About: Arabidopsis exocyst subunits SEC8 and EXO70A1 and exocyst interactor ROH1 are involved in the localized deposition of seed coat pectin

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About: Arabidopsis exocyst subunits SEC8 and EXO70A1 and exocyst interactor ROH1 are involved in the localized deposition of seed coat pectin Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Polarized deposition of cell wall pectins is a key process in Arabidopsis thaliana myxospermous seed coat development. The exocyst complex has recently been shown to be involved in the regulation of cell polarity in plants. Here, we used the Arabidopsis seed coat to study the role of the exocyst in polarized pectin delivery. Using a yeast two-hybrid screen, we identified a new interactor of the exocyst subunit Exo70A1, termed Roh1. T-DNA insertions in SEC8, EXO70A1 caused deviations from normal seed coat development, in particular reduced pectin deposition. A gain-of-function mutation of ROH1 also caused reduced pectin deposition. Interestingly, we observed a systematic difference in seed coat development between primary and secondary inflorescences in wild-type plants: siliques from secondary branches produced seeds with thicker seed coats. The participation of exocyst subunits in mucilage deposition provides evidence for the role of the exocyst in polarized cell wall morphogenesis. Polarized deposition of cell wall pectins is a key process in Arabidopsis thaliana myxospermous seed coat development. The exocyst complex has recently been shown to be involved in the regulation of cell polarity in plants. Here, we used the Arabidopsis seed coat to study the role of the exocyst in polarized pectin delivery. Using a yeast two-hybrid screen, we identified a new interactor of the exocyst subunit Exo70A1, termed Roh1. T-DNA insertions in SEC8, EXO70A1 caused deviations from normal seed coat development, in particular reduced pectin deposition. A gain-of-function mutation of ROH1 also caused reduced pectin deposition. Interestingly, we observed a systematic difference in seed coat development between primary and secondary inflorescences in wild-type plants: siliques from secondary branches produced seeds with thicker seed coats. The participation of exocyst subunits in mucilage deposition provides evidence for the role of the exocyst in polarized cell wall morphogenesis. (en)
Title	Arabidopsis exocyst subunits SEC8 and EXO70A1 and exocyst interactor ROH1 are involved in the localized deposition of seed coat pectin Arabidopsis exocyst subunits SEC8 and EXO70A1 and exocyst interactor ROH1 are involved in the localized deposition of seed coat pectin (en)
skos:prefLabel	Arabidopsis exocyst subunits SEC8 and EXO70A1 and exocyst interactor ROH1 are involved in the localized deposition of seed coat pectin Arabidopsis exocyst subunits SEC8 and EXO70A1 and exocyst interactor ROH1 are involved in the localized deposition of seed coat pectin (en)
skos:notation	RIV/61389030:_____/10:00350472!RIV11-MSM-61389030
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(LC06034), P(ME 841), S, Z(AV0Z50380511), Z(MSM0021620858)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Žárský, Viktor Drdová, Edita
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	247606
http://linked.open...ai/riv/idVysledku	RIV/61389030:_____/10:00350472
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Arabidopsis; cell wall; exocyst (en)
http://linked.open.../riv/klicoveSlovo	exocyst cell wall Arabidopsis
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[BE97D5BDE841]
http://linked.open...i/riv/nazevZdroje	New Phytologist
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/ME%20841 Regulation of morphogenesis of plant cells and organs
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	188
http://linked.open...iv/tvurceVysledku	Žárský, Viktor Drdová, Edita Kulich, I. Soukup, A. Cole, R. Cvrčková, F. Fowler, J.
http://linked.open...ain/vavai/riv/wos	000282225000028
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 Signaling and cellular response mechanisms
issn	0028-646X
number of pages	11 (xsd:int)

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