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פותח על ידי קלירמאש פתרונות בע"מ -
Effects of plant antimicrobial phenolic compounds on virulence of the genus Pectobacterium
Year:
2015
Source of publication :
Research in Microbiology
Authors :
ידידיה, איריס
;
.
ליפסקי, אלכסנדר
;
.
Volume :
166
Co-Authors:
Joshi, J.R., Dept. of Plant Pathology and Microbiology, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel, Department of Plant Sciences, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Burdman, S., Dept. of Plant Pathology and Microbiology, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
Lipsky, A., Department of Plant Sciences, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Yedidia, I., Department of Plant Sciences, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Facilitators :
From page:
535
To page:
545
(
Total pages:
11
)
Abstract:
Pectobacterium spp. are among the most devastating necrotrophs, attacking more than 50% of angiosperm plant orders. Their virulence strategy is based mainly on the secretion of exoenzymes that degrade the cell walls of their hosts, providing nutrients to the bacteria, but conversely, exposing the bacteria to plant defense compounds. In the present study, we screened plant-derived antimicrobial compounds, mainly phenolic acids and polyphenols, for their ability to affect virulence determinants including motility, biofilm formation and extracellular enzyme activities of different Pectobacteria: Pectobacterium carotovorum, P. brasiliensis, P. atrosepticum and P. aroidearum. In addition, virulence assays were performed on three different plant hosts following exposure of the bacteria to selected phenolic compounds. These experiments showed that cinnamic, coumaric, syringic and salicylic acids and catechol can considerably reduce disease severity, ranging from 20 to 100%. The reduced disease severity was not only the result of reduced bacterial growth, but also of a direct effect of the compounds on important bacterial virulence determinants, including pectolytic and proteolytic exoenzyme activities, that were reduced by 50-100%. This is the first report revealing a direct effect of phenolic compounds on virulence factors in a wide range of Pectobacterium strains. © 2015 Institut Pasteur.
Note:
Related Files :
chemistry
Genetics
Microbiology
plant
Plant Disease
Plant Diseases
Plants
עוד תגיות
תוכן קשור
More details
DOI :
10.1016/j.resmic.2015.04.004
Article number:
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
32207
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 01:08
You may also be interested in
Scientific Publication
Effects of plant antimicrobial phenolic compounds on virulence of the genus Pectobacterium
166
Joshi, J.R., Dept. of Plant Pathology and Microbiology, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel, Department of Plant Sciences, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Burdman, S., Dept. of Plant Pathology and Microbiology, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
Lipsky, A., Department of Plant Sciences, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Yedidia, I., Department of Plant Sciences, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Effects of plant antimicrobial phenolic compounds on virulence of the genus Pectobacterium
Pectobacterium spp. are among the most devastating necrotrophs, attacking more than 50% of angiosperm plant orders. Their virulence strategy is based mainly on the secretion of exoenzymes that degrade the cell walls of their hosts, providing nutrients to the bacteria, but conversely, exposing the bacteria to plant defense compounds. In the present study, we screened plant-derived antimicrobial compounds, mainly phenolic acids and polyphenols, for their ability to affect virulence determinants including motility, biofilm formation and extracellular enzyme activities of different Pectobacteria: Pectobacterium carotovorum, P. brasiliensis, P. atrosepticum and P. aroidearum. In addition, virulence assays were performed on three different plant hosts following exposure of the bacteria to selected phenolic compounds. These experiments showed that cinnamic, coumaric, syringic and salicylic acids and catechol can considerably reduce disease severity, ranging from 20 to 100%. The reduced disease severity was not only the result of reduced bacterial growth, but also of a direct effect of the compounds on important bacterial virulence determinants, including pectolytic and proteolytic exoenzyme activities, that were reduced by 50-100%. This is the first report revealing a direct effect of phenolic compounds on virulence factors in a wide range of Pectobacterium strains. © 2015 Institut Pasteur.
Scientific Publication
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