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Cheron M, Kato A, Ropert-Coudert Y, Meyer X, MacIntosh AJJ, Raoelison L, Brischoux F. Exposure, but not timing of exposure, to a sulfonylurea herbicide alters larval development and behaviour in an amphibian species. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 254:106355. [PMID: 36446167 DOI: 10.1016/j.aquatox.2022.106355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 11/10/2022] [Accepted: 11/13/2022] [Indexed: 06/16/2023]
Abstract
Environmental contamination is one of the major causes of biodiversity loss. Wetlands are particularly susceptible to contamination and species inhabiting these habitats are subjected to pollutants during sensitive phases of their development. In this study, tadpoles of a widespread amphibian, the spined toad (Bufo spinosus), were exposed to environmental concentrations of nicosulfuron (0 μg/L; 0.15 ± 0.05 μg/L and 0.83 ± 0.04 μg/L), a sulfonylurea herbicide, during different phases of development. Tadpoles were exposed during embryonic (12.98 ± 0.90 days) or larval development (93.74± 0.85 days), or throughout both phases, and we quantified development duration, morphological traits and behavioural features as responses to exposure. Developing tadpoles exposed to nicosulfuron were larger, but with smaller body, and had shorter but wider tail muscles. They were also more active and swam faster than control tadpoles and showed diverging patterns of behavioural complexity. We showed that higher concentrations had greater effects on individuals than lower concentrations, but the timing of nicosulfuron exposure did not influence the metrics studied: Exposure to nicosulfuron triggered similar effects irrespective of the developmental stages at which exposure occurred. These results further indicate that transient exposure (e.g., during embryonic development) can induce long-lasting effects throughout larval development to metamorphosis. Our study confirms that contaminants at environmental concentrations can have strong consequences on non-target organisms. Our results emphasize the need for regulation agencies and policy makers to consider sublethal concentrations of sulfonulyrea herbicides, such as nicosulfuron, as a minimum threshold in their recommendations.
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Affiliation(s)
- Marion Cheron
- Centre d'Études Biologiques de Chizé, CEBC UMR 7372, CNRS-La Rochelle Université, Villiers-en-Bois 79360, France.
| | - Akiko Kato
- Centre d'Études Biologiques de Chizé, CEBC UMR 7372, CNRS-La Rochelle Université, Villiers-en-Bois 79360, France
| | - Yan Ropert-Coudert
- Centre d'Études Biologiques de Chizé, CEBC UMR 7372, CNRS-La Rochelle Université, Villiers-en-Bois 79360, France
| | - Xavier Meyer
- European Science Foundation, 1 quai Lezay-Marnesia, Strasbourg 67080, France
| | - Andrew J J MacIntosh
- Kyoto University Primate Research Institute, 41-2 Kanrin, Inuyama 484-8506, Japan
| | - Léa Raoelison
- Centre d'Études Biologiques de Chizé, CEBC UMR 7372, CNRS-La Rochelle Université, Villiers-en-Bois 79360, France
| | - François Brischoux
- Centre d'Études Biologiques de Chizé, CEBC UMR 7372, CNRS-La Rochelle Université, Villiers-en-Bois 79360, France
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Vodrážková M, Šetlíková I, Navrátil J, Berec M. Presence of an alien turtle accelerates hatching of common frog (Rana temporaria) tadpoles. NEOBIOTA 2022. [DOI: 10.3897/neobiota.74.82250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The presence of a predator affects prey populations either by direct predation or by modifying various parts of their life history. We investigated whether the hatching time, developmental stage, and body size at hatching of common frog (Rana temporaria) embryos would alter in the presence of a red-eared slider (Trachemys scripta elegans) as a predator. The presence of a predator affected all factors examined. We found that in the absence of the slider, the embryos hatched in 12 days, while hatching was accelerated by two days in slider treatment. At the same time, the embryos hatched smaller and at a lower stage of development with the slider than without it. Our study extends the range of predators studied, including the effect on different phases of development of potential amphibian prey.
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Hemnani M, Guimarães ISC, Kaefer IL, Pires THDS. Alarm reaction depends on multiple chemical cues in tadpoles of the cane toad ( Rhinella marina). ETHOL ECOL EVOL 2022. [DOI: 10.1080/03949370.2022.2082537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Mahima Hemnani
- Departamento de Biologia, Universidade Federal do Amazonas, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Zoologia, Manaus, Brasil
| | - Izabela S. Campos Guimarães
- Departamento de Biologia, Universidade Federal do Amazonas, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Zoologia, Manaus, Brasil
| | - Igor L. Kaefer
- Departamento de Biologia, Universidade Federal do Amazonas, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Zoologia, Manaus, Brasil
| | - Tiago H. da Silva Pires
- Coordenação de Biodiversidade, Laboratório de Ecologia Comportamental e Evolutiva (LECE), Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
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Cheron M, Raoelison L, Kato A, Ropert-Coudert Y, Meyer X, MacIntosh AJJ, Brischoux F. Ontogenetic changes in activity, locomotion and behavioural complexity in tadpoles. Biol J Linn Soc Lond 2021. [DOI: 10.1093/biolinnean/blab077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Metamorphosis is a widespread developmental process that involves considerable changes in morphology, habitat use, ecology and behaviour between early developmental (larval) stages and adult forms. Among amphibians, anuran larvae (tadpoles) undergo massive morphological and ecological changes during their development, with early stages characterized by somatic growth, whereas more conspicuous changes (i.e. metamorphosis) occur later during development. In this study, we examined how locomotor and behavioural traits covary with morphology (body size) and metamorphosis (hindlimb and forelimb development) across developmental stages in spined toad (Bufo spinosus) tadpoles. As expected, we found that locomotion and behaviour undergo significant changes during tadpole development. These changes are curvilinear across developmental stages, with a phase of increasing activity and locomotion followed by a phase of stasis and/or reduction in locomotion and behavioural complexity. All the metrics we investigated indicate that the peak of activity and associated behaviour is situated at a pivotal stage when somatic growth decreases and significant morphological changes occur (i.e. hindlimb growth). Future studies that aim to investigate determinants of locomotion should include developmental stages as covariates in order to assess whether the sensitivity of locomotion to environmental variables changes across developmental stages.
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Affiliation(s)
- Marion Cheron
- Centre d’Etudes Biologiques de Chizé, CEBC UMR 7372 CNRS-La Rochelle Université, Villiers-en-Bois, France
| | - Léa Raoelison
- Centre d’Etudes Biologiques de Chizé, CEBC UMR 7372 CNRS-La Rochelle Université, Villiers-en-Bois, France
| | - Akiko Kato
- Centre d’Etudes Biologiques de Chizé, CEBC UMR 7372 CNRS-La Rochelle Université, Villiers-en-Bois, France
| | - Yan Ropert-Coudert
- Centre d’Etudes Biologiques de Chizé, CEBC UMR 7372 CNRS-La Rochelle Université, Villiers-en-Bois, France
| | - Xavier Meyer
- European Science Foundation, 1 quai Lezay-Marnesia, Strasbourg, France
| | | | - François Brischoux
- Centre d’Etudes Biologiques de Chizé, CEBC UMR 7372 CNRS-La Rochelle Université, Villiers-en-Bois, France
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Neptune TC, Bouchard SS. Predation and competition induce variable organ size trade‐offs in larval anurans. J Zool (1987) 2020. [DOI: 10.1111/jzo.12824] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- T. C. Neptune
- Department of Biology and Earth Science Otterbein University Westerville OH USA
| | - S. S. Bouchard
- Department of Biology and Earth Science Otterbein University Westerville OH USA
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Tung A, Levin M. Extra-genomic instructive influences in morphogenesis: A review of external signals that regulate growth and form. Dev Biol 2020; 461:1-12. [PMID: 31981561 DOI: 10.1016/j.ydbio.2020.01.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 01/21/2020] [Accepted: 01/21/2020] [Indexed: 12/18/2022]
Abstract
Embryonic development and regeneration accomplish a remarkable feat: individual cells work together to create or repair complex anatomical structures. What is the source of the instructive signals that specify these invariant and robust organ-level outcomes? The most frequently studied source of morphogenetic control is the host genome and its transcriptional circuits. However, it is now apparent that significant information affecting patterning also arrives from outside of the body. Both biotic and physical factors, including temperature and various molecular signals emanating from pathogens, commensals, and conspecific organisms, affect developmental outcomes. Here, we review examples in which anatomical patterning decisions are strongly impacted by lateral signals that originate from outside of the zygotic genome. The endogenous pathways targeted by these influences often show transgenerational effects, enabling them to shape the evolution of anatomies even faster than traditional Baldwin-type assimilation. We also discuss recent advances in the biophysics of morphogenetic controls and speculate on additional sources of important patterning information which could be exploited to better understand the evolution of bodies and to design novel approaches for regenerative medicine.
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Affiliation(s)
- Angela Tung
- Department of Biology and Allen Discovery Center at Tufts University, Medford, MA, USA
| | - Michael Levin
- Department of Biology and Allen Discovery Center at Tufts University, Medford, MA, USA; Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, USA.
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Perotti MG, Pueta M, Jara FG, Úbeda CA, Moreno Azocar DL. Lack of functional link in the tadpole morphology induced by predators. Curr Zool 2016; 62:227-235. [PMID: 29491910 PMCID: PMC5804239 DOI: 10.1093/cz/zow014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Accepted: 09/10/2015] [Indexed: 11/14/2022] Open
Abstract
Most studies of predator-induced plasticity have focused on documenting how prey species respond to predators by modifying phenotypic traits and how traits correlate with fitness. We have previously shown that Pleurodema thaul tadpoles exposed to the dragonfly Rhionaeschna variegata responded strongly by showing morphological changes, less activity, and better survival than non-exposed tadpoles. Here, we tested whether there is a functional link between morphological plasticity and increased survival in the presence of predators. Tadpoles that experienced predation risk were smaller, less developed, and much less active than tadpoles without this experience. Burst speed did not correlate significantly with morphological changes and predator-induced deeper tails did not act as a lure to divert predator strikes away from the head. Although we have previously found that tadpoles with predator-induced morphology survive better under a direct predator threat, our results on the functional link between morphology and fitness are not conclusive. Our results suggest that in P. thaul tadpoles (1) burst speed is not important to evade predators, (2) those exposed to predators reduce their activity, and (3) morphological changes do not divert predator attacks away from areas that compromise tadpole survivalEE. Our results show that morphological changes in P. thaul tadpoles do not explain burst speed or lure attraction, although there was a clear reduction of activity, which itself reduces predation. We propose that changes in tadpole activity could be further analyzed from another perspective, with morphological change as an indirect product of behavior mediated by physiological mechanisms.
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Affiliation(s)
- María Gabriela Perotti
- Laboratorio de Fotobiología, INIBIOMA, CONICET-Universidad Nacional del Comahue, Quintral 1250, Bariloche, Rio Negro, Argentina
| | - Mariana Pueta
- Laboratorio de Fotobiología, INIBIOMA, CONICET-Universidad Nacional del Comahue, Quintral 1250, Bariloche, Rio Negro, Argentina.,Departamento de Biología General. Universidad Nacional del Comahue, Quintral 1250, Bariloche, Rio Negro, Argentina, and
| | - Fabián Gastón Jara
- Laboratorio de Fotobiología, INIBIOMA, CONICET-Universidad Nacional del Comahue, Quintral 1250, Bariloche, Rio Negro, Argentina
| | - Carmen Adria Úbeda
- Departamento de Zoología, INIBIOMA, CONICET-Universidad Nacional del Comahue, Quintral 1250, 8400, Bariloche, Rio Negro, Argentina
| | - Debora Lina Moreno Azocar
- Laboratorio de Fotobiología, INIBIOMA, CONICET-Universidad Nacional del Comahue, Quintral 1250, Bariloche, Rio Negro, Argentina
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Clark ES, Pompini M, Uppal A, Wedekind C. Genetic correlations and little genetic variance for reaction norms may limit potential for adaptation to pollution by ionic and nanoparticulate silver in a whitefish (Salmonidae). Ecol Evol 2016; 6:2751-62. [PMID: 27066251 PMCID: PMC4798832 DOI: 10.1002/ece3.2088] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Revised: 02/11/2016] [Accepted: 02/22/2016] [Indexed: 12/19/2022] Open
Abstract
For natural populations to adapt to anthropogenic threats, heritable variation must persist in tolerance traits. Silver nanoparticles, the most widely used engineered nanoparticles, are expected to increase in concentrations in freshwaters. Little is known about how these particles affect wild populations, and whether genetic variation persists in tolerance to permit rapid evolutionary responses. We sampled wild adult whitefish and crossed them in vitro full factorially. In total, 2896 singly raised embryos of 48 families were exposed to two concentrations (0.5 μg/L; 100 μg/L) of differently sized silver nanoparticles or ions (silver nitrate). These doses were not lethal; yet higher concentrations prompted embryos to hatch earlier and at a smaller size. The induced hatching did not vary with nanoparticle size and was stronger in the silver nitrate group. Additive genetic variation for hatching time was significant across all treatments, with no apparent environmental dependencies. No genetic variation was found for hatching plasticity. We found some treatment‐dependent heritable variation for larval length and yolk volume, and one instance of additive genetic variation for the reaction norm on length at hatching. Our assessment suggests that the effects of silver exposure on additive genetic variation vary according to trait and silver source. While the long‐term fitness consequences of low‐level silver exposure on whitefish embryos must be further investigated to determine whether it is, in fact, detrimental, our results suggest that the evolutionary potential for adaptation to these types of pollutants may be low.
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Affiliation(s)
- Emily S Clark
- Department of Ecology and Evolution Biophore University of Lausanne 1015 Lausanne Switzerland
| | - Manuel Pompini
- Department of Ecology and Evolution Biophore University of Lausanne 1015 Lausanne Switzerland
| | - Anshu Uppal
- Department of Ecology and Evolution Biophore University of Lausanne 1015 Lausanne Switzerland
| | - Claus Wedekind
- Department of Ecology and Evolution Biophore University of Lausanne 1015 Lausanne Switzerland
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Variation in Abundance and Efficacy of Tadpole Predators in a Neotropical Pond Community. J HERPETOL 2016. [DOI: 10.1670/14-111] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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