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Article
Microbiology
Marta Sena-Velez et al.
Summary: Xanthomonas citri pv. citri (Xcc) type A is the causal agent of citrus bacterial canker and it has a wide host range. Two narrow-host-range strains of Xcc, A(w) and A*, only infect Mexican lime and alemow. The chemotactic responses of these strains to carbon sources and apoplastic fluids vary, suggesting that they can sense host-specific signals for entry through stomata or wounds.
Article
Microbiology
Jordi Cabrefiga et al.
Article
Microbiology
David Hernandez et al.
Summary: Fungi of the Botryosphaeriaceae family in avocado orchards in the Canary Islands were characterized. Five species of Botryosphaeriaceae were isolated, including Neofusicoccum australe, N. cryptoaustrale/stellenboschiana, N. luteum, N. parvum, and Lasiodiplodia brasiliensis. L. brasiliensis was associated with avocado dieback for the first time, and N. cryptoaustrale/stellenboschiana was found to cause symptoms of dieback and stem-end rot in avocados. Further studies are needed to identify the fungal pathogens associated with different symptoms in avocados.
Article
Microbiology
Ivan Martin-Hernandez et al.
Summary: Gene overlapping is a major factor controlling mutation load and evolution rate in RNA viruses. Although DNA viruses should have lower mutation rates, some DNA viruses with gene overlapping have comparable evolutionary rates to RNA viruses. Through comparative genomic approaches, this study shows that terminal gene overlapping decreases the rate of virus evolution in Begomovirus, associated with lower mutation frequency.
Article
Microbiology
Maria Quintana et al.
Summary: This study evaluated different specimen preparation and DNA extraction methods for detecting CaLsol in Bactericera trigonica by PCR. The results showed that grinding the specimen yielded the best DNA, but destructive procedures were not necessary. The HotSHOT method was the most sensitive, and squashing on membrane, HotSHOT, and PBS methods were faster and cheaper. This study provides a valuable guide for selecting a suitable method to detect CaLsol.
Article
Microbiology
Belen Alvarez et al.
Summary: This study investigates the adaptation and resuscitation abilities of Ralstonia solanacearum strains under different temperature and nutrient conditions. The strains show resilience and maintain virulence regardless of their origin in temperate or tropical areas. These findings are important for predicting the spread and pathogenicity of this pathogen in different geographical and climatic regions.
Review
Microbiology
Barbara Quetglas et al.
Summary: This review analyzes the control measures implemented by the Balearic Government in compliance with European legislation, as well as the results of scientific research since 2017. The emergence of Xf in the Balearic Islands poses a significant phytosanitary challenge, and alternative coexistence strategies based on scientific knowledge are proposed to minimize damage to crops and the landscape.
Article
Microbiology
Ana M. Fernandez-Sanz et al.
Summary: Pseudomonas viridiflava is a wide-host range pathogen that affects numerous plant species. A new biotype of this bacterium was found in Spain, causing damage in various crops. Weeds may act as a reservoir and source of inoculum for P. viridiflava.
Article
Microbiology
Elvira Fiallo-Olive et al.
Summary: Sweet potato symptomless virus 1 (SPSMV-1) was found to be present in Spain and Europe for the first time, and the first agroinfectious clone for this virus was developed.
Review
Microbiology
Esther Badosa et al.
Summary: The search for effective methods to control plant diseases caused by bacteria is crucial for food security. Functional peptides, both natural and synthetic, have shown great potential as biopesticides due to their strong bactericidal activity, biodegradability, and low toxicity. Current research focuses on identifying peptide sequences that can be used to develop novel biopesticides.
Review
Microbiology
Anna Bonaterra et al.
Summary: Biological control is effective for fungal and bacterial plant disease management, but the inconsistent performance of bacterial biocontrol agents and pathosystem factors and environmental conditions can limit their commercial use.