Journal ArticleDOI
Allelopathy in freshwater cyanobacteria
TLDR
The role of allelopathy in cyanobacteria ecology is still not well understood, and its clarification should benefit from carefully designed field studies, chemical characterization of allelochemicals and new methodological approaches at the “omics” level.Abstract:
Freshwater cyanobacteria produce several bioactive secondary metabolites with diverse chemical structure, which may achieve high concentrations in the aquatic medium when cyanobacterial blooms occur. Some of the compounds released by cyanobacteria have allelopathic properties, influencing the biological processes of other phytoplankton or aquatic plants. These kinds of interactions are more easily detectable under laboratory studies; however their ecological relevance is often debated. Recent research has discovered new allelopathic properties in some cyanobacteria species, new allelochemicals and elucidated some of the allelopathic mechanisms. Ecosystem-level approaches have shed some light on the factors that influence allelopathic interactions, as well as how cyanobacteria may be able to modulate their surrounding environment by means of allelochemical release. Nevertheless, the role of allelopathy in cyanobacteria ecology is still not well understood, and its clarification should benefit from carefully designed field studies, chemical characterization of allelochemicals and new methodological approaches at the "omics" level.read more
Citations
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Journal ArticleDOI
A less saline Baltic Sea promotes cyanobacterial growth, hampers intracellular microcystin production, and leads to strain-specific differences in allelopathy.
TL;DR: It is concluded that decreasing salinity is likely to result in a more favourable environment for Dolichospermum spp.
Journal ArticleDOI
Cyanobacterial blooms modify food web structure and interactions in western Lake Erie.
TL;DR: It is shown that cyanobacterial blooms can strongly affect the distribution, composition, and interactions of zooplankton and fish, sometimes in surprising ways, highlighting the need to further explore their impact on aquatic food webs.
Journal ArticleDOI
Grazer-induced morphological defense in Scenedesmus obliquus is affected by competition against Microcystis aeruginosa.
TL;DR: S. obliquus exhibited different responses to potential grazing pressure under different intensities of competition, i.e., Scenedesmus morphological response to grazing infochemicals was affected by competition against Microcystis.
Journal ArticleDOI
The current state of knowledge on taxonomy, modulating factors, ecological roles, and mode of action of phytoplankton allelochemicals
Sylwia Śliwińska-Wilczewska,Kinga Wiśniewska,Zofia Konarzewska,Agata Cieszyńska,Aldo Barreiro Felpeto,Anita Urszula Lewandowska,Adam Latała +6 more
TL;DR: This review focuses on a taxonomic overview of allelopathic cyanobacteria and microalgae, the biological and environmental factors that affect allelochemical production, their role in ecological dynamics, and their physiological modes of action, as well as potential industrial applications of allelelopathic compounds.
References
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Journal ArticleDOI
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Robert H. Whittaker,Paul Feeny +1 more
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