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          Institute: MPI für Pflanzenzüchtungsforschung     Collection: Dept. Molecular Plant Genetics (Heinz Saedler)     Display Documents

ID: 42401.0, MPI für Pflanzenzüchtungsforschung / Dept. Molecular Plant Genetics (Heinz Saedler)
Disruption of Arabidopsis thaliana MYB26 results in male sterility due to non-dehiscent anthers
Authors:Steiner-Lange, S.; Unte, U. S.; Eckstein, L.; Yang, C. Y.; Wilson, Z. A.; Schmelzer, E.; Dekker, K.; Saedler, H.
Date of Publication (YYYY-MM-DD):2003-05
Title of Journal:Plant Journal
Journal Abbrev.:Plant J.
Issue / Number:4
Start Page:519
End Page:528
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:A male sterile mutant with a defect in anther dehiscence was identified in an Arabidopsis thaliana population mutagenized with the Zea mays transposon En-1/Spm. Mutants produce viable pollen that can fertilize when released mechanically from the anthers. Mutant stamens are of normal size and shape, but lack cell wall fortifications in the endothecial cell layer of the anther, which are required for the dehiscence process. The mutant phenotype was shown to be caused by a transposon insertion in AtMYB26, disrupting the putative DNA-binding domain of this R2R3-type MYB transcription factor. RT-PCR revealed that expression of AtMYB26 is restricted to inflorescences. Sterility was shown to be stable under several environmental conditions. The high stability of the sterile phenotype, together with the fact that pollen is functional, makes AtMYB26 and its orthologs a valuable tool for manipulating male fertility in higher plants.
Free Keywords:MYB transcription factor; male sterility; dehiscence; ms35; Arabidopsis thaliana; anther development
Comment of the Author/Creator:Date: 2003, MAY
External Publication Status:published
Document Type:Article
Communicated by:N.N.
Affiliations:MPI für Pflanzenzüchtungsforschung
External Affiliations:Max Planck Inst Zuchtungsforsch, Zentrum Identifizierung; Genfunkt Insert Mutagenes, Carl von Linne Weg 10, D-50829; Cologne, Germany; Max Planck Inst Zuchtungsforsch, Zentrum Identifizierung Genfunkt Insert Mutagenes, D-50829 Cologne, Germany; Univ Nottingham, Sch Biosci, Loughborough LE12 5RD, Leics, England; Max Planck Inst Zuchtungsforsch, CeMic, D-50829 Cologne, Germany; Max Planck Inst Zuchtungsforsch, Abt Mol Pflanzengenet, D-50829 Cologne, Germany
Identifiers:ISI:000182785300011 [ID No:1]
ISSN:0960-7412 [ID No:2]
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