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Article

Gγ1+Gγ2+Gγ3=Gβ: the search for heterotrimeric G-protein γ subunits in Arabidopsis is over.

Journal of plant physiology - 15 Mar 2012

Thung Leena, Trusov Yuri, Chakravorty David, Botella José Ramón

Abstract excerpt

In Arabidopsis, heterotrimeric G-proteins consist of one Gα (GPA1), one Gβ (AGB1) and three Gγ (AGG1, AGG2 and AGG3) subunits. Gβ and Gγ subunits function as obligate heterodimers, therefore any phenotypes observed in Gβ-deficient mutants should be apparent in Gγ-deficient mutants. Nevertheless, the first two Gγ subunits discovered failed to explain many of the phenotypes shown by the agb1 mutants in Arabidopsis,...

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PMID: 22209167
DOI: 10.1016/j.jplph.2011.11.010

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