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

被引：0

作者：

Ramos, Elizabeth Teixeira de Almeida ^{[1
]}

Olivares, Fabio Lopes ^{[2
]}

da Rocha, Leticia Oliveira ^{[2
]}

da Silva, Rogerio Freire ^{[3
]}

do Carmo, Margarida Gorete Ferreira ^{[1
]}

Lopes, Maria Teresa Gomes ^{[4
]}

Meneses, Carlos Henrique Salvino Gadelha ^{[3
]}

Vidal, Marcia Soares ^{[5
]}

Baldani, Jose Ivo ^{[5
]}

机构：

[1] Univ Fed Rural Rio Janeiro, Inst Agron, Dept Fitotecnia, Programa Posgrad Fitotecnia PPGF, Rodovia BR 465,Km 07, BR-23890000 Seropedica, RJ, Brazil

[2] Univ Estadual Norte Fluminense, Ctr Biociencias & Biotecnol, Lab Biol Celular & Tecidual, Nucleo Desenvolvimento Insumos Biol Agr, BR-28013602 Campos Dos Goytacazes, RJ, Brazil

[3] Univ Estadual Paraiba, Ctr Ciencias Biol & Saude, Dept Biol, Programa Posgrad Ciencias Agr, BR-58429500 Campina Grande, PB, Brazil

[4] Univ Fed Amazonas, Fac Ciencias Agr, Ave Rodrigo Otavio Ramos 3-000, BR-69077000 Manaus, AM, Brazil

[5] Embrapa Agrobiol, Rodovia BR 465,Km 07, BR-23891000 Seropedica, RJ, Brazil

来源：

PLANTS-BASEL | 2023年 / 12卷 / 18期

关键词：

biological control; bacteriocin; G; diazotrophicus; bacterial spot; Solanum lycopersicum L; RESISTANCE; PURIFICATION; BIOCONTROL; COPPER;

D O I：

10.3390/plants12183208

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

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.

引用

页数：12

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