About: Auxin efflux carrier activity and auxin accumulation regulate cell division and polarity in tobacco cells.

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About: Auxin efflux carrier activity and auxin accumulation regulate cell division and polarity in tobacco cells. 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	Division and growth of most types of in vitro-cultured plant cells require an external source of auxin. In such cultures, the ratio of external to internal auxin concentration is crucial for the regulation of the phases of the standard growth cycle. In this report the internal concentration of auxin in suspension-cultured cells of Nicotiana tabacum L., strain VBI-0, was manipulated either (i) by increasing 10-fold the normal concentration of 1-naphthaleneacetic acid (NAA) and 2,4-dichloro-phenoxyacetic acid in the external medium; or (ii) by addition 1-N-naphthylphthalamic acid (NPA; an inhibitor of auxin efflux and of auxin efflux carrier traffic). Both treatments delayed the onset of cell division for 6-7 days without loss of cell viability. In both cases, cell division activity subsequently resumed coincident with a reduction in the ability of cells to accumulate [3H]NAA from an external medium. Division and growth of most types of in vitro-cultured plant cells require an external source of auxin. In such cultures, the ratio of external to internal auxin concentration is crucial for the regulation of the phases of the standard growth cycle. In this report the internal concentration of auxin in suspension-cultured cells of Nicotiana tabacum L., strain VBI-0, was manipulated either (i) by increasing 10-fold the normal concentration of 1-naphthaleneacetic acid (NAA) and 2,4-dichloro-phenoxyacetic acid in the external medium; or (ii) by addition 1-N-naphthylphthalamic acid (NPA; an inhibitor of auxin efflux and of auxin efflux carrier traffic). Both treatments delayed the onset of cell division for 6-7 days without loss of cell viability. In both cases, cell division activity subsequently resumed coincident with a reduction in the ability of cells to accumulate [3H]NAA from an external medium. (en)
Title	Auxin efflux carrier activity and auxin accumulation regulate cell division and polarity in tobacco cells. Auxin efflux carrier activity and auxin accumulation regulate cell division and polarity in tobacco cells. (en)
skos:prefLabel	Auxin efflux carrier activity and auxin accumulation regulate cell division and polarity in tobacco cells. Auxin efflux carrier activity and auxin accumulation regulate cell division and polarity in tobacco cells. (en)
skos:notation	RIV/61389030:_____/02:56023021!RIV/2003/GA0/A56003/N
http://linked.open.../vavai/riv/strany	302;308
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA206/98/1510), Z(AV0Z5038910)
http://linked.open...iv/cisloPeriodika	N/A
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	Zažímalová, Eva Petrášek, Jan Elčkner, Miroslav Morris, David
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	639281
http://linked.open...ai/riv/idVysledku	RIV/61389030:_____/02:56023021
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Auxin carrier; 1,N,Naphthylphthalamic acid; Nicotiana (cell culture) (en)
http://linked.open.../riv/klicoveSlovo	Auxin carrier 1 N Naphthylphthalamic acid Nicotiana (cell culture)
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[4FE4AED42E9B]
http://linked.open...i/riv/nazevZdroje	Planta
http://linked.open...in/vavai/riv/obor	EB
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Mechanism of auxin and cytokinin cooperation in the regulation of plant cell division and elongation on the level of signal(s) transduction
http://linked.open...UplatneniVysledku	2002
http://linked.open...v/svazekPeriodika	216
http://linked.open...iv/tvurceVysledku	Petrášek, Jan Zažímalová, Eva Morris, David Elčkner, Miroslav
http://linked.open...n/vavai/riv/zamer	Physiological and genetical bases of plant development, cell cycle, morphogenesis, stress reactions and biotechnologies. Genome organisation and function
issn	0032-0935
number of pages	7 (xsd:int)

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