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The Effects of Gluconacin on Bacterial Tomato Pathogens and Protection against Xanthomonas perforans, the Causal Agent of Bacterial Spot Disease.


ABSTRACT: As agricultural practices become more sustainable, adopting more sustainable practices will become even more relevant. Searching for alternatives to chemical compounds has been the focus of numerous studies, and bacteriocins are tools with intrinsic biotechnological potential for controlling plant diseases. We continued to explore the biotechnological activity of the bacteriocin Gluconacin from Gluconacetobacter diazotrophicus, PAL5 strain, by investigating this protein's antagonism against important tomato phytopathogens and demonstrating its effectiveness in reducing bacterial spots caused by Xanthomonas perforans. In addition to this pathogen, the bacteriocin Gluconacin demonstrated bactericidal activity in vitro against Ralstonia solanacearum and Pseudomonas syringae pv. tomato, agents that cause bacterial wilt and bacterial spots, respectively. Bacterial spot control tests showed that Gluconacin reduced disease severity by more than 66%, highlighting the biotechnological value of this peptide in ecologically correct formulations.

SUBMITTER: Ramos ETA 

PROVIDER: S-EPMC10535834 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature

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The Effects of Gluconacin on Bacterial Tomato Pathogens and Protection against <i>Xanthomonas perforans</i>, the Causal Agent of Bacterial Spot Disease.

Ramos Elizabeth Teixeira de Almeida ETA   Olivares Fábio Lopes FL   Rocha Letícia Oliveira da LOD   Silva Rogério Freire da RFD   Carmo Margarida Goréte Ferreira do MGFD   Lopes Maria Teresa Gomes MTG   Meneses Carlos Henrique Salvino Gadelha CHSG   Vidal Marcia Soares MS   Baldani José Ivo JI  

Plants (Basel, Switzerland) 20230908 18


As agricultural practices become more sustainable, adopting more sustainable practices will become even more relevant. Searching for alternatives to chemical compounds has been the focus of numerous studies, and bacteriocins are tools with intrinsic biotechnological potential for controlling plant diseases. We continued to explore the biotechnological activity of the bacteriocin Gluconacin from <i>Gluconacetobacter diazotrophicus</i>, PAL5 strain, by investigating this protein's antagonism again  ...[more]

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