Development of a Real-Time PCR Assay to Detect the Kiwifruit Pathogen Pectobacterium actinidiae

Pectobacterium actinidiae is a significant kiwifruit canker pathogen reported from kiwifruit-growing areas in Asia and South America. To improve the diagnostic capability for this bacterium, a probe-based real-time PCR assay was developed for sensitive and fast detection of P. actinidiae. The highly...

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Veröffentlicht in:Plant disease. - 1997. - 109(2025), 8 vom: 13. Aug., Seite 1683-1689
1. Verfasser: Lee, Hui Wen (VerfasserIn)
Weitere Verfasser: Visnovsky, Sandra B, Panda, Preeti, Hernandez, Loreto, Pitman, Andrew, Toome, Merje
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2025
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article Actinidia chinensis Pectobacterium carotovorum pv. actinidiae bacterial canker biosecurity fruit pathogen detection prokaryotes summer canker
Beschreibung
Zusammenfassung:Pectobacterium actinidiae is a significant kiwifruit canker pathogen reported from kiwifruit-growing areas in Asia and South America. To improve the diagnostic capability for this bacterium, a probe-based real-time PCR assay was developed for sensitive and fast detection of P. actinidiae. The highly specific assay targets the meta-pathway phenol degradation protein-like locus, unique to P. actinidiae. Validation showed that the assay is highly sensitive, detecting the pathogen down to 0.1 pg of pure genomic DNA or 10 to 50 colony-forming units in plant tissue matrix. To assess the competency of the tested DNA samples and avoid false-negative results, the assay was duplexed with plant internal control. This new method provides a valuable tool for specific and sensitive testing of imported and exported plant material to ensure freedom from P. actinidiae and prevent the spread of this pathogen into new areas.[Formula: see text] Copyright © 2025 The Author(s). This is an open access article distributed under the CC BY-NC-ND 4.0 International license
Beschreibung:Date Completed 01.09.2025
Date Revised 01.09.2025
published: Print-Electronic
Citation Status MEDLINE
ISSN:0191-2917
DOI:10.1094/PDIS-05-24-1092-RE