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Statements

Subject Item
n2:RIV%2F61389030%3A_____%2F11%3A00366038%21RIV12-AV0-61389030
rdf:type
skos:Concept n8:Vysledek
dcterms:description
Cytokinin is an important regulator of plant growth and development. In Arabidopsis thaliana, the two component phosphorelay mediated through a family of histidine kinases and response regulators is recognized as the principal cytokinin signal transduction mechanism activating the complex transcriptional response to control various developmental processes. Here, we identified an alternative mode of cytokinin action that uses endocytic trafficking as a means to direct plant organogenesis. This activity occurs downstream of known cytokinin receptors but through a branch of the cytokinin signaling pathway that does not involve transcriptional regulation. We show that cytokinin regulates endocytic recycling of the auxin efflux carrier PINFORMED1 (PIN1) by redirecting it for lytic degradation in vacuoles. Stimulation of the lytic PIN1 degradation is specific mechanism to rapidly modulate the auxin distribution in cytokinin-mediated developmental processes. Cytokinin is an important regulator of plant growth and development. In Arabidopsis thaliana, the two component phosphorelay mediated through a family of histidine kinases and response regulators is recognized as the principal cytokinin signal transduction mechanism activating the complex transcriptional response to control various developmental processes. Here, we identified an alternative mode of cytokinin action that uses endocytic trafficking as a means to direct plant organogenesis. This activity occurs downstream of known cytokinin receptors but through a branch of the cytokinin signaling pathway that does not involve transcriptional regulation. We show that cytokinin regulates endocytic recycling of the auxin efflux carrier PINFORMED1 (PIN1) by redirecting it for lytic degradation in vacuoles. Stimulation of the lytic PIN1 degradation is specific mechanism to rapidly modulate the auxin distribution in cytokinin-mediated developmental processes.
dcterms:title
Cytokinin Modulates Endocytic Trafficking of PIN1 Auxin Efflux Carrier to Control Plant Organogenesis Cytokinin Modulates Endocytic Trafficking of PIN1 Auxin Efflux Carrier to Control Plant Organogenesis
skos:prefLabel
Cytokinin Modulates Endocytic Trafficking of PIN1 Auxin Efflux Carrier to Control Plant Organogenesis Cytokinin Modulates Endocytic Trafficking of PIN1 Auxin Efflux Carrier to Control Plant Organogenesis
skos:notation
RIV/61389030:_____/11:00366038!RIV12-AV0-61389030
n8:predkladatel
n16:ico%3A61389030
n3:aktivita
n15:Z n15:P
n3:aktivity
P(IAA601630703), P(LC06034), Z(AV0Z50380511), Z(MSM0021620858), Z(MSM0021622415)
n3:cisloPeriodika
4
n3:dodaniDat
n11:2012
n3:domaciTvurceVysledku
n13:3610659 n13:5408954
n3:druhVysledku
n18:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n20:predkladatel
n3:idSjednocenehoVysledku
192633
n3:idVysledku
RIV/61389030:_____/11:00366038
n3:jazykVysledku
n19:eng
n3:klicovaSlova
auxin efflux; cytokinin; vacuoles; membrane trafficking
n3:klicoveSlovo
n4:cytokinin n4:membrane%20trafficking n4:auxin%20efflux n4:vacuoles
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[270FD6828D6A]
n3:nazevZdroje
Developmental Cell
n3:obor
n9:EB
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
11
n3:projekt
n5:IAA601630703 n5:LC06034
n3:rokUplatneniVysledku
n11:2011
n3:svazekPeriodika
21
n3:tvurceVysledku
Petrášek, Jan Benková, E. Kleine-Vehn, J. Friml, J. Bielach, A. Tanaka, H. Abas, L. Duclercq, J. Abuzeineh, A. Marhavý, P. Pařezová, Markéta
n3:wos
000296366000021
n3:zamer
n17:MSM0021622415 n17:AV0Z50380511 n17:MSM0021620858
s:issn
1534-5807
s:numberOfPages
9
n12:doi
10.1016/j.devcel.2011.08.014