Ecotype-Specific Expression of a Flowering Mutant Phenotype in Arabidopsis thaliana |
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Authors: | Sanda S. L. Amasino R. M. |
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Affiliation: | Department of Biochemistry, University of Wisconsin, Madison, Wisconsin 53706-1569. |
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Abstract: | The majority of mutations that delay flowering in Arabidopsis thaliana have been identified in studies of the Landsberg erecta (Ler) ecotype. In this report we describe a gene (referred to as FLD) that, when mutated, delays flowering in the Columbia ecotype but has a minimal phenotype in the Ler genetic background. The late-flowering phenotype of fld mutants requires a non-Ler allele of another gene involved in the control of flowering time, Flowering Locus C. fld mutants retain a photoperiod response, and the flowering time of fld mutants can be reduced by cold treatment and low red/far-red light ratios. |
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