Characterization of two SEPALLATA MADS-box genes from the dioecious plant Silene latifolia

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2004
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Matsunaga, Sachihiro
Uchida, Wakana
Kejnovsky, Eduard
Moneger, Francoise
Vyskot, Boris
Kawano, Shigeyuki
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Sexual Plant Reproduction. 2004, 17(4), pp. 189-193. ISSN 0934-0882. eISSN 1432-2145. Available under: doi: 10.1007/s00497-004-0230-z
Zusammenfassung

TwoSEPALLATAorthologs,SlSEP1andSlSEP3, were isolated from male flower buds of the dioecious plantSilene latifolia. Both genes are located on autosomes and not on the sex chromosomes.SlSEP1andSlSEP3transcripts were detected specifically in male and female flower buds. Quantitative RT-PCR and in situ hybridization revealed that both genes were expressed in young flower meristems, developing petals, male anthers, and female ovules. However, neither transcript was detected in suppressed gynoecia of male flower buds or suppressed anthers of female flower buds. The genes were differentially expressed during anther development, with theSlSEP1transcript accumulating in anther walls and tapetal cells, and theSlSEP3transcript accumulating in tetrads as well as anther walls and tapeta. Transcripts of both genes were also detected in flower buds of mutants with deletions of some parts of the Y chromosome, suggesting that neither gene is directly involved in sex determination.

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570 Biowissenschaften, Biologie
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Dioecious plant; Ovule; Petal; Pollen grains; SEPALLATA
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ISO 690MATSUNAGA, Sachihiro, Wakana UCHIDA, Eduard KEJNOVSKY, Erika ISONO, Francoise MONEGER, Boris VYSKOT, Shigeyuki KAWANO, 2004. Characterization of two SEPALLATA MADS-box genes from the dioecious plant Silene latifolia. In: Sexual Plant Reproduction. 2004, 17(4), pp. 189-193. ISSN 0934-0882. eISSN 1432-2145. Available under: doi: 10.1007/s00497-004-0230-z
BibTex
@article{Matsunaga2004-12Chara-42183,
  year={2004},
  doi={10.1007/s00497-004-0230-z},
  title={Characterization of two SEPALLATA MADS-box genes from the dioecious plant Silene latifolia},
  number={4},
  volume={17},
  issn={0934-0882},
  journal={Sexual Plant Reproduction},
  pages={189--193},
  author={Matsunaga, Sachihiro and Uchida, Wakana and Kejnovsky, Eduard and Isono, Erika and Moneger, Francoise and Vyskot, Boris and Kawano, Shigeyuki}
}
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