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Daily Potato Research (2026-10-28)

Truncating leguminous fixation and post-harvest scavenging: Two pathways for reducing nitrate leaching in potato rotations.

Journal of environmental quality | 2026

This study evaluates agronomic strategies to mitigate nitrate leaching in potato-based crop rotations. By implementing mid-season cover cropping and post-harvest scavenging, the research provides practical management frameworks for improving the environmental sustainability of commercial potato production.

Correction: Conserved RXLR effector genes of Phytophthora infestans expressed at the early stage of potato infection are suppressive to host defense.

Frontiers in plant science | 2026

This paper addresses the role of conserved RXLR effector genes in Phytophthora infestans, the pathogen responsible for late blight in potatoes. It identifies how these specific effectors function to suppress host defense mechanisms during the early stages of potato infection.

StSIRT1 regulates potato dormancy through deacetylation of peroxidase-like 3 at K37.

Science advances | 2026-Oct-30

This study identifies that the lysine deacetylase StSIRT1 promotes potato tuber dormancy release by directly interacting with and deacetylating peroxidase StPRX3 at lysine-37 (K37). This deacetylation suppresses StPRX3 activity and alters hydrogen peroxide-scavenging capacity, uncovering a novel posttranslational modification mechanism controlling dormancy.

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