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Bolet%C3%ADn-63-Julio-2016
Bolet%C3%ADn-63-Julio-2016
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localizaciones celulares (membrana, citosol, RE,<br />
núcleo). Por si fuera poco, gracias a una<br />
colaboración con la Universidad de Pekín, hemos<br />
descubierto que también las PP2Cs son sujetas a<br />
ubiquitilación y degradación proteolítica por<br />
dif erentes E3 ligasas (Xu et al., env iado). Ello<br />
complementará la actual v isión de la ruta de ABA y<br />
expandirá el papel de los receptores de ABA, que<br />
además de inhibir bioquímicamente a las PP2Cs,<br />
promuev en su ubiquitilación y degradación. Pero<br />
esto será el tema de otra puesta al día.<br />
Referencias<br />
Antoni,R., Gonzalez-Guzman,M., Rodriguez,L.,<br />
Rodrigues,A., Pizzio,G.A. and<br />
Rodriguez,P.L. (2012). Selective Inhibition<br />
of Clade A Phosphatases Ty pe 2C by<br />
PYR/PYL/RCAR Abscisic Acid Receptors.<br />
Plant Physiol 158, 970-980.<br />
Antoni,R., Gonzalez-Guzman,M., Rodriguez,L.,<br />
Peirats-Llobet,M.,<br />
Pizzio,G.A.,<br />
Fernandez,M.A., De Winne,N., De<br />
Jaeger,G., Dietrich,D., Bennett,M.J. and<br />
Rodriguez,P.L. (2013). PYRABACTIN<br />
RESISTANCE1-LIKE8 plays an important<br />
role f or the regulation of abscisic acid<br />
signaling in root. Plant Physiol 161, 931-941.<br />
Bueso,E., Rodriguez,L., Lorenzo-Orts,L.,<br />
Gonzalez-Guzman,M., Sayas,E., Munoz-<br />
Bertomeu,J., Ibanez,C., Serrano,R. and<br />
Rodriguez,P.L. (2014). The single-subunit<br />
RING-ty pe E3 ubiquitin ligase RSL1 targets<br />
PYL4 and PYR1 ABA receptors in plasma<br />
membrane to modulate abscisic acid<br />
signaling. Plant J. 80, 1057-1071.<br />
Cutler,S.R., Rodriguez,P.L., Finkelstein,R.R. and<br />
Abrams,S.R. (2010). Abscisic acid:<br />
emergence of a core signaling network.<br />
Annu. Rev. Plant Biol. 61, 651-679.<br />
Diaz,M., Sanchez-Barrena,M.J., Gonzalez-<br />
Rubio,J.M., Rodriguez,L., Fernandez,D.,<br />
Antoni,R., Yunta,C., Belda-Palazon,B.,<br />
Gonzalez-Guzman,M., Peirats-Llobet,M.,<br />
Menendez,M., Boskovic,J., Marquez,J.A.,<br />
Rodriguez,P.L. and Albert,A. (2016).<br />
Calcium-dependent oligomerization of CAR<br />
proteins at cell membrane modulates ABA<br />
signaling. Proc. Natl. Acad. Sci. U. S. A 113,<br />
E396-E405.<br />
Dupeux,F., Antoni,R., Betz,K., Santiago,J.,<br />
Gonzalez-Guzman,M., Rodriguez,L.,<br />
Rubio,S., Park,S.Y., Cutler,S.R.,<br />
Rodriguez,P.L. and Marquez,J.A. (2011).<br />
Modulation of Abscisic Acid Signaling in Vivo<br />
by an Engineered Receptor-Insensitive<br />
Protein Phosphatase Ty pe 2C Allele. Plant<br />
Physiol 156, 106-116.<br />
Dupeux,F., Santiago,J., Betz,K., Twycross,J.,<br />
Park,S.Y., Rodriguez,L., Gonzalez-<br />
Guzman,M., Jensen,M.R., Krasnogor,N.,<br />
Blackledge,M.,<br />
Holdsworth,M.,<br />
Cutler,S.R., Rodriguez,P.L. and<br />
Marquez,J.A. (2011). A thermodynamic<br />
switch modulates abscisic acid receptor<br />
sensitivity. EMBO J. 30, 4171-4184.<br />
Fujii,H., Chinnusamy,V., Rodrigues,A., Rubio,S.,<br />
Antoni,R., Park,S.Y., Cutler,S.R.,<br />
Sheen,J., Rodriguez,P.L. and Zhu,J.K.<br />
(2009). In vitro reconstitution of an abscisic<br />
acid signalling pathway . Nature 462, 660-<br />
664.<br />
Gao,Y., Zeng,Q., Guo,J., Cheng,J., Ellis,B.E. and<br />
Chen,J.G. (2007). Genetic characterization<br />
rev eals no role f or the reported ABA<br />
receptor, GCR2, in ABA control of seed<br />
germination and early seedling dev elopment<br />
in Arabidopsis. Plant J. 52, 1001-1013.<br />
Geiger,D., Scherzer,S., Mumm,P., Stange,A.,<br />
Marten,I., Bauer,H., Ache,P., Matschi,S.,<br />
Liese,A., Al Rasheid,K.A., Romeis,T. and<br />
Hedrich,R. (2009). Activity of guard cell<br />
anion channel SLAC1 is controlled by<br />
drought-stress signaling kinase-phosphatase<br />
pair. Proc. Natl. Acad. Sci. U. S. A 106,<br />
21425-21430<br />
Gonzalez-Guzman,M., Apostolova,N., Belles,J.M.,<br />
Barrero,J.M., Piqueras,P., Ponce,M.R.,<br />
Micol,J.L., Serrano,R. and Rodriguez,P.L.<br />
(2002). The short-chain alcohol<br />
dehy drogenase ABA2 cataly zes the<br />
conv ersion of xanthoxin to abscisic<br />
aldehy de. Plant Cell 14, 1833-1846.<br />
Gonzalez-Guzman,M., Pizzio,G.A., Antoni,R.,<br />
Vera-Sirera,F., Merilo,E., Bassel,G.W.,<br />
Fernandez,M.A., Holdsworth,M.J., Perez-<br />
Amador,M.A., Kollist,H. and<br />
Rodriguez,P.L. (2012). Arabidopsis<br />
PYR/PYL/RCAR Receptors Play a Major<br />
Role in Quantitative Regulation of Stomatal<br />
Aperture and Transcriptional Response to<br />
Abscisic Acid. Plant Cell 24, 2483-2496.<br />
Guo,J., Zeng,Q., Emami,M., Ellis,B.E. and<br />
Chen,J.G. (2008). The GCR2 gene family is<br />
not required for ABA control of seed<br />
germination and early seedling<br />
dev elopment in Arabidopsis. PLoS. One. 3,<br />
e2982.<br />
Han,S.K., Sang,Y., Rodrigues,A., Wu,M.F.,<br />
Rodriguez,P.L. and Wagner,D. (2012). The<br />
SWI2/SNF2 chromatin remodeling ATPase<br />
BRAHMA represses abscisic acid responses<br />
in the absence of the stress stimulus in<br />
Arabidopsis. Plant Cell 24, 4892-4906.<br />
Irigoyen,M.L., Iniesto,E., Rodriguez,L., Puga,M.I.,<br />
Yanagawa,Y., Pick,E., Strickland,E., Paz-<br />
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