Over-expression of a truncated Arabidopsis thaliana heterotrimeric G protein gamma subunit results in a phenotype similar to alpha and beta subunit knockouts.

Abstract excerpt

Heterotrimeric G proteins (G-proteins) are a diverse class of signal transducing proteins which have been implicated in a variety of important roles in plants. When G-proteins are activated, they dissociate into two functional subunits (alpha and the betagamma dimer) that effectively relay the signal to a multitude of effectors. In animal systems, the betagamma dimer is anchored to the plasma membrane by a prenyl...

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