European Journal of Plant Pathology, ( ISI ), Volume (165), No (2), Year (2022-10) , Pages (215-231)

Title : ( Antimicrobial capacity of Pseudomonas brassicacearum strain EnPb against potato soft rot agent )

Authors: nasibeh mohammadnejad aghdam , Sareh Baghaee Ravari , Ali Shiri ,

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Abstract

Microorganisms showing endophytic lifestyles can be an ideal candidate to control plant diseases in agriculture ecosystems. Among bacterial endophytes isolated from potato tubers, five strains showed antibiosis towards Pectobacterium carotovorum subsp. carotovorum (Pcc) (JX029052) in vitro. The probable efficacy of the selected endophytes was tested in potato tuber maceration assay and in vivo disease incidence using preventive and curative applications. Moreover, the biocontrol properties of the selected endophytes as antagonists of potato soft rot agent were evaluated. Strain EnPb of Pseudomonas brassicacearum that was identified using phenotypic traits and 16S rRNA sequencing, reduced soft rot development by 62.2% in vivo and, showed significant suppression of symptoms of Pcc in both preventative (58%) and curative (54.6%) applications under storage conditions. This motile fluorescent species produces siderophore, hydrogen cyanide and lytic enzymes including amylase, protease, cellulose, and harbors antibiotic genes including phlD and prnC corresponding to 2, 4-diacetylphloroglucinol (DAPG) and pyrrolnitrin, respectively.......

Keywords

Endophyte . Pectobacterium carotovorum subsp. carotovorum . Potato . Secondarymetabolites . Volatile compounds
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@article{paperid:1091682,
author = {Mohammadnejad Aghdam, Nasibeh and Baghaee Ravari, Sareh and Shiri, Ali},
title = {Antimicrobial capacity of Pseudomonas brassicacearum strain EnPb against potato soft rot agent},
journal = {European Journal of Plant Pathology},
year = {2022},
volume = {165},
number = {2},
month = {October},
issn = {0929-1873},
pages = {215--231},
numpages = {16},
keywords = {Endophyte . Pectobacterium carotovorum subsp. carotovorum . Potato . Secondarymetabolites . Volatile compounds},
}

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%0 Journal Article
%T Antimicrobial capacity of Pseudomonas brassicacearum strain EnPb against potato soft rot agent
%A Mohammadnejad Aghdam, Nasibeh
%A Baghaee Ravari, Sareh
%A Shiri, Ali
%J European Journal of Plant Pathology
%@ 0929-1873
%D 2022

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