ArticleThe ISME journal2019
Decision-making of the benthic diatom Seminavis robusta searching for inorganic nutrients and pheromones.
Article in The ISME journal, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Recent Advances in Understanding the Sex Pheromone-Mediated Communication of Diatoms.ChemPlusChem · 2025Review
- Functional morphology of gliding motility in benthic diatoms.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Seafloor primary production in a changing Arctic Ocean.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Light intensity and spectral composition drive reproductive success in the marine benthic diatom Seminavis robusta.Scientific reports · 2021Article
- Pheromone Mediated Sexual Reproduction of Pennate Diatom Cylindrotheca closterium.Journal of chemical ecology · 2021Article
- An optimised method for intact nuclei isolation from diatoms.Scientific reports · 2021Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Microorganisms encounter a diversity of chemical stimuli that trigger individual responses and influence population dynamics. However, microbial behavior under the influence of different incentives and microbial decision-making is poorly understood. Benthic marine diatoms that react to sexual attractants as well as to nutrient gradients face such multiple constraints. Here, we document and model behavioral complexity and context-sensitive responses of these motile unicellular algae to sex pheromones and the nutrient silicate. Throughout the life cycle of the model diatom Seminavis robusta nutrient-starved cells localize sources of silicate by combined chemokinetic and chemotactic motility. However, with an increasing need for sex to restore the initial cell size, a change in behavior favoring the attraction-pheromone-guided search for a mating partner takes place. When sex becomes inevitable to prevent cell death, safeguard mechanisms are abandoned, and cells prioritize the search for mating partners. Such selection processes help to explain biofilm organization and to understand species interactions in complex communities.
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Registered trials
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