What is it about?
the role and interrelationship of heterotrimeric G protein, ethylene signaling components and hydrogen peroxide in ethylene-induced stomatal closure were studied.
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Why is it important?
The data indicate that Ga mediates ethylene-induced stomatal closure via H2O2 production, and acts downstream of RAN1, ETR1, ERS1, EIN4 and CTR1 and upstream of EIN2, EIN3 and ARR2. The data also show that ETR1 and ERS1 mediate both ethylene and H2O2 signalling in guard cells.
Perspectives
These findings will help us to further understand the ethylene, G proteins and H2O2 signalling pathways in plants.
Jun-min He
Shaanxi Normal University
Read the Original
This page is a summary of: Heterotrimeric G protein mediates ethylene-induced stomatal closure via hydrogen peroxide synthesis in Arabidopsis, The Plant Journal, March 2015, Wiley,
DOI: 10.1111/tpj.12799.
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