About: Effect of osmotic stress and culture density on invasiveness of Listeria monocytogenes strains

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The effect of osmotic stress on its capacity to invade the human enterocytic cell line HT-29 was studied in the early log through the stationary phase in 10 L. monocytogenes strains representing three genetically independent lineages. The results demonstrate that the transition of the bacteria from the log to the stationary phase results in a stepwise reduction of invasiveness. This effect was heterogeneous in the studied L. monocytogenes population, as the range of invasiveness reduction between the log and stationary phases varied from 10- to 380-fold depending on the strain. Ten-minute exposure to 0.3 M NaCl was sufficient to generate invasiveness alteration. It appears that although stationary-phase bacteria exhibit lower invasiveness than log-phase bacteria, they have a greater capacity to enhance their pathogenicity in response to stress. The effect of osmotic stress on its capacity to invade the human enterocytic cell line HT-29 was studied in the early log through the stationary phase in 10 L. monocytogenes strains representing three genetically independent lineages. The results demonstrate that the transition of the bacteria from the log to the stationary phase results in a stepwise reduction of invasiveness. This effect was heterogeneous in the studied L. monocytogenes population, as the range of invasiveness reduction between the log and stationary phases varied from 10- to 380-fold depending on the strain. Ten-minute exposure to 0.3 M NaCl was sufficient to generate invasiveness alteration. It appears that although stationary-phase bacteria exhibit lower invasiveness than log-phase bacteria, they have a greater capacity to enhance their pathogenicity in response to stress. (en)
Title	Effect of osmotic stress and culture density on invasiveness of Listeria monocytogenes strains Effect of osmotic stress and culture density on invasiveness of Listeria monocytogenes strains (en)
skos:prefLabel	Effect of osmotic stress and culture density on invasiveness of Listeria monocytogenes strains Effect of osmotic stress and culture density on invasiveness of Listeria monocytogenes strains (en)
skos:notation	RIV/75010330:_____/11:00009255!RIV12-MZ0-75010330
http://linked.open...avai/riv/aktivita	V
http://linked.open...avai/riv/aktivity	V
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Karpíšková, Renáta
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Státní zdravotní ústav, příspěvková organizace
http://linked.open...dnocenehoVysledku	196388
http://linked.open...ai/riv/idVysledku	RIV/75010330:_____/11:00009255
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Listeria monocytogenes; osmotic stress; growth phase; plaque forming (en)
http://linked.open.../riv/klicoveSlovo	Listeria monocytogenes growth phase osmotic stress plaque forming
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[2D46B6B612C2]
http://linked.open...i/riv/nazevZdroje	International journal of food microbiology
http://linked.open...in/vavai/riv/obor	EE
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	144
http://linked.open...iv/tvurceVysledku	Karpíšková, Renata Bania, J. Molenda, J. Wałecka, E.
http://linked.open...ain/vavai/riv/wos	000287227000016
issn	0168-1605
number of pages	6 (xsd:int)

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