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Statements

Subject Item
n2:RIV%2F61389030%3A_____%2F09%3A00328359%21RIV10-MSM-61389030
rdf:type
n7:Vysledek skos:Concept
dcterms:description
Plant development is governed by signaling molecules called phytohormones. Typically, in certain developmental processes more than 1 hormone is implicated and, thus, coordination of their overlapping activities is crucial. However, molecular mechanisms underlying the hormonal crosstalk are only poorly understood. Here we dissect the roles of cytokinin in modulating growth of the primary root. We show that cytokinin effect on root elongation occurs through ethylene signaling whereas cytokinin effect on the root meristem size involves ethylene-independent modulation of transport-dependent asymmetric auxin distribution. We propose a novel model for cytokinin action in regulating root growth: Cytokinin influences cell-to-cell auxin transport by modification of expression of several auxin transport components and thus modulates auxin distribution. Plant development is governed by signaling molecules called phytohormones. Typically, in certain developmental processes more than 1 hormone is implicated and, thus, coordination of their overlapping activities is crucial. However, molecular mechanisms underlying the hormonal crosstalk are only poorly understood. Here we dissect the roles of cytokinin in modulating growth of the primary root. We show that cytokinin effect on root elongation occurs through ethylene signaling whereas cytokinin effect on the root meristem size involves ethylene-independent modulation of transport-dependent asymmetric auxin distribution. We propose a novel model for cytokinin action in regulating root growth: Cytokinin influences cell-to-cell auxin transport by modification of expression of several auxin transport components and thus modulates auxin distribution.
dcterms:title
Cytokinin regulates root meristem activity via modulation of the polar auxin transport Cytokinin regulates root meristem activity via modulation of the polar auxin transport
skos:prefLabel
Cytokinin regulates root meristem activity via modulation of the polar auxin transport Cytokinin regulates root meristem activity via modulation of the polar auxin transport
skos:notation
RIV/61389030:_____/09:00328359!RIV10-MSM-61389030
n3:aktivita
n16:P n16:Z
n3:aktivity
P(LC06034), Z(AV0Z50380511), Z(MSM0021622415)
n3:cisloPeriodika
11
n3:dodaniDat
n9:2010
n3:domaciTvurceVysledku
n10:5408954 n10:9070796 n10:2027178
n3:druhVysledku
n12:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
308823
n3:idVysledku
RIV/61389030:_____/09:00328359
n3:jazykVysledku
n14:eng
n3:klicovaSlova
PIN expression; phytohormone signalling; root meristem; auxin transport
n3:klicoveSlovo
n13:phytohormone%20signalling n13:root%20meristem n13:PIN%20expression n13:auxin%20transport
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[7DDFD50D5BC6]
n3:nazevZdroje
Proceedings of the National Academy of Sciences of the United States of America
n3:obor
n4:ED
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
9
n3:projekt
n11:LC06034
n3:rokUplatneniVysledku
n9:2009
n3:svazekPeriodika
106
n3:tvurceVysledku
Zažímalová, Eva Růžička, K. Duclercq, J. Benková, E. Šimášková, M. Simon, Sibu Van Montagu, M. Petrášek, Jan Friml, J.
n3:wos
000264278800043
n3:zamer
n15:AV0Z50380511 n15:MSM0021622415
s:issn
0027-8424
s:numberOfPages
6