A strong constitutive ethylene-response phenotype conferred on Arabidopsis plants containing null mutations in the ethylene receptors <Emphasis Type="Italic">ETR1</Emphasis> and <Emphasis Type="Italic">ERS1</Emphasis> |
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| Authors: | Xiang Qu Brenda P Hall Zhiyong Gao G Eric Schaller |
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| Institution: | (1) Department of Biochemistry, University of New Hampshire, Durham, NH 03824, USA;(2) Department of Biological Sciences, Dartmouth College, Hanover, NH 03755, USA;(3) Current affiliation : California Institute of Technology, Biology Dept., Pasadena, CA 91125, USA |
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| Abstract: | Background The ethylene receptor family of Arabidopsis consists of five members, falling into two subfamilies. Subfamily 1 is composed
of ETR1 and ERS1, and subfamily 2 is composed of ETR2, ERS2, and EIN4. Although mutations have been isolated in the genes
encoding all five family members, the only previous insertion allele of ERS1 (ers1-2) is a partial loss-of-function mutation based on our analysis. The purpose of this study was to determine the extent of signaling
mediated by subfamily-1 ethylene receptors through isolation and characterization of null mutations. |
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