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A high-throughput analysis of high-resolution X-ray CT images of stems of olive and citrus plants resistant and susceptible to Xylella fastidiosa

Authors: Nancy C. Walker, Siul A. Ruiz, Talita R. Ferreira, Helvecio D. Coletta-Filho, James Le Houx, Daniel McKay Fletcher, Steven M. White, Tiina Roose

Date: 27/11/23

The bacterial plant pathogen Xylella fastidiosa causes disease in several globally important crops. However, some cultivars harbour reduced bacterial loads and express few symptoms. Evidence considering plant species in isolation suggests xylem structure influences...

Bioecological traits of spittlebugs and their implications on the epidemiology and control of Xylella fastidiosa epidemic in Apulia

Authors: Nicola Bodino, Vincenzo Cavalieri, Crescenza Dongiovanni, Maria Saponari, Domenico Bosco

Date: 03/11/23

Spatial-temporal dynamics of spittlebug populations, together with transmission biology, are of major importance to outline the disease epidemiology of Xylella fastidiosa subsp. pauca in Apulian olive groves. The spread rate of X. fastidiosa is mainly influenced by...

Direct and indirect effects of two endophytic entomopathogenic fungi on survival and feeding behaviour of meadow spittlebug Philaenus spumarius

Authors: Meelad Yousef-Yousef, Marina Morente, Natalia González-Mas, Alberto Fereres, Enrique Quesada-Moraga, Aranzazu Moreno

Date: 01/11/23

Highlights: Direct exposure of Philaenus to Metarhizium brunneum reduces its survivorship. M. brunneum successfully colonises the host plant and reduces survival of Philaenus. Philaenus reaches the xylem faster on M. brunneum-colonised plants. Xylem sap ingestion by...

Functional Peptides for Plant Disease Control

Authors: Emilio Montesinos

Date: 02/06/23

Plant disease control requires novel approaches to mitigate the spread of and losses caused by current, emerging, and re-emerging diseases and to adapt plant protection to global climate change and the restrictions on the use of conventional pesticides. Currently,...

Detection of Xylella fastidiosa in Host Plants and Insect Vectors by Droplet Digital PCR

Authors: Nicola Bodino, Vincenzo Cavalieri, Crescenza Dongiovanni, Maria Saponari, and Domenico Bosco

Date: 21/03/23

Spatial-temporal dynamics of spittlebug populations, together with transmission biology, are of major importance to outline the disease epidemiology of Xylella fastidiosa (Xf) subsp. pauca in Apulian olive groves. The spread rate of Xf is...

Parallel host shifts in a bacterial plant pathogen suggest independent genetic solutions

Authors: Monica A. Donegan, Helvécio D. Coletta-Filho, Rodrigo P. P. Almeida

Date: 29/03/23

While there are documented host shifts in many bacterial plant pathogens, the genetic foundation of host shifts is largely unknown. Xylella fastidiosa is a bacterial pathogen found in over 600 host plant species. Two parallel host shifts occurred—in Brazil...

Complete Circularized Genome Resources of Seven Strains of Xylella fastidiosa subsp. fastidiosa Using Hybrid Assembly Reveals Unknown Plasmids

Authors: María Pilar Velasco-Amo, Luis F. Arias-Giraldo, Miguel Román-Écija, Leonardo De La Fuente, Ester Marco-Noales, Eduardo Moralejo, Juan A. Navas-Cortés, and Blanca B. Landa

Date: 01/08/23

Xylella fastidiosa is a vascular plant pathogenic bacterium native to the Americas that is causing significant epidemics and economic losses in olive and almonds in Europe, where it is a quarantine pathogen. Since its first detection in 2013 in Italy, mandatory...

Induction of Defense Responses and Protection of Almond Plants Against Xylella fastidiosa by Endotherapy with a Bifunctional Peptide

Authors: Luís Moll, Aina Baró, Laura Montesinos, Esther Badosa, Anna Bonaterra, and Emilio Montesinos

Date: 08/08/23

Xylella fastidiosa is a plant pathogenic bacterium that has been introduced in the European Union (EU), causing significant yield losses in economically important Mediterranean crops. Almond leaf scorch (ALS) is currently one of the most relevant diseases...

Nicotiana benthamiana as a model plant host for Xylella fastidiosa: Control of infections by transient expression and endotherapy with a bifunctional peptide

Authors: Aina Baró, Pasquale Saldarelli, Maria Saponari, Emilio Montesinos and Laura Montesinos

Date: 01/12/23

Transient expression of genes encoding peptides BP134 and BP178 by means of a Potato virus X (PVX) based-vector system, and treatment with synthetic peptides by endotherapy, were evaluated in the control of Xylella fastidiosa infections, in the...