Can small-bodied Daphnia control Raphidiopsis raciborskii in eutrophic tropical lakes? A mesocosm experiment

Ferrão-Filho, Aloysio da Silva; Pereira, Uanderson J.; Vilar, Mauro Cesar Palmeira; Magalhães, Leonardo de; Marinho, Marcelo Manzi

doi:10.1007/s11356-020-09737-6

Cited by 10 publications

(7 citation statements)

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“…Compared to temperate lakes, weak top-down effects were recorded due to the presence of fish species that spawn multiple times per year, resulting in an abundance of young-of-the-year fish all year around that prey on the large-bodied zooplankton in tropical and subtropical lakes ( Liu et al, 2018 ; He et al, 2022 ), decreasing the control of large-bodied zooplankton on large-bodied zooplankton. Ferrão-Filho et al (2020) showed the control of small-bodied zooplankton by saxitoxin-producing R. raciborskii in a mesocosm study; however, they suggested that high nutrient recycling other than the grazing effect by fish might weaken zooplankton’s control on cyanobacteria in trophic areas. Taken together, these findings may partially explain why R. raciborskii is more prevalent in tropical and subtropical areas than in temperate areas.…”

Section: Discussionmentioning

confidence: 97%

“…Increasing feeding inhibition in larger body-sized animals exposed to filamentous cyanobacteria were reported (Demott et al, 2001), but the conclusion was not generally-accepted for cladocerans due to their species-specific or clone-specific sensitivities when exposed to cyanobacteria (Bednarska et al, 2014). Relatively high feeding rates of R. raciborskii were also reported in daphnids of different body sizes, e.g., 1.1 mm D. longispina and 1.4 mm D. pulicaria, 1.6 mm D. laevis and 2.5 mm D. similis (Ferrão-Filho et al, 2017;Sikora and Dawidowicz, 2017;Ferrão-Filho et al, 2020), despite feeding inhibition being previously observed in 0.6-1.3 mm D. galeata, 1.2 mm D. cucullata, 1.9 mm D. hyalina, and 2.3 mm D. pulicaria (Schoenberg and Carlson, 1984;Gliwicz and Lampert, 1990). Notably, the D. magna clone used in our study might be less sensitive to clogging, as previously described (Soares et al, 2009).…”

Section: Discussionmentioning

confidence: 99%

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Chlorella pyrenoidosa mitigated the negative effect of cylindrospermopsin-producing and non-cylindrospermopsin-producing Raphidiopsis raciborskii on Daphnia magna as a dietary supplement

Lei,

Lai,

Liu

et al. 2023

Front. Microbiol.

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Feeding effects are crucial for evaluating the capacity of zooplankton to regulate phytoplankton populations within freshwater ecosystems. To examine the impact of the bloom-forming cyanobacteria Raphidiopsis raciborskii, which occurs in tropical and subtropical freshwaters, on the growth of zooplankton Daphnia in relation to toxins, filament length and fatty acid content, we fed D. magna with R. raciborskii only (cylindrospermopsin (CYN)-producing and non-CYN-producing, as the negative controls), Chlorella pyrenoidosa only (as the positive control) and a mixed diet containing R. raciborskii (CYN-producing and non-CYN-producing) and C. pyrenoidosa. Consequently, our findings revealed that the toxic effect of CYN-producing R. raciborskii strains on Daphnia was mitigated by the coexistence of C. pyrenoidosa containing stearidonic acid (SDA, C18:4 ω3) in mixed diets. This was evident in the elevated survival rate compared that from diets containing only R. raciborskii and a significantly higher reproduction and population intrinsic increase rate compared to diets consisting of only R. raciborskii or C. pyrenoidos. Additionally, a strong positive correlation was observed between arachidonic acid (ARA, 20:4ω6) and the population intrinsic increase rate of Daphnia; notably, R. raciborskii strains were found to be rich in the ω6 polyunsaturated fatty acid ARA. These outcomes reinforce the crucial role of polyunsaturated fatty acids in predicting the population increase of crustacean zooplankton, which has long been neglected. Furthermore, our results underscore the potential effectiveness of zooplankton, particularly in temperate lakes, in controlling CYN-producing R. raciborskii populations.

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Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 99%

Chlorella pyrenoidosa mitigated the negative effect of cylindrospermopsin-producing and non-cylindrospermopsin-producing Raphidiopsis raciborskii on Daphnia magna as a dietary supplement

Lei,

Lai,

Liu

et al. 2023

Front. Microbiol.

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“…Zamora Barrios et al [ 38 ] suggested that the low bioaccumulation of cyanotoxins in cladocerans such as Bosmina in a Mexican lake is due to their inability to ingest the dominant cyanobacterial taxa, which are present as large filaments or colonies ( Planktothrix, Anabaena, Microcystis , and Cylindrospermopsis ). Some cladocerans such as Diaphanosoma and Daphnia laevis are more tolerant to cyanotoxins in their tissues than other species [ 55 , 97 , 98 ].…”

Section: Bioaccumulation Of Cyanotoxins Through the Food Chainmentioning

confidence: 99%

Experimental Studies on Zooplankton-Toxic Cyanobacteria Interactions: A Review

Nandini

2023

Toxics

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Cyanobacterial blooms have been recognized as a problem in fresh water for about 150 years. Over the past 50 years, experimental studies on the subject have gained importance considering the increasing need to control toxic cyanobacterial blooms. This article presents information on the different lines of research that have been undertaken on zooplankton–cyanobacteria interactions over the past 50 years. These include information on filtering/ingestion rates and phytoplankton preferences of small and large rotifers, cladocerans, and copepods; growth rates of zooplankton on cyanobacterial diets; feeding rates of other freshwater invertebrates on cyanobacteria; role of zooplankton in top-down biomanipulation efforts; effect of cyanotoxins on zooplankton; bioaccumulation of cyanotoxins; and physical and chemical control of cyanobacterial blooms. We also highlight measures that have led to successful lake management and improvement of water quality in selected waterbodies.

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“…As there were no nutritional limitations between the two exposure scenarios, this suggested the toxic effects of the cyanobacterium. In contrast, in a mesocosm study, Daphnia laevis (20 individuals L −1 ) reduced the biomass of STXs-producing R. raciborskii CYLCAM-2, possibly via direct ingestion or facilitation of its ingestion by other small zooplankton such as rotifers [ 166 ].…”

Section: Cyanotoxins and Interspecies Interplaymentioning

confidence: 99%

Reviewing Interspecies Interactions as a Driving Force Affecting the Community Structure in Lakes via Cyanotoxins

et al. 2021

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The escalating occurrence of toxic cyanobacterial blooms worldwide is a matter of concern. Global warming and eutrophication play a major role in the regularity of cyanobacterial blooms, which has noticeably shifted towards the predomination of toxic populations. Therefore, understanding the effects of cyanobacterial toxins in aquatic ecosystems and their advantages to the producers are of growing interest. In this paper, the current literature is critically reviewed to provide further insights into the ecological contribution of cyanotoxins in the variation of the lake community diversity and structure through interspecies interplay. The most commonly detected and studied cyanobacterial toxins, namely the microcystins, anatoxins, saxitoxins, cylindrospermopsins and β-N-methylamino-L-alanine, and their ecotoxicity on various trophic levels are discussed. This work addresses the environmental characterization of pure toxins, toxin-containing crude extracts and filtrates of single and mixed cultures in interspecies interactions by inducing different physiological and metabolic responses. More data on these interactions under natural conditions and laboratory-based studies using direct co-cultivation approaches will provide more substantial information on the consequences of cyanotoxins in the natural ecosystem. This review is beneficial for understanding cyanotoxin-mediated interspecies interactions, developing bloom mitigation technologies and robustly assessing the hazards posed by toxin-producing cyanobacteria to humans and other organisms.

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Can small-bodied Daphnia control Raphidiopsis raciborskii in eutrophic tropical lakes? A mesocosm experiment

Cited by 10 publications

References 91 publications

Chlorella pyrenoidosa mitigated the negative effect of cylindrospermopsin-producing and non-cylindrospermopsin-producing Raphidiopsis raciborskii on Daphnia magna as a dietary supplement

Chlorella pyrenoidosa mitigated the negative effect of cylindrospermopsin-producing and non-cylindrospermopsin-producing Raphidiopsis raciborskii on Daphnia magna as a dietary supplement

Experimental Studies on Zooplankton-Toxic Cyanobacteria Interactions: A Review

Reviewing Interspecies Interactions as a Driving Force Affecting the Community Structure in Lakes via Cyanotoxins

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