Paenibacillus polymyxa A26 sfp-type phosphopantetheinyl transferase inactivation limits bacterial antagonism against Fusarium graminearum but not of F. culmorum
Fusarium graminearum and F. culmorum are the causing agents of a destructive disease known as Fusarium head blight (FHB). FHB is a re-emerging disease in small grain cereals which impairs both the grain yield and the quality. Most serious consequence is the contamination of grain with Fusarium myc...
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2015-05-01
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Online Access: | http://journal.frontiersin.org/Journal/10.3389/fpls.2015.00368/full |
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doaj-283435e093f24c4d866b199f2adb62992020-11-24T22:45:22ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2015-05-01610.3389/fpls.2015.00368138407Paenibacillus polymyxa A26 sfp-type phosphopantetheinyl transferase inactivation limits bacterial antagonism against Fusarium graminearum but not of F. culmorumIslam A eAbd El Daim0Per eHaggblom1Magnus eKarlsson2Elna eStenstrom3Salme eTimmusk4SLUNational Veterinary Institute SVASLUSLUSLUFusarium graminearum and F. culmorum are the causing agents of a destructive disease known as Fusarium head blight (FHB). FHB is a re-emerging disease in small grain cereals which impairs both the grain yield and the quality. Most serious consequence is the contamination of grain with Fusarium mycotoxins that are severe threat to humans and animals. Biological control has been suggested as one of the integrated management strategies to control FHB. Paenibacillus polymyxa is considered as a promising biocontrol agent due to its unique antibiotic spectrum. In order to optimize strain A26 production, formulation and application strategies traits important for its compatibility need to be revealed. Here we developed a toolbox comprising of dual culture plate assays and wheat kernel assays including simultaneous monitoring of FHB causing pathogens A26 and mycotoxins produced. Using this system we show that, besides generally known lipopeptide antibiotic production by P. polymyxa, biofilm formation ability may play a crucial role in the case of stain A26 F. culmorum antagonism.http://journal.frontiersin.org/Journal/10.3389/fpls.2015.00368/fulllipopeptide antibioticsPaenibacillus polymyxaBacterial biofilmFHB biocontrolSfp-type PPTase |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Islam A eAbd El Daim Per eHaggblom Magnus eKarlsson Elna eStenstrom Salme eTimmusk |
spellingShingle |
Islam A eAbd El Daim Per eHaggblom Magnus eKarlsson Elna eStenstrom Salme eTimmusk Paenibacillus polymyxa A26 sfp-type phosphopantetheinyl transferase inactivation limits bacterial antagonism against Fusarium graminearum but not of F. culmorum Frontiers in Plant Science lipopeptide antibiotics Paenibacillus polymyxa Bacterial biofilm FHB biocontrol Sfp-type PPTase |
author_facet |
Islam A eAbd El Daim Per eHaggblom Magnus eKarlsson Elna eStenstrom Salme eTimmusk |
author_sort |
Islam A eAbd El Daim |
title |
Paenibacillus polymyxa A26 sfp-type phosphopantetheinyl transferase inactivation limits bacterial antagonism against Fusarium graminearum but not of F. culmorum |
title_short |
Paenibacillus polymyxa A26 sfp-type phosphopantetheinyl transferase inactivation limits bacterial antagonism against Fusarium graminearum but not of F. culmorum |
title_full |
Paenibacillus polymyxa A26 sfp-type phosphopantetheinyl transferase inactivation limits bacterial antagonism against Fusarium graminearum but not of F. culmorum |
title_fullStr |
Paenibacillus polymyxa A26 sfp-type phosphopantetheinyl transferase inactivation limits bacterial antagonism against Fusarium graminearum but not of F. culmorum |
title_full_unstemmed |
Paenibacillus polymyxa A26 sfp-type phosphopantetheinyl transferase inactivation limits bacterial antagonism against Fusarium graminearum but not of F. culmorum |
title_sort |
paenibacillus polymyxa a26 sfp-type phosphopantetheinyl transferase inactivation limits bacterial antagonism against fusarium graminearum but not of f. culmorum |
publisher |
Frontiers Media S.A. |
series |
Frontiers in Plant Science |
issn |
1664-462X |
publishDate |
2015-05-01 |
description |
Fusarium graminearum and F. culmorum are the causing agents of a destructive disease known as Fusarium head blight (FHB). FHB is a re-emerging disease in small grain cereals which impairs both the grain yield and the quality. Most serious consequence is the contamination of grain with Fusarium mycotoxins that are severe threat to humans and animals. Biological control has been suggested as one of the integrated management strategies to control FHB. Paenibacillus polymyxa is considered as a promising biocontrol agent due to its unique antibiotic spectrum. In order to optimize strain A26 production, formulation and application strategies traits important for its compatibility need to be revealed. Here we developed a toolbox comprising of dual culture plate assays and wheat kernel assays including simultaneous monitoring of FHB causing pathogens A26 and mycotoxins produced. Using this system we show that, besides generally known lipopeptide antibiotic production by P. polymyxa, biofilm formation ability may play a crucial role in the case of stain A26 F. culmorum antagonism. |
topic |
lipopeptide antibiotics Paenibacillus polymyxa Bacterial biofilm FHB biocontrol Sfp-type PPTase |
url |
http://journal.frontiersin.org/Journal/10.3389/fpls.2015.00368/full |
work_keys_str_mv |
AT islamaeabdeldaim paenibacilluspolymyxaa26sfptypephosphopantetheinyltransferaseinactivationlimitsbacterialantagonismagainstfusariumgraminearumbutnotoffculmorum AT perehaggblom paenibacilluspolymyxaa26sfptypephosphopantetheinyltransferaseinactivationlimitsbacterialantagonismagainstfusariumgraminearumbutnotoffculmorum AT magnusekarlsson paenibacilluspolymyxaa26sfptypephosphopantetheinyltransferaseinactivationlimitsbacterialantagonismagainstfusariumgraminearumbutnotoffculmorum AT elnaestenstrom paenibacilluspolymyxaa26sfptypephosphopantetheinyltransferaseinactivationlimitsbacterialantagonismagainstfusariumgraminearumbutnotoffculmorum AT salmeetimmusk paenibacilluspolymyxaa26sfptypephosphopantetheinyltransferaseinactivationlimitsbacterialantagonismagainstfusariumgraminearumbutnotoffculmorum |
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