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The impact of C. elegans coculture on DF41 biocontrol gene expression. qRT-PCR analysis was used to quantitatively assess gene expression in the presence and absence of nematodes. Expression levels in the absence of C. elegans were normalized to 1; differentially expressed genes are indicated with asterisks (*, P < 0.05; **, P < 0.001). Data shown are the means; error bars indicate SD.
