Effect of vertebrate and invertebrate kairomones on the life history of Daphnia magna Straus (Crustacea: Branchiopoda)

Chakri, Khemissa; Touati, Laïd; Alfarhan, Ahmed H.; Al-Rasheid, Khaled A. S.; Samraoui, Boudjéma

doi:10.1016/j.crvi.2010.09.004

Cited by 11 publications

(6 citation statements)

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“…Changes in life-history, comprising, e.g., size at first reproduction (SFR), age of maturation, number and size of offspring, production of resting eggs, and longevity, are well-known inducible defences in many zooplankton species (e.g., [99,120,[181][182][183][184]). Thus, functionally oriented response patterns, such as a change in SFR, are often combined with other (e.g., morphological) predator-induced defences.…”

Section: Life-history Defencesmentioning

confidence: 99%

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Knowing the Enemy: Inducible Defences in Freshwater Zooplankton

et al. 2020

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Phenotypic plasticity in defensive traits is an appropriate mechanism to cope with the variable hazard of a frequently changing predator spectrum. In the animal kingdom these so-called inducible defences cover the entire taxonomic range from protozoans to vertebrates. The inducible defensive traits range from behaviour, morphology, and life-history adaptations to the activation of specific immune systems in vertebrates. Inducible defences in prey species play important roles in the dynamics and functioning of food webs. Freshwater zooplankton show the most prominent examples of inducible defences triggered by chemical cues, so-called kairomones, released by predatory invertebrates and fish. The objective of this review is to highlight recent progress in research on inducible defences in freshwater zooplankton concerning behaviour, morphology, and life-history, as well as difficulties of studies conducted in a multipredator set up. Furthermore, we outline costs associated with the defences and discuss difficulties as well as the progress made in characterizing defence-inducing cues. Finally, we aim to indicate further possible routes in this field of research and provide a comprehensive table of inducible defences with respect to both prey and predator species.

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Section: Life-history Defencesmentioning

confidence: 99%

“…x x x [192,193] x x x [232] Chaoborus crystallinus x x x [241] x x x [96] Chaoborus obscuripes x x x [241] Danio rerio x x x [96] Fish x x x x x [124] x x x [188] Gambusia holbrooki x x x [183] Gasterosteus aculeatus x x x x [99] Ischnura elegans x n.a. n.a.…”

Section: Daphnia Longispinamentioning

confidence: 99%

Knowing the Enemy: Inducible Defences in Freshwater Zooplankton

et al. 2020

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“…Daphnia magna is a small and rapidly reproducing aquatic invertebrate organism and has been a well-established model species for ecotoxicity studies. Several studies have reported that daphnids can respond to various factors, such as temperature, photoperiod, food supply, and toxicants [9][10][11]. The toxicity tests of D. magna are reliable and D. magna-based bioassay is legally adopted in many countries [12].…”

Section: Introductionmentioning

confidence: 99%

Multiple Screening of Pesticides Toxicity in Zebrafish and Daphnia Based on Locomotor Activity Alterations

et al. 2020

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Pesticides are widely used to eradicate insects, weed species, and fungi in agriculture. The half-lives of some pesticides are relatively long and may have the dire potential to induce adverse effects when released into the soil, terrestrial and aquatic systems. To assess the potential adverse effects of pesticide pollution in the aquatic environment, zebrafish (Danio rerio) and Daphnia magna are two excellent animal models because of their transparent bodies, relatively short development processes, and well-established genetic information. Moreover, they are also suitable for performing high-throughput toxicity assays. In this study, we used both zebrafish larvae and water flea daphnia neonates as a model system to explore and compare the potential toxicity by monitoring locomotor activity. Tested animals were exposed to 12 various types of pesticides (three fungicides and 9 insecticides) for 24 h and their corresponding locomotor activities, in terms of distance traveled, burst movement, and rotation were quantified. By adapting principal component analysis (PCA) and hierarchical clustering analysis, we were able to minimize data complexity and compare pesticide toxicity based on locomotor activity for zebrafish and daphnia. Results showed distinct locomotor activity alteration patterns between zebrafish and daphnia towards pesticide exposure. The majority of pesticides tested in this study induced locomotor hypo-activity in daphnia neonates but triggered locomotor hyper-activity in zebrafish larvae. According to our PCA and clustering results, the toxicity for 12 pesticides was grouped into two major groups based on all locomotor activity endpoints collected from both zebrafish and daphnia. In conclusion, all pesticides resulted in swimming alterations in both animal models by either producing hypo-activity, hyperactivity, or other changes in swimming patterns. In addition, zebrafish and daphnia displayed distinct sensitivity and response against different pesticides, and the combinational analysis approach by using a phenomic approach to combine data collected from zebrafish and daphnia provided better resolution for toxicological assessment.

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“…Notonectids may suffer from a lack of large zooplankton prey, but may also fall prey to fish or avoid habitats with predatory fish via adult dispersal (Cook and Streams 1984;McCauley and Rowe 2010). Lastly, fish and notonectids may also indirectly influence zooplankton's life history traits through the release of kairomones and thus alter prey dynamics (Chakri et al 2010). All these factors may have led to the decimation of Notonecta species in the study ponds.…”

Section: Invasive Fishmentioning

confidence: 99%