Potencial in vitro de Bacillus spp. no controle de Curtobacterium flaccumfaciens pv. flaccumfaciens em feijoeiro-comum

Leão, Evelynne Urzêdo; Cesardasilva, Júlio; Rodriguesmedeiros, Fabíola; Silvasantarosamacêdo, Gabriela; Cavalheiroadorian, Gentil; Carlosmaringoni, Antonio

doi:10.1590/0100-5405/2120

Cited by 3 publications

(3 citation statements)

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“…michiganensis, both being tomato pathogens. Leão et al (2016) verified that Bacillus isolates showed moderate to high inhibition on the growth of Curtobacterium flaccumfaciens pv. flaccumfaciens, a bacterial pathogen of common bean.…”

Section: Isolatesmentioning

confidence: 84%

Biological control of Pseudomonas syringae pv. garcae in coffee crop with Bacillus spp. isolates

2019

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Section: Isolatesmentioning

confidence: 84%

Biological control of Pseudomonas syringae pv. garcae in coffee crop with Bacillus spp. isolates

2019

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“…Seu grande destaque está nos resultados promissores em controlar patógenos como: Rhizoctonia solani (PENG et al, 2014), Fusarium oxysporum (XU et al, 2014, Sclerotinia sclerotiorum (GAO et al, 2014) e Curtobacterium flaccumfaciens pv. flaccumfaciens (LEÃO et al, 2016).…”

Section: Fonte: Puia (2017)unclassified

Curtobacterium flaccumfaciens pv. flaccumfaciens na cultura da soja: importância e manejo

et al. 2021

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A soja (Glycine max L.) é principal cultura do agronegócio brasileiro e tornou-se a mais expressiva economicamente no país, tanto pelo aumento da área cultivada quanto pelas novas tecnologias disponibilizadas aos produtores. As doenças podem ter origens fúngicas, bacterianas e viróticas e neste estudo destaca-se a murcha-de-Curtobacterium, causada pela bactéria gram-positiva Curtobacterium flaccumfaciens pv. flaccumfaciens. O sintoma é caracterizado por uma mancha bacteriana marrom nas folhas de soja. O objetivo do trabalho foi expor os aspectos do patógeno C. flaccumfaciens pv. flaccumfaciens na cultura da soja, discutindo as principais estratégias de controle para minimizar os problemas com a doença. Deve-se ressaltar que, ao obter conhecimento sobre os aspectos agronômicos e os fatores limitantes da cultura da soja em relação à bactéria e seus principais aspectos biológicos, será possível a adoção das melhores técnicas de manejo da doença. Conclui-se que a busca por cultivares resistentes é de extrema importância no manejo da doença, uma vez que outros métodos de controle são pouco eficientes. Para alcançar o controle da mancha bacteriana marrom na cultura da soja é necessário a adoção conjunta de todas as técnicas de controle empregadas de forma unificada (manejo integrado da doença) visando a manutenção da população de C. flaccumfaciens pv. flaccumfaciens em baixos níveis. Palavras-chave: Mancha Bacteriana Marrom. Controle de Doenças. Glycine max L. Distribuição. Abstract Soybean (Glycine max L.), is the main crop of Brazilian agribusiness, it has become the most economically important in the country, both due to the increase in cultivated area and the new technologies available to farmers. Diseases can have several origins, including fungal, bacterial and virotic, but in this study, we will talk about curtobacterium wilt, caused by a gram-positive bacterium Curtobacterium flaccumfaciens pv. flaccumfaciens, responsible for brown bacterial wilt on soybean plants. The objective of this work was to expose the aspects of the pathogen Curtobacterium flaccumfaciens pv. flaccumfaciens in soybean crops, discussing the main control strategies to minimize problems caused by this disease. It should be emphasized that gaining knowledge about the agronomic aspects and limiting factors of soybean crop in relation to the pathogen is necessary to reach the best management of the disease. We concluded that the search for resistant cultivars is extremely important for disease management, since other control methods are inefficient. To achieve the control of bacterial tan spot in soybean crop, it is necessary to joint adoption of all the control techniques used in a unified way (disease integrated management) aiming at maintaining the population of Curtobacterium flaccumfaciens pv. flaccumfaciens at low levels. Keywords: Bacterial Tan Spot. Disease Control; Glycine max L. Distribution.

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“…Previous studies have mainly focused on the identi cation of the pathogenicity of Cff in relation to legumes (Puia et al 2021;Valdo et al 2016), the selection of crops in rotation system to reduce the effect of Cff (Goncalves et al 2021;Goncalves et al 2017), the antagonistic effect of Cff on Bacillus spp. (Leao et al 2016), and the sensitivity of Cff to protein synthesis group inhibitors (Tumbarski et al 2018).…”

Section: Introductionmentioning

confidence: 99%

Genomic Analysis of Curtobacterium Flaccumfaciens Reveals the Differences Between Pathogenic and Nonpathogenic Strains

Sun

2021

Preprint

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Purpose Curtobacterium flaccumfaciens is a Gram-positive bacterium which has been isolated from different plants and abiotic environment. Curtobacterium. flaccumfaciens pv. flaccumfaciens (Cff) is a pathogenic bacterium that infects legume, which is causing great economic losses. At the genomic level, the metabolic and phylogenetic characteristics, and differences in pathogenicity between pathogenic and nonpathogenic C. flaccumfaciens strains have not been analyzed in detail. Methods Therefore, in order to discuss the differences in genome, phylogeny, gene function and mobile genetic elements between pathogenic and nonpathogenic strains, pangenomics and comparative genomics were used in this study to analyze 12 C. flaccumfaciens strains. Result The pangenome of C. flaccumfaciens is open. Phylogenetic analysis showed that there was no correlation between the phylogeny and pathogenicity of C. flaccumfaciens. KAAS annotation of the core genome shows that the citrate cycle was incomplete. In addition, gene islands analysis of the three pathogenicity-related genes encoding for pectate lyase, serine protease and cellulases showed that they only existed in the Cffs and LMG3645 strains. LMG3645 might be a pathogenic strain. Conclusion This study clearly and reliably revealed the differences between the pathogenic and nonpathogenic strains of C. flaccumfaciens at the genomic level, and paves the way for further research on its pathogenicity.

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Potencial in vitro de Bacillus spp. no controle de Curtobacterium flaccumfaciens pv. flaccumfaciens em feijoeiro-comum

Cited by 3 publications

References 10 publications

Biological control of Pseudomonas syringae pv. garcae in coffee crop with Bacillus spp. isolates

Biological control of Pseudomonas syringae pv. garcae in coffee crop with Bacillus spp. isolates

Curtobacterium flaccumfaciens pv. flaccumfaciens na cultura da soja: importância e manejo

Genomic Analysis of Curtobacterium Flaccumfaciens Reveals the Differences Between Pathogenic and Nonpathogenic Strains

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