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A Brassica napus mRNA expressed specifically in developing microspores

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>08/1991
<mark>Journal</mark>Plant Molecular Biology
Issue number2
Number of pages5
Pages (from-to)295-299
<mark>Original language</mark>English


The I3 cDNA isolated from a library made from 2–4 mm (immature) anthers of Brassica napus shows microspore-specific expression. Homologous transcripts are detected in buds and anthers of male-fertile plants, but not in green tissues, roots, or in cytoplasmic male-sterile buds. High expression of the transcript is limited to microspores entering and undergoing mitosis. The predicted peptide sequence of the cDNA shows an unusual repeated alanine/proline motif at the C-terminus, which may be of importance in the native protein structure.