ArticleScientific reports2018
Karenia brevis allelopathy compromises the lipidome, membrane integrity, and photosynthesis of competitors.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- A catastrophic marine mortality event caused by a complex algal bloom including the brevetoxin producer Karenia cristata.Nature ecology & evolution · 2026Article
- Allelopathic Effect of a Chilean Strain ofMicroorganisms · 2024Article
- Algal blooms in the ocean: hot spots for chemically mediated microbial interactions.Nature reviews. Microbiology · 2024Review
- Allelopathy and underlying mechanism of mango (Frontiers in plant science · 2024Article
- Progress and challenges in exploring aquatic microbial communities using non-targeted metabolomics.The ISME journal · 2023Review
- Precipitation, submarine groundwater discharge of nitrogen, and red tides along the southwest Florida Gulf coast.Heliyon · 2023Article
- Allelopathy: an alternative tool for sustainable agriculture.Physiology and molecular biology of plants : an international journal of functional plant biology · 2023Review
- Article
- Microalgae show a range of responses to exometabolites of foreign species.Algal research · 2022Article
- Review
- Brevetoxin and Conotoxin Interactions with Single-Domain Voltage-Gated Sodium Channels from a Diatom and Coccolithophore.Marine drugs · 2021Article
- Essential components of the xanthophyll cycle differ in high and low toxin Karenia brevis.Harmful algae · 2021Article
- Phytotoxic Potential and Phenolic Profile of Extracts fromPlants (Basel, Switzerland) · 2021Article
- The Importance of Allelopathic PicocyanobacteriumToxins · 2020Article
- Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The formation, propagation, and maintenance of harmful algal blooms are of interest due to their negative effects on marine life and human health. Some bloom-forming algae utilize allelopathy, the release of compounds that inhibit competitors, to exclude other species dependent on a common pool of limiting resources. Allelopathy is hypothesized to affect bloom dynamics and is well established in the red tide dinoflagellate Karenia brevis. K. brevis typically suppresses competitor growth rather than being acutely toxic to other algae. When we investigated the effects of allelopathy on two competitors, Asterionellopsis glacialis and Thalassiosira pseudonana, using nuclear magnetic resonance (NMR) spectroscopy and mass spectrometry (MS)-based metabolomics, we found that the lipidomes of both species were significantly altered. However, A. glacialis maintained a more robust metabolism in response to K. brevis allelopathy whereas T. pseudonana exhibited significant alterations in lipid synthesis, cell membrane integrity, and photosynthesis. Membrane-associated lipids were significantly suppressed for T. pseudonana exposed to allelopathy such that membranes of living cells became permeable. K. brevis allelopathy appears to target lipid biosynthesis affecting multiple physiological pathways suggesting that exuded compounds have the ability to significantly alter competitor physiology, giving K. brevis an edge over sensitive species.
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