Tracking the Subtle Mutations Driving Host Sensing by the Plant Pathogen <italic toggle="yes">Streptomyces scabies</italic>

ABSTRACT The acquisition of genetic material conferring the arsenal necessary for host virulence is a prerequisite on the path to becoming a plant pathogen. More subtle mutations are also required for the perception of cues signifying the presence of the target host and optimal conditions for coloni...

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Autores principales:	Samuel Jourdan, Isolde M. Francis, Benoit Deflandre, Rosemary Loria, Sébastien Rigali
Formato:	article
Lenguaje:	EN
Publicado:	American Society for Microbiology 2017
Materias:	host sensing Streptomyces host-pathogen interactions phytopathogens plant pathogens scab disease Microbiology QR1-502
Acceso en línea:	https://doaj.org/article/ea49cfcdebbc4dd1bc7a26826f7fcc12
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spelling	oai:doaj.org-article:ea49cfcdebbc4dd1bc7a26826f7fcc122021-11-15T15:21:47ZTracking the Subtle Mutations Driving Host Sensing by the Plant Pathogen <italic toggle="yes">Streptomyces scabies</italic>10.1128/mSphere.00367-162379-5042https://doaj.org/article/ea49cfcdebbc4dd1bc7a26826f7fcc122017-04-01T00:00:00Zhttps://journals.asm.org/doi/10.1128/mSphere.00367-16https://doaj.org/toc/2379-5042ABSTRACT The acquisition of genetic material conferring the arsenal necessary for host virulence is a prerequisite on the path to becoming a plant pathogen. More subtle mutations are also required for the perception of cues signifying the presence of the target host and optimal conditions for colonization. The decision to activate the pathogenic lifestyle is not “taken lightly” and involves efficient systems monitoring environmental conditions. But how can a pathogen trigger the expression of virulence genes in a timely manner if the main signal inducing its pathogenic behavior originates from cellulose, the most abundant polysaccharide on earth? This situation is encountered by Streptomyces scabies, which is responsible for common scab disease on tuber and root crops. We propose here a series of hypotheses of how S. scabies could optimally distinguish whether cello-oligosaccharides originate from decomposing lignocellulose (nutrient sources, saprophyte) or, instead, emanate from living and expanding plant tissue (virulence signals, pathogen) and accordingly adapt its physiological response.Samuel JourdanIsolde M. FrancisBenoit DeflandreRosemary LoriaSébastien RigaliAmerican Society for Microbiologyarticlehost sensingStreptomyceshost-pathogen interactionsphytopathogensplant pathogensscab diseaseMicrobiologyQR1-502ENmSphere, Vol 2, Iss 2 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	host sensing Streptomyces host-pathogen interactions phytopathogens plant pathogens scab disease Microbiology QR1-502
spellingShingle	host sensing Streptomyces host-pathogen interactions phytopathogens plant pathogens scab disease Microbiology QR1-502 Samuel Jourdan Isolde M. Francis Benoit Deflandre Rosemary Loria Sébastien Rigali Tracking the Subtle Mutations Driving Host Sensing by the Plant Pathogen <italic toggle="yes">Streptomyces scabies</italic>
description	ABSTRACT The acquisition of genetic material conferring the arsenal necessary for host virulence is a prerequisite on the path to becoming a plant pathogen. More subtle mutations are also required for the perception of cues signifying the presence of the target host and optimal conditions for colonization. The decision to activate the pathogenic lifestyle is not “taken lightly” and involves efficient systems monitoring environmental conditions. But how can a pathogen trigger the expression of virulence genes in a timely manner if the main signal inducing its pathogenic behavior originates from cellulose, the most abundant polysaccharide on earth? This situation is encountered by Streptomyces scabies, which is responsible for common scab disease on tuber and root crops. We propose here a series of hypotheses of how S. scabies could optimally distinguish whether cello-oligosaccharides originate from decomposing lignocellulose (nutrient sources, saprophyte) or, instead, emanate from living and expanding plant tissue (virulence signals, pathogen) and accordingly adapt its physiological response.
format	article
author	Samuel Jourdan Isolde M. Francis Benoit Deflandre Rosemary Loria Sébastien Rigali
author_facet	Samuel Jourdan Isolde M. Francis Benoit Deflandre Rosemary Loria Sébastien Rigali
author_sort	Samuel Jourdan
title	Tracking the Subtle Mutations Driving Host Sensing by the Plant Pathogen <italic toggle="yes">Streptomyces scabies</italic>
title_short	Tracking the Subtle Mutations Driving Host Sensing by the Plant Pathogen <italic toggle="yes">Streptomyces scabies</italic>
title_full	Tracking the Subtle Mutations Driving Host Sensing by the Plant Pathogen <italic toggle="yes">Streptomyces scabies</italic>
title_fullStr	Tracking the Subtle Mutations Driving Host Sensing by the Plant Pathogen <italic toggle="yes">Streptomyces scabies</italic>
title_full_unstemmed	Tracking the Subtle Mutations Driving Host Sensing by the Plant Pathogen <italic toggle="yes">Streptomyces scabies</italic>
title_sort	tracking the subtle mutations driving host sensing by the plant pathogen <italic toggle="yes">streptomyces scabies</italic>
publisher	American Society for Microbiology
publishDate	2017
url	https://doaj.org/article/ea49cfcdebbc4dd1bc7a26826f7fcc12
work_keys_str_mv	AT samueljourdan trackingthesubtlemutationsdrivinghostsensingbytheplantpathogenitalictoggleyesstreptomycesscabiesitalic AT isoldemfrancis trackingthesubtlemutationsdrivinghostsensingbytheplantpathogenitalictoggleyesstreptomycesscabiesitalic AT benoitdeflandre trackingthesubtlemutationsdrivinghostsensingbytheplantpathogenitalictoggleyesstreptomycesscabiesitalic AT rosemaryloria trackingthesubtlemutationsdrivinghostsensingbytheplantpathogenitalictoggleyesstreptomycesscabiesitalic AT sebastienrigali trackingthesubtlemutationsdrivinghostsensingbytheplantpathogenitalictoggleyesstreptomycesscabiesitalic
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Tracking the Subtle Mutations Driving Host Sensing by the Plant Pathogen <italic toggle="yes">Streptomyces scabies</italic>

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