ETR2 is an ETR1-like gene involved in ethylene signaling in Arabidopsis.

  title={ETR2 is an ETR1-like gene involved in ethylene signaling in Arabidopsis.},
  author={Hajime Sakai and Jian Hua and Qianhong Chen and Caren Chang and Leonard J. Medrano and Anthony B. Bleecker and Elliot M. Meyerowitz},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={95 10},
The plant hormone ethylene regulates a variety of processes of growth and development. To identify components in the ethylene signal transduction pathway, we screened for ethylene-insensitive mutants in Arabidopsis thaliana and isolated a dominant etr2-1 mutant. The etr2-1 mutation confers ethylene insensitivity in several processes, including etiolated seedling elongation, leaf expansion, and leaf senescence. Double mutant analysis indicates that ETR2 acts upstream of CTR1, which codes for a… CONTINUE READING
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