Researchers discovered that mycoviruses, or oomycete viruses, can increase the sensitivity of plant pathogenic oomycete to fungicides like metalaxyl. Their findings suggest greater potential for mycoviruses in biocontrol and contributing to sustainable agriculture.
As detrimental as viruses may sound, they can be helping hands for farmers when it comes to dealing with plant pathogens.can increase the latter's sensitivity to specific fungicides. Their findings could lead to innovative approaches for controlling plant diseases, reducing reliance on chemical treatments, and minimizing agricultural loss.Mycoviruses, or fungal viruses, infect fungi as well as fungus-like organisms such as oomycetes.
"Since mycoviruses may significantly impact the ecology of oomycetes, we found it crucial to study their effects at both the phenotypic and gene expression levels," said Tomofumi Mochizuki, an associate professor at the Graduate School of Agriculture of Osaka Metropolitan University and corresponding author of this study., a major soil-borne oomycete responsible for damping-off and root rot in many plant species.
"Our results indicate that mycoviral infections alter the sensitivity of the host oomycete to fungicides," said Aika Higuchi, a master's student and this study's first author. "Our research shows that the effects of viral infection on host oomycete can only be seen under certain conditions," Mochizuki said."Even if it seems that viral infection has no effect at first glance, it is necessary to analyze it from various perspectives."Fungicides used to prolong shelf life of fruits may select for pathogenic yeasts and boost transmission. Those pathogens include Candida auris, a drug-resistant pathogenic yeast found in stored ...
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