Abstract
Several mutants have been isolated at the Arabidopsis thaliana (L.) Heynh. alcohol dehydrogenase (ADH) gene locus using allyl alcohol selection on ethyl methanesulfonate (EMS)-mutagenized seeds. Eleven mutants were isolated in the ADH1-A electrophoretic allele, and 21 in the ADH1-S allele. These null mutants are characterized by the absence of measurable ADH activity and genetic data showed that the mutations were confined to the ADH1 gene locus of Arabidopsis. Eleven mutants in the ADH1-A background were further characterized at the protein and mRNA level. These experiments revealed striking differences in the ADH protein and mRNA content. Some of the mutants did not synthesize any mRNA or ADH-like protein, whereas some of them had a nearly normal level of ADH protein and mRNA. Others had a very low level of both protein and mRNA. ADH null mutants differed physiologically from the wild type by their higher sensitivity to anaerobic treatment in plants and significantly reduced resistance to acetaldehyde in suspension cultures.
MeSH Terms
1-Propanol/pharmacology
Alcohol Dehydrogenase/genetics
Crosses, Genetic
Ethyl Methanesulfonate/pharmacology
Genes
Mutation
Nucleic Acid Hybridization
Plants/drug effects,enzymology,genetics
Propanols
RNA, Messenger/genetics
Chemicals
Propanols
RNA, Messenger
allyl alcohol
1-Propanol
Ethyl Methanesulfonate
Alcohol Dehydrogenase
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Jacobs M
Laboratory of Plant Genetics, Free University of Brussels, Belgium.
Dolferus R
Van den Bossche D
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