Retrospective survey of using a novel validated real-time PCR assay.
Journal:
Frontiers in microbiology
Published Date:
Feb 13, 2024
Abstract
, an aggressive plant pathogen, causes symptoms on a variety of crops and ornamental plants including bleeding canker of Asian pear trees. Historical findings stress the need for a specific detection tool for to prevent overlooking the pathogen or assigning it to general spp. Therefore, a qualitative real-time PCR for specific detection of has been developed and validated. The developed assay shows selectivity of 100%, diagnostic sensitivity of 76% and limit of detection with 95% confidence interval in plant matrices ranging from 311 to 2,275 cells/mL of plant extracts. The assay was successfully used in a retrospective survey of selected host plants of relevance to Europe and environmental niches relevant to . Samples of potato tubers and plants, plants from the subtribe (apple, pear, quince, and Asian pear tree) and fresh surface water from Slovenia were analyzed. was not detected in any plant samples, however, 12% of surface water samples were found to be positive.
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