About: Recovery from drought stress in tobacco: An active process associated with the reversal of senescence in some plant parts and the sacrifice of others

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About: Recovery from drought stress in tobacco: An active process associated with the reversal of senescence in some plant parts and the sacrifice of others Goto Sponge NotDistinct Permalink

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

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Plant response to water deficit and subsequent re-watering is fine tuned at the whole plant level. It differs not only between shoot and root, but also among particular leaves along a plant axis. We estimated the expression of proline metabolism-related genes and the activity of senescence-related promoter in roots and individual leaves of tobacco plants in the course of drought stress and recovery. Proline plays the dual role of an osmoprotectant and an antioxidant under water deficit. High proline concentration in the youngest uppermost leaves contributed to their protection from drought, which was associated with low degree of senescence. During recovery, elevated proline concentrations persisted and the senescence-related promoter was switched off in all surviving leaves. Two mutually exclusive scenarios were followed by tobacco leaves on recovery—restoration of photosynthesis and metabolism, or death, depending on the progress of senescence. Plant response to water deficit and subsequent re-watering is fine tuned at the whole plant level. It differs not only between shoot and root, but also among particular leaves along a plant axis. We estimated the expression of proline metabolism-related genes and the activity of senescence-related promoter in roots and individual leaves of tobacco plants in the course of drought stress and recovery. Proline plays the dual role of an osmoprotectant and an antioxidant under water deficit. High proline concentration in the youngest uppermost leaves contributed to their protection from drought, which was associated with low degree of senescence. During recovery, elevated proline concentrations persisted and the senescence-related promoter was switched off in all surviving leaves. Two mutually exclusive scenarios were followed by tobacco leaves on recovery—restoration of photosynthesis and metabolism, or death, depending on the progress of senescence. (en)
Title	Recovery from drought stress in tobacco: An active process associated with the reversal of senescence in some plant parts and the sacrifice of others Recovery from drought stress in tobacco: An active process associated with the reversal of senescence in some plant parts and the sacrifice of others (en)
skos:prefLabel	Recovery from drought stress in tobacco: An active process associated with the reversal of senescence in some plant parts and the sacrifice of others Recovery from drought stress in tobacco: An active process associated with the reversal of senescence in some plant parts and the sacrifice of others (en)
skos:notation	RIV/61389030:_____/12:00380747!RIV13-AV0-61389030
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(2B08058), P(GA206/09/2062), P(GA522/09/2058), Z(AV0Z50380511)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Vaňková, Radomíra Štorchová, Helena Dobrá, Jana
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	Ústav experimentální botaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	164429
http://linked.open...ai/riv/idVysledku	RIV/61389030:_____/12:00380747
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	drought stress; senescence; tobacco (en)
http://linked.open.../riv/klicoveSlovo	drought stress senescence tobacco
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[D3A6464121D4]
http://linked.open...i/riv/nazevZdroje	Plant Signalling & Behavior
http://linked.open...in/vavai/riv/obor	ED
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Dynamics of plant hormones and proteome during the cold acclimation in winter and spring wheat and selected recombinants Utilization of energy plants for phytoremediation The role of cytokinins and polyamines in heat stress response and thermotolerance in tobacco and Arabidopsis plants
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	7
http://linked.open...iv/tvurceVysledku	Vaňková, Radomíra Štorchová, Helena Dobrá, Jana
http://linked.open...n/vavai/riv/zamer	Mechanismy regulace růstu a vývoje rostlin na úrovni buněk, orgánů a celých organismů: fyziologické, genetické a molekulárně biologické základy
issn	1559-2316
number of pages	3 (xsd:int)
http://bibframe.org/vocab/doi	10.4161/psb.7.1.18375

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