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Daily Potato Research (2026-04-20)

CCAP receptor 2, rather than CCAPR1, functions in pupal ecdysis in the 28-spotted larger potato ladybird.

Insect science | 2026-Apr-20

This study investigates the functional roles of two crustacean cardioactive peptide receptors (CCAPR) in the 28-spotted larger potato ladybird (Henosepilachna vigintioctomaculata), a significant potato pest. The research identifies that CCAPR2 is the primary receptor coordinating pupal ecdysis, providing potential genetic targets for controlling this defoliating insect in potato crops.

A beneficial endornavirus enhances the fitness of the phytopathogenic fungus Rhizotonia solani.

mBio | 2026-Apr-20

This study identifies a beneficial endornavirus (RsEV-IM) in Rhizoctonia solani isolates collected from potato plants that significantly enhances fungal virulence and fitness. The virus increases the secretion of cell wall-degrading enzymes and improves stress tolerance, providing key insights into the pathological mechanisms of a major potato pathogen.

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An AI-powered Knowledge Hub for Potato Functional Genomics, Plant Commun., 10.1016/j.xplc.2026.101730