About: Asymmetric gibberellin signaling regulates vacuolar trafficking of PIN auxin transporters during root gravitropism

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About: Asymmetric gibberellin signaling regulates vacuolar trafficking of PIN auxin transporters during root gravitropism Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.pnas.org/content/110/9/3627
Description	Gravitropic bending of plant organs is mediated by an asymmetric signaling of the plant hormone auxin between the upper and lower side of the respective organ. Here, we show that also another plant hormone, gibberellie acid (GA), shows asymmetric action during gravitropic responses. lmmunodetection using an antibody against GA and monitoring GA signaling output by downstream degradation of DELLA proteins revealed an asymmetric GA distribution and response with the maximum at the lower side of gravistimulated roots. Genetic or pharmacological manipulation of GA levels or response affects gravity-mediated auxin redistribution and root bending response. The higher GA levels at the lower side of the root correlate with increased amounts of PIN-FORMED2 (PIN2) auxin transporter at the plasma membrane. The observed increase in PIN2 stability is caused by a specific GA effect on trafficking of PIN proteins to lytic vacuoles that presumably occurs downstream of brefeldin A-sensitive endosomes. Gravitropic bending of plant organs is mediated by an asymmetric signaling of the plant hormone auxin between the upper and lower side of the respective organ. Here, we show that also another plant hormone, gibberellie acid (GA), shows asymmetric action during gravitropic responses. lmmunodetection using an antibody against GA and monitoring GA signaling output by downstream degradation of DELLA proteins revealed an asymmetric GA distribution and response with the maximum at the lower side of gravistimulated roots. Genetic or pharmacological manipulation of GA levels or response affects gravity-mediated auxin redistribution and root bending response. The higher GA levels at the lower side of the root correlate with increased amounts of PIN-FORMED2 (PIN2) auxin transporter at the plasma membrane. The observed increase in PIN2 stability is caused by a specific GA effect on trafficking of PIN proteins to lytic vacuoles that presumably occurs downstream of brefeldin A-sensitive endosomes. (en)
Title	Asymmetric gibberellin signaling regulates vacuolar trafficking of PIN auxin transporters during root gravitropism Asymmetric gibberellin signaling regulates vacuolar trafficking of PIN auxin transporters during root gravitropism (en)
skos:prefLabel	Asymmetric gibberellin signaling regulates vacuolar trafficking of PIN auxin transporters during root gravitropism Asymmetric gibberellin signaling regulates vacuolar trafficking of PIN auxin transporters during root gravitropism (en)
skos:notation	RIV/00216224:14740/13:00075044!RIV15-MSM-14740___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0068), P(EE2.3.30.0009)
http://linked.open...iv/cisloPeriodika	9
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Friml, Jiří Zwiewka, Marta
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	Masarykova univerzita / Středoevropský technologický institut
http://linked.open...dnocenehoVysledku	62385
http://linked.open...ai/riv/idVysledku	RIV/00216224:14740/13:00075044
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	hormone cross-talk; protein stability; protein trafficking (en)
http://linked.open.../riv/klicoveSlovo	hormone cross-talk protein trafficking protein stability
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[400DD2B1167D]
http://linked.open...i/riv/nazevZdroje	Proc. Natl. Acad. Sci. U. S. A.
http://linked.open...in/vavai/riv/obor	EB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Central european institute of technology Employment of Newly Graduated Doctors of Science for Scientific Excellence
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	110
http://linked.open...iv/tvurceVysledku	Friml, Jiří Loefke, Christian Heilmann, Ingo Teichmann, Thomas Van Montagu, Marc C E Zwiewka, Marta
http://linked.open...ain/vavai/riv/wos	000315841900083
issn	0027-8424
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1073/pnas.1300107110
http://localhost/t...ganizacniJednotka	14740

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