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A sex-inducing pheromone triggers cell cycle arrest and mate attraction in the diatom Seminavis robusta

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Abstract
Although sexual reproduction is believed to play a major role in the high diversification rates and species richness of diatoms, a mechanistic understanding of diatom life cycle control is virtually lacking. Diatom sexual signalling is controlled by a complex, yet largely unknown, pheromone system. Here, a sex-inducing pheromone (SIP+) of the benthic pennate diatom Seminavis robusta was identified by comparative metabolomics, subsequently purified, and physicochemically characterized. Transcriptome analysis revealed that SIP+ triggers the switch from mitosis-to-meiosis in the opposing mating type, coupled with the transcriptional induction of proline biosynthesis genes, and the release of the proline-derived attraction pheromone. The induction of cell cycle arrest by a pheromone, chemically distinct from the one used to attract the opposite mating type, highlights the existence of a sophisticated mechanism to increase chances of mate finding, while keeping the metabolic losses associated with the release of an attraction pheromone to a minimum.
Keywords
GUANYLYL CYCLASES, MATING SYSTEM, CD-HIT, GENOME, GENE, IDENTIFICATION, RECOMBINATION, REPRODUCTION, MEIOSIS, DIFFERENTIAL EXPRESSION ANALYSIS

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MLA
Moeys, Sara, et al. “A Sex-Inducing Pheromone Triggers Cell Cycle Arrest and Mate Attraction in the Diatom Seminavis Robusta.” SCIENTIFIC REPORTS, vol. 6, 2016, doi:10.1038/srep19252.
APA
Moeys, S., Frenkel, J., Lembke, C., Gillard, J., Devos, V., Van den Berge, K., … Vyverman, W. (2016). A sex-inducing pheromone triggers cell cycle arrest and mate attraction in the diatom Seminavis robusta. SCIENTIFIC REPORTS, 6. https://doi.org/10.1038/srep19252
Chicago author-date
Moeys, Sara, Johannes Frenkel, Christine Lembke, Jeroen Gillard, Valerie Devos, Koen Van den Berge, Barbara Bouillon, et al. 2016. “A Sex-Inducing Pheromone Triggers Cell Cycle Arrest and Mate Attraction in the Diatom Seminavis Robusta.” SCIENTIFIC REPORTS 6. https://doi.org/10.1038/srep19252.
Chicago author-date (all authors)
Moeys, Sara, Johannes Frenkel, Christine Lembke, Jeroen Gillard, Valerie Devos, Koen Van den Berge, Barbara Bouillon, Marie Huysman, Sam De Decker, Julia Scharf, Atle Bones, Tore Brembu, Per Winge, Koen Sabbe, Marnik Vuylsteke, Lieven Clement, Lieven De Veylder, Georg Pohnert, and Wim Vyverman. 2016. “A Sex-Inducing Pheromone Triggers Cell Cycle Arrest and Mate Attraction in the Diatom Seminavis Robusta.” SCIENTIFIC REPORTS 6. doi:10.1038/srep19252.
Vancouver
1.
Moeys S, Frenkel J, Lembke C, Gillard J, Devos V, Van den Berge K, et al. A sex-inducing pheromone triggers cell cycle arrest and mate attraction in the diatom Seminavis robusta. SCIENTIFIC REPORTS. 2016;6.
IEEE
[1]
S. Moeys et al., “A sex-inducing pheromone triggers cell cycle arrest and mate attraction in the diatom Seminavis robusta,” SCIENTIFIC REPORTS, vol. 6, 2016.
@article{7081839,
  abstract     = {{Although sexual reproduction is believed to play a major role in the high diversification rates and species richness of diatoms, a mechanistic understanding of diatom life cycle control is virtually lacking. Diatom sexual signalling is controlled by a complex, yet largely unknown, pheromone system. Here, a sex-inducing pheromone (SIP+) of the benthic pennate diatom Seminavis robusta was identified by comparative metabolomics, subsequently purified, and physicochemically characterized. Transcriptome analysis revealed that SIP+ triggers the switch from mitosis-to-meiosis in the opposing mating type, coupled with the transcriptional induction of proline biosynthesis genes, and the release of the proline-derived attraction pheromone. The induction of cell cycle arrest by a pheromone, chemically distinct from the one used to attract the opposite mating type, highlights the existence of a sophisticated mechanism to increase chances of mate finding, while keeping the metabolic losses associated with the release of an attraction pheromone to a minimum.}},
  articleno    = {{19252}},
  author       = {{Moeys, Sara and Frenkel, Johannes and Lembke, Christine and Gillard, Jeroen and Devos, Valerie and Van den Berge, Koen and Bouillon, Barbara and Huysman, Marie and De Decker, Sam and Scharf, Julia and Bones, Atle and Brembu, Tore and Winge, Per and Sabbe, Koen and Vuylsteke, Marnik and Clement, Lieven and De Veylder, Lieven and Pohnert, Georg and Vyverman, Wim}},
  issn         = {{2045-2322}},
  journal      = {{SCIENTIFIC REPORTS}},
  keywords     = {{GUANYLYL CYCLASES,MATING SYSTEM,CD-HIT,GENOME,GENE,IDENTIFICATION,RECOMBINATION,REPRODUCTION,MEIOSIS,DIFFERENTIAL EXPRESSION ANALYSIS}},
  language     = {{eng}},
  pages        = {{13}},
  title        = {{A sex-inducing pheromone triggers cell cycle arrest and mate attraction in the diatom Seminavis robusta}},
  url          = {{http://doi.org/10.1038/srep19252}},
  volume       = {{6}},
  year         = {{2016}},
}

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