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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F10%3A10212480%21RIV11-MSM-15310___
rdf:type
n10:Vysledek skos:Concept
dcterms:description
Sterols accumulate in trichoblasts during the prebulging and bulge stages and tips of growing root hairs but are distributed evenly in mature root hairs. Thus, structural sterols serve as a marker for root hair initiation and growth. Filipin caused a rapid, concentration-dependent decrease in tip growth. Filipin-complexed sterols accumulated in filipin-induced apical compartments, which were closely associated with the plasma membrane. The plasma membrane was malformed and the cytoarchitecture of the tip zone was affected. Molecular markers for early endosomes, such as RabA1d and VTI12, accumulated in filipin-induced apical compartments, while late endosomes, endoplasmic reticulum, mitochondria, plastids, and cytosol were excluded from them. These data suggest that structural sterols regulate vesicular trafficking and plasma membrane properties during initiation and tip growth of Arabidopsis root hairs. Sterols accumulate in trichoblasts during the prebulging and bulge stages and tips of growing root hairs but are distributed evenly in mature root hairs. Thus, structural sterols serve as a marker for root hair initiation and growth. Filipin caused a rapid, concentration-dependent decrease in tip growth. Filipin-complexed sterols accumulated in filipin-induced apical compartments, which were closely associated with the plasma membrane. The plasma membrane was malformed and the cytoarchitecture of the tip zone was affected. Molecular markers for early endosomes, such as RabA1d and VTI12, accumulated in filipin-induced apical compartments, while late endosomes, endoplasmic reticulum, mitochondria, plastids, and cytosol were excluded from them. These data suggest that structural sterols regulate vesicular trafficking and plasma membrane properties during initiation and tip growth of Arabidopsis root hairs.
dcterms:title
Structural sterols are involved in both the initiation and tip growth of root hairs in Arabidopsis thaliana Structural sterols are involved in both the initiation and tip growth of root hairs in Arabidopsis thaliana
skos:prefLabel
Structural sterols are involved in both the initiation and tip growth of root hairs in Arabidopsis thaliana Structural sterols are involved in both the initiation and tip growth of root hairs in Arabidopsis thaliana
skos:notation
RIV/61989592:15310/10:10212480!RIV11-MSM-15310___
n4:aktivita
n18:P
n4:aktivity
P(ED0007/01/01)
n4:cisloPeriodika
9
n4:dodaniDat
n8:2011
n4:domaciTvurceVysledku
n16:4786076
n4:druhVysledku
n15:J
n4:duvernostUdaju
n13:S
n4:entitaPredkladatele
n12:predkladatel
n4:idSjednocenehoVysledku
290450
n4:idVysledku
RIV/61989592:15310/10:10212480
n4:jazykVysledku
n6:eng
n4:klicovaSlova
RabA1D; Arabidopsis; root hairs; tip growth; sterols
n4:klicoveSlovo
n7:sterols n7:root%20hairs n7:Arabidopsis n7:tip%20growth n7:RabA1D
n4:kodStatuVydavatele
US - Spojené státy americké
n4:kontrolniKodProRIV
[77888D322FB9]
n4:nazevZdroje
Plant Cell
n4:obor
n9:EB
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
7
n4:projekt
n17:ED0007%2F01%2F01
n4:rokUplatneniVysledku
n8:2010
n4:svazekPeriodika
22
n4:tvurceVysledku
Šamaj, Jozef Beck, Martina Baluška, František Lichtscheidl, Irene Derksen, Jan Ovečka, Miroslav Berson, Tobias
n4:wos
000283579800010
s:issn
1040-4651
s:numberOfPages
22
n14:organizacniJednotka
15310