About: Oscillatory Chloride Efflux at the Pollen Tube Apex Has a Role in Growth and Cell Volume Regulation and Is Targeted by lnositol 3,4,5,6-Tetrakisphosphate.

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About: Oscillatory Chloride Efflux at the Pollen Tube Apex Has a Role in Growth and Cell Volume Regulation and Is Targeted by lnositol 3,4,5,6-Tetrakisphosphate. 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)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Oscillatory growth of pollen tubes has been correlated with oscillatory influxes of the cations Ca2+, H+, and K+. Using an ion-specific vibrating probe, a new circuit was identified that involves oscillatory efflux of the anion Cl - at the apex and steady influx along the tube starting at 12 (j.m distal to the tip. This spatial coupling of influx and efflux sites predicts that a vectorial flux of Cl~ ion traverses the apical region. The Cl~ channel blockers 4,4'-diisothiocyanatostilbene-2,2'-disulfonic acid (DIDS) and 5-nitro-2-(3-phenylpropylamino)benzoic acid completely inhibited tobacco pollen tube growth at 80 and 20 (xM, respectively. Cl~ channel blockers also induced increases in apical cell volume. The apical 50 (Jim of untreated pollen tubes had a mean cell volume of 3905 75 \|xm3. DIDS at 80 \|j.M caused a rapid and lethal cell volume increase to 6206 171 (j.m3, which is at the point of cell bursting at the apex. DIDS was further demonstrated to disrupt Cl~ efflux from the apex, indicating t Oscillatory growth of pollen tubes has been correlated with oscillatory influxes of the cations Ca2+, H+, and K+. Using an ion-specific vibrating probe, a new circuit was identified that involves oscillatory efflux of the anion Cl - at the apex and steady influx along the tube starting at 12 (j.m distal to the tip. This spatial coupling of influx and efflux sites predicts that a vectorial flux of Cl~ ion traverses the apical region. The Cl~ channel blockers 4,4'-diisothiocyanatostilbene-2,2'-disulfonic acid (DIDS) and 5-nitro-2-(3-phenylpropylamino)benzoic acid completely inhibited tobacco pollen tube growth at 80 and 20 (xM, respectively. Cl~ channel blockers also induced increases in apical cell volume. The apical 50 (Jim of untreated pollen tubes had a mean cell volume of 3905 75 \|xm3. DIDS at 80 \|j.M caused a rapid and lethal cell volume increase to 6206 171 (j.m3, which is at the point of cell bursting at the apex. DIDS was further demonstrated to disrupt Cl~ efflux from the apex, indicating t (en)
Title	Oscillatory Chloride Efflux at the Pollen Tube Apex Has a Role in Growth and Cell Volume Regulation and Is Targeted by lnositol 3,4,5,6-Tetrakisphosphate. Oscillatory Chloride Efflux at the Pollen Tube Apex Has a Role in Growth and Cell Volume Regulation and Is Targeted by lnositol 3,4,5,6-Tetrakisphosphate. (en)
skos:prefLabel	Oscillatory Chloride Efflux at the Pollen Tube Apex Has a Role in Growth and Cell Volume Regulation and Is Targeted by lnositol 3,4,5,6-Tetrakisphosphate. Oscillatory Chloride Efflux at the Pollen Tube Apex Has a Role in Growth and Cell Volume Regulation and Is Targeted by lnositol 3,4,5,6-Tetrakisphosphate. (en)
skos:notation	RIV/61389030:_____/02:56023023!RIV/2003/AV0/A56003/N
http://linked.open.../vavai/riv/strany	2233;2249
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(LN00A081), Z(AV0Z5038910)
http://linked.open...iv/cisloPeriodika	N/A
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	Zonia, Laura Tupý, Jaroslav
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	657460
http://linked.open...ai/riv/idVysledku	RIV/61389030:_____/02:56023023
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Volume Regulation; Chloride Efflux; lnositol (en)
http://linked.open.../riv/klicoveSlovo	Chloride Efflux Volume Regulation lnositol
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[2780CBC0FB78]
http://linked.open...i/riv/nazevZdroje	Plant Cell
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	2 (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	Signaling pathways in plants
http://linked.open...UplatneniVysledku	2002
http://linked.open...v/svazekPeriodika	14
http://linked.open...iv/tvurceVysledku	Tupý, Jaroslav Zonia, Laura Cordeiro, S. Feijó, J.
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	1040-4651
number of pages	17 (xsd:int)

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