Abstract
Although many male-sterile mutants have been identified inArbidopsis thaliana, few of the corresponding genes have been cloned. In order to facilitate cloning of a male sterility gene, 23 of Feldmann's T-DNA-generated, reduced-fertility lines were screened to identify a tagged male-sterile mutation. Malesterile mutants were identified, as well as mutants that were both male and female sterile. Segregation of the kanamycin marker gene in the progeny of 15 of these lines was studied. Forty percent had functional T-DNAs (encoding resistance to kanamycin) inserted at a single locus, the remainder segregating for two or more functional T-DNA inserts. Linkage between T-DNA inserts and mutant phenotype was tested for six lines. In three of these lines, mutations were not linked to a T-DNA insert. In three lines, the mutation segregated with a T-DNA insert.
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Abbreviations
- ABRC:
-
Arabidopsis Biological Resource Center
- kan:
-
kanamycin
- kanR :
-
kanamycin resistant
- kans :
-
kanamycin sensitive
- MS:
-
Murashige-Skoog
- nos :
-
gene encoding nopaline synthase
- nptII :
-
gene encoding neomycin phosphotransferase
- PAR:
-
photosynthetically active radiation
- T-DNA:
-
transfer DNA
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Glover, J.A., Blömer, K.C., Farrell, L.B. et al. Searching for tagged male-sterile mutants of arabidopsis. Plant Mol Biol Rep 14, 330–342 (1996). https://doi.org/10.1007/BF02673365
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DOI: https://doi.org/10.1007/BF02673365