African Journal of
Microbiology Research

  • Abbreviation: Afr. J. Microbiol. Res.
  • Language: English
  • ISSN: 1996-0808
  • DOI: 10.5897/AJMR
  • Start Year: 2007
  • Published Articles: 5233

Full Length Research Paper

Antimicrobial activity of several Brazilian medicinal plants against phytopathogenic bacteria

Cibele Maria Alves da Silva
  • Cibele Maria Alves da Silva
  • Laboratório de Química de Produtos Naturais, Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Pernambuco, Av. Professor Moraes Rego, 1235, 50.670-901, Recife - PE, Brazil.
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Bruna Mirely da Silva Costa
  • Bruna Mirely da Silva Costa
  • Laboratório de Química de Produtos Naturais, Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Pernambuco, Av. Professor Moraes Rego, 1235, 50.670-901, Recife - PE, Brazil.
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Alexandre Gomes da Silva
  • Alexandre Gomes da Silva
  • Núcleo de Bioprospecção e Conservação da Caatinga, Instituto Nacional do Semiárido/Ministério da Ciência, Tecnologia e Inovação – INSA/MCTI, Av. Francisco Lopes de Almeida, s/n, 58.429-970, Campina Grande - PB, Brazil.
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Elineide Barbosa de Souza
  • Elineide Barbosa de Souza
  • Departamento de Biologia, Área de Microbiologia, Universidade Federal Rural de Pernambuco, Rua Dom Manoel de Medeiros, s/n, Dois Irmãos, CEP 52171-900, Recife - PE, Brazil.
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Márcia Vanusa da Silva
  • Márcia Vanusa da Silva
  • Núcleo de Bioprospecção e Conservação da Caatinga, Instituto Nacional do Semiárido/Ministério da Ciência, Tecnologia e Inovação – INSA/MCTI, Av. Francisco Lopes de Almeida, s/n, 58.429-970, Campina Grande - PB, Brazil.
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Maria Tereza dos Santos Correia
  • Maria Tereza dos Santos Correia
  • Laboratório de Química de Produtos Naturais, Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Pernambuco, Av. Professor Moraes Rego, 1235, 50.670-901, Recife - PE, Brazil.
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da Silva Ana Paula Sant´Anna
  • da Silva Ana Paula Sant´Anna
  • Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Pernambuco, Av. Professor Moraes Rego, 1235, 50.670-901, Recife - PE, Brazil
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Lima Vera Lúcia de Menezes
  • Lima Vera Lúcia de Menezes
  • Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Pernambuco, Av. Professor Moraes Rego, 1235, 50.670-901, Recife - PE, Brazil
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  •  Received: 08 July 2014
  •  Accepted: 29 March 2016
  •  Published: 07 May 2016

Abstract

What is currently raised as a new approach in the management of plant diseases is the development and formulation of plant based biopesticides. The objective of present study is to evaluate the antibacterial activity of aqueous extracts of twelve species belonging to seven families collected from the Northeast of Brazil against four economically important phytopathogenic bacteria. Antibacterial activities of the aqueous extracts were studied by minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC). Twelve aqueous extracts of twelve species were evaluated. Only three extracts were not active against Ralstonia solanacearum and other three extracts were not active against Xanthomonas campestris pv. campestris. Anadenanthera colubrina var. cebil, Croton pedicellatus and Eugenia brejoensis presented a broad spectrum of the inhibitory effect (MIC 3.12 to 12.5 mg/mL). According to these results, we conclude that the flora in the northeast of Brazil can be regarded as a rich source of plants with antibacterial activity. Therefore, further screening of other plant species, identifying active fractions or metabolites and in vivo application of active extracts are warranted.

Key words: Caatinga, Atlantic Forest, antibacterial activity, aqueous extract, anti-phytopathogenic activity.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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