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Daily Potato Research (2026-05-28)

Characterization, comparative genomics, and metabolome analysis of Streptomyces tuberiscabiei sp. nov., a novel actinomycete causing potato scab disease in Long Khot, Chiang Mai Province, Thailand.

Systematic and applied microbiology | 2026-May-22

This paper identifies and characterizes *Streptomyces tuberiscabiei* sp. nov., a novel pathogenic actinomycete species causing potato scab disease in Thailand. Through comparative genomics and phenotypic analyses, the study confirms the strains' pathogenicity, which includes inducing necrosis and scab lesions on potato tubers. These findings contribute to the genomic and taxonomic understanding of potato scab pathogens.

Functional potential of the APETALA2 transcription factors StAP2-13/18 in modulating tuberization under long-day (LD) conditions in potato.

BMC genomics | 2026-May-27

This study identifies and characterizes 18 APETALA2 (StAP2) transcription factors in potato (Solanum tuberosum), focusing on the roles of StAP2-13 and StAP2-18 in tuberization. These two transcription factors interact with the key regulator StCDF1 and directly activate the promoter of the tuber-inducing gene StSP6A. Furthermore, transgenic overexpression of StAP2-13 or StAP2-18 successfully promotes tuber initiation under unfavorable long-day conditions, offering promising targets for genetic breeding.

Structure guided development of phenoxyethanol based N-aryloxyethyl heterocycles for the control of Phytophthora infestans.

Pest management science | 2026-May-27

This study describes the design and synthesis of N-aryloxyethyl heterocycles as novel fungicides to control Phytophthora infestans, the causal agent of late blight in potatoes and tomatoes. The lead compound, 8c, demonstrated high anti-oomycete activity and efficacy by disrupting mitochondrial energy metabolism and membrane integrity in the pathogen.

Assessment of Potato Postharvest Loss in Awi and South Gondar Zones, Amhara Region, Ethiopia.

International journal of food science | 2026

This study evaluates postharvest losses of potatoes in Ethiopia, identifying storage as the stage with the highest loss levels. It also examines the use of specific cultivars, such as 'Gudene', for seed storage and compares traditional and contemporary storage systems.

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