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Title of Journal: World J Microbiol Biotechnol

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Abbravation: World Journal of Microbiology and Biotechnology

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Springer Netherlands

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DOI

10.1016/0024-3205(91)90354-e

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1573-0972

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Isolation and characterization of soil Emphasis T

Authors: Zahaed EvangelistaMartínez
Publish Date: 2013/12/06
Volume: 30, Issue: 5, Pages: 1639-1647
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Abstract

The use of antagonist microorganisms against fungal plant pathogens is an attractive and ecologically alternative to the use of chemical pesticides Streptomyces are beneficial soil bacteria and potential candidates for biocontrol agents This study reports the isolation characterization and antagonist activity of soil streptomycetes from the Los Petenes Biosphere Reserve a Natural protected area in Campeche Mexico The results showed morphological physiological and biochemical characterization of six actinomycetes and their inhibitory activity against Curvularia sp Aspergillus niger Helminthosporium sp and Fusarium sp One isolate identified as Streptomyces sp CACIS116CA showed the potential to inhibit additional pathogens as Alternaria sp Phytophthora capsici Colletotrichum sp and Rhizoctonia sp with percentages ranging from 47 to 90  This study identified a streptomycete strain with a broad antagonist activity that could be used for biocontrol of plant pathogenic fungiI would like to thank Dr Jairo Cristobal Alejo from Instituto Tecnológico de Conkal and Dr Alberto Uc Várguez from CIATEJUnidad Sureste Yucatán Mexico for providing fungal strains I am grateful to Dr Elizabeth Sugg of Peace Corps Mexico and Dr Luis ServínGonzález from Instituto de Investigaciones Biomédicas UNAM for the critical review comments and English editing on the manuscript I acknowledge the collaboration of Dra Ingrid M RodríguezBuenfil from CIATEJUnidad Sureste and Dr Carlos Montalvo Romero from Universidad Autónoma del Carmen This study was supported by grant No CAMP2008C0196874 FOMIX ConacytCampeche Isolation Identification and Conservation of Germplasm Bank of Actinomycetes from Los Petenes Biosphere Reserve I do not have conflicts of interest to declare

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