative approaches to optimise crop resilience and quality on a smart and sustainable path,” notes Fuchs.
Reference: Muola A, Birge T, Helander M, et al. Endophytic Beauveria bassiana induces biosynthesis of flavonoids in oilseed rape following both seed inoculation and natural colonization. Pest Management Science. 2023:ps.7672. doi: 10.1002/ps.7672
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