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Complete circularized genome resources for Xylella fastidiosa subsp. sandyi strains CO33 and CFBP8478

Authors: María Pilar Velasco-Amo, Luis F. Arias-Giraldo, Miguel Román-Écija, Annalisa Giampetruzzi, Maria Saponari, and Blanca B. Landa
Date Published: 04/03/2024
Via: APS Publications
Keywords: Epidemiology | Genomic

Abstract

Xylella fastidiosa (Xf) is a vascular phytopathogenic bacterium native to the Americas, known for causing severe diseases and significant economic losses in important crops. In Europe, Xf is considered a quarantine pathogen. Since its first detection in 2013 in Italy, mandatory surveys to search for Xf across Europe revealed the presence of three Xf subspecies (fastidiosa, multiplex and pauca) in different outbreaks occurring in France, Spain, and Portugal. Xf subspecies sandyi and morus have not been associated to epidemic outbreaks in Europe; however, subspecies sandyi has been detected in intercepted plants imported from Costa Rica and Honduras. By combining data from the Oxford Nanopore Technologies and Illumina sequencing platforms, we obtained complete genomes for Xf strains CO33 and CFBP8478. Both strains belong to the subspecies sandyi and were isolated from coffee plants intercepted in Europe that were imported from Costa Rica. These two genome resources increase the scarce number of Xf genomes available belonging to the subspecies sandyi which is crucial for comparative genomic analysis and population studies of this important plant pathogenic bacterium.

European Xylella fastidiosa strains can cause symptoms in blueberry

Authors: Deepak Shantharaj, Miguel Román-Écija, María Del Pilar Velasco Amo, Juan A. Navas-Cortés, Blanca Beatriz Landa del Castillo, and Leonardo De La Fuente

Date: 07/07/24

Strains of the bacterial pathogen Xylella fastidiosa subspecies multiplex (Xfm) and pauca (Xfp) isolated from symptomatic almond and olive plants in Spain and Italy were used in this study. Due to the risk of host jump and considering the importance of southern...

Performance of outbreak management plans for emerging plant diseases: the case of almond leaf scorch caused by Xylella fastidiosa in mainland Spain

Authors: Martina Cendoya, Elena Lázaro, Ana Navarro-Quiles, Antonio López-Quílez, David Conesa, and Antonio Vicent

Date: 13/07/24

Outbreak response to quarantine pathogens and pests in the European Union (EU) is regulated by the EU Plant Health Law, but the performance of outbreak management plans in terms of their effectiveness and efficiency has been quantified only to a limited extent. As a...