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http://dx.doi.org/10.5352/JLS.2007.17.5.641

Isolation and characterization of ethyl methane sulfonate(EMS) Arabidopsis mutants capable of germination under saline conditions.  

Chung, Moon-Soo (Department of Plant Biotechnology and Agricultural Plant Stress Research Center, Chonnam National University)
Chung, Jung-Seong (Department of Plant Biotechnology and Agricultural Plant Stress Research Center, Chonnam National University)
Kim, Cheol-Soo (Department of Plant Biotechnology and Agricultural Plant Stress Research Center, Chonnam National University)
Publication Information
Journal of Life Science / v.17, no.5, 2007 , pp. 641-645 More about this Journal
Abstract
We conducted a seed germination screening under saline conditions to identify salt tolerance(sto) mutants with ethyl methane sulfonate(EMS) mutagenesis seed pool. During the screening, we identified three mutant lines that seemed to confer elevated salt tolerance in high concentrations of NaCl. At 175 mM NaCl, germination rate of sto42-14 mutant(one of the EMS salt tolerance mutants) was 7-fold higher than that of wild-type plants. Interestingly, sto42-14 mutant exhibited insensitivity to high glucose concentration and growth inhibition to gibberellin. Our results suggest that sto42-14 is involved in salt stress tolerance as well as in glucose and gibberellin response in Arabidopsis.
Keywords
Gibberellin; glucose insensitivity; salt stress; seed germination;
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