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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F12%3A10124872%21RIV13-MSM-11310___
rdf:type
skos:Concept n13:Vysledek
rdfs:seeAlso
http://www.sciencedirect.com/science/article/pii/S0176161712002866
dcterms:description
Microtubules (MTs) are essential for many processes in plant cells. Microtubule-associated proteins (MAPs) influence microtubule polymerization dynamics and enable them to perform their functions. Molecular chaperone Hsp90 has been shown to associate with MTs in animal and plant cells. However, the role of Hsp90-MT binding in plants has not yet been investigated. Herein we show that Hsp90 associates with cortical MTs in tobacco cells and decorates MTs in phragmoplast. Further we show that tobacco Hsp90_MT binds directly to polymerized microtubules in vitro. The inhibition of Hsp90 by geldanamycin impaires severely MT re-assembly after cold-induced de-polymerization. Our results indicate that the plant Hsp90 interaction with MTs plays a key role in cellular events, where MT re-organization is needed. Microtubules (MTs) are essential for many processes in plant cells. Microtubule-associated proteins (MAPs) influence microtubule polymerization dynamics and enable them to perform their functions. Molecular chaperone Hsp90 has been shown to associate with MTs in animal and plant cells. However, the role of Hsp90-MT binding in plants has not yet been investigated. Herein we show that Hsp90 associates with cortical MTs in tobacco cells and decorates MTs in phragmoplast. Further we show that tobacco Hsp90_MT binds directly to polymerized microtubules in vitro. The inhibition of Hsp90 by geldanamycin impaires severely MT re-assembly after cold-induced de-polymerization. Our results indicate that the plant Hsp90 interaction with MTs plays a key role in cellular events, where MT re-organization is needed.
dcterms:title
Hsp90 binds microtubules and is involved in the reorganization of microtubular network in angiosperms Hsp90 binds microtubules and is involved in the reorganization of microtubular network in angiosperms
skos:prefLabel
Hsp90 binds microtubules and is involved in the reorganization of microtubular network in angiosperms Hsp90 binds microtubules and is involved in the reorganization of microtubular network in angiosperms
skos:notation
RIV/00216208:11310/12:10124872!RIV13-MSM-11310___
n13:predkladatel
n14:orjk%3A11310
n3:aktivita
n5:Z n5:S n5:P n5:I
n3:aktivity
I, P(LC06034), P(ME10111), P(MEB100904), S, Z(MSM0021620858)
n3:cisloPeriodika
14
n3:dodaniDat
n18:2013
n3:domaciTvurceVysledku
n15:6040063 n15:9607463
n3:druhVysledku
n8:J
n3:duvernostUdaju
n20:S
n3:entitaPredkladatele
n22:predkladatel
n3:idSjednocenehoVysledku
139819
n3:idVysledku
RIV/00216208:11310/12:10124872
n3:jazykVysledku
n9:eng
n3:klicovaSlova
tubulin; tobacco; microtubules; Heat-shock protein 90; cold
n3:klicoveSlovo
n7:cold n7:tobacco n7:Heat-shock%20protein%2090 n7:microtubules n7:tubulin
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[0DE4AE330737]
n3:nazevZdroje
Journal of Plant Physiology
n3:obor
n16:EB
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
4
n3:projekt
n4:LC06034 n4:ME10111 n4:MEB100904
n3:rokUplatneniVysledku
n18:2012
n3:svazekPeriodika
169
n3:tvurceVysledku
Krtková, Jana Schwarzerová, Kateřina Nick, Peter Zimmermann, Aleksandra
n3:wos
000310407800001
n3:zamer
n21:MSM0021620858
s:issn
0176-1617
s:numberOfPages
11
n6:doi
10.1016/j.jplph.2012.06.010
n12:organizacniJednotka
11310