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Paenibacillus polym...
Paenibacillus polymyxa A26 Sfp-type PPTase inactivation limits bacterial antagonism against Fusarium graminearum but not of F. culmorum in kernel assay
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- Abd El-Daim, Islam Ahmed Moustafa (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig mykologi och patologi,Department of Forest Mycology and Pathology
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- Karlsson, Magnus (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig mykologi och patologi,Department of Forest Mycology and Pathology
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- Stenström, Elna (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig mykologi och patologi,Department of Forest Mycology and Pathology
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- Timmusk, Salme (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig mykologi och patologi,Department of Forest Mycology and Pathology
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(creator_code:org_t)
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- 2015-05-29
- 2015
- English.
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In: Frontiers in Plant Science. - : Frontiers Media SA. - 1664-462X. ; 6
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https://res.slu.se/i...
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https://doi.org/10.3...
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Abstract
Subject headings
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- 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. P. polymyxa A26 is an efficient antagonistic agent against Fusarium spp. 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 mycotoxin production. 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. Application of the system for effective strain selection and maintenance is discussed.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Miljöbioteknik -- Vattenbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Biotechnology -- Water Treatment (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Miljöledning (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Environmental Management (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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