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Russo T, Coppola F, Paris D, De Marchi L, Meucci V, Motta A, Carbone M, Di Cosmo A, Soares AMVM, Pretti C, Mollo E, Freitas R, Polese G. Exploring toxicological interactions in a changing sea: The case of the alkaloids caffeine and caulerpin. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169190. [PMID: 38092204 DOI: 10.1016/j.scitotenv.2023.169190] [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: 06/30/2023] [Revised: 11/14/2023] [Accepted: 12/06/2023] [Indexed: 12/18/2023]
Abstract
The bisindolic alkaloid caulerpin (CAU) is a bioactive compound isolated from green algae of the genus Caulerpa that are highly invasive in the Mediterranean Sea. On the other side, the purine alkaloid caffeine (CAF) is one of the most globally consumed psychoactive substances and a widespread anthropogenic water pollutant. Both compounds display a large panel of biological properties and are well known to accumulate in the tissues of aquatic organisms and, in certain circumstances, co-occur in the human diet. On this premise, the present study aimed to investigate possible synergistic interactions between CAU and CAF by using the bivalve Mytilus galloprovincialis as a model organism. Mussels were exposed to CAF via medium while they were fed with food enriched with CAU. After treatments, biochemical analysis confirmed the toxic potential of CAF, with increased AChE activity and lipid peroxidation. Also, histopathological alterations were observed in the gills and digestive tubules. The NMR-based metabolomics analysis detected higher levels of free amino acids under CAF treatments. Conversely, the food administration of CAU did not affect the above toxicological biomarkers. In addition, we did not observe any cumulative effect between CAF and CAU toward increased cellular damage and neurotoxicity. On the other hand, a possible action of CAU in decreasing CAF toxicity could be hypothesized based on our results. This hypothesis is supported by the activity of CAU as an agonist of peroxisome proliferator-activated receptors (PPARs). PPARs mediate xenobiotic detoxification via cytochromes P450, which is involved in CAF metabolism. Overall, the results obtained not only rule out any cumulative adverse effects of CAF and CAU but also encourage further research to evaluate the possible use of CAU, a compound easily obtained through the valorization of biomass from invasive species, as a food additive to improve the clearance of xenobiotics.
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Affiliation(s)
- Tania Russo
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy
| | - Francesca Coppola
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Debora Paris
- Institute of Biomolecular Chemistry, National Research Council, 80078 Pozzuoli, NA, Italy
| | - Lucia De Marchi
- Department of Veterinary Sciences, University of Pisa, 56122 San Piero a Grado, PI, Italy
| | - Valentina Meucci
- Department of Veterinary Sciences, University of Pisa, 56122 San Piero a Grado, PI, Italy
| | - Andrea Motta
- Institute of Biomolecular Chemistry, National Research Council, 80078 Pozzuoli, NA, Italy
| | - Marianna Carbone
- Institute of Biomolecular Chemistry, National Research Council, 80078 Pozzuoli, NA, Italy
| | - Anna Di Cosmo
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy
| | - Amadeu M V M Soares
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Carlo Pretti
- Department of Veterinary Sciences, University of Pisa, 56122 San Piero a Grado, PI, Italy
| | - Ernesto Mollo
- Institute of Biomolecular Chemistry, National Research Council, 80078 Pozzuoli, NA, Italy
| | - Rosa Freitas
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Gianluca Polese
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy.
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2
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Mercado JM, Gómez-Jakobsen F, Korbee N, Aviles A, Bonomi-Barufi J, Muñoz M, Reul A, Figueroa FL. Analyzing environmental factors that favor the growth of the invasive brown macroalga Rugulopteryx okamurae (Ochrophyta): The probable role of the nutrient excess. MARINE POLLUTION BULLETIN 2022; 174:113315. [PMID: 35090297 DOI: 10.1016/j.marpolbul.2021.113315] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 12/09/2021] [Accepted: 12/29/2021] [Indexed: 06/14/2023]
Abstract
Time series of temperature, salinity and nutrients in the Strait of Gibraltar (SoG) were researched to analyze which factors explain the invasive success of Rugulopteryx okamurare, which has colonized wide coastal areas at the Spanish and Moroccan coasts since 2016. Temperature and salinity were higher in the SoG compared to its native habitat, implying that the alga is active during the whole seasonal cycle and grows optimally at the high salinities occurring in the SoG. Nitrate removal experiments indicate that the alga is able to linearly increase its N uptake rates following boost in nitrate concentration. Furthermore, R. okamurae N content ranged from 1.4% to 4.5% suggesting that this species has high N storage capacity potentially usable when the external N concentration decreases. These physiological characteristics would explain sharp growth of the alga in the SoG where high N concentrations are registered occasionally.
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Affiliation(s)
- Jesús M Mercado
- Centro Oceanográfico de Málaga, Instituto Español de Oceanografía-CSIC, Puerto Pesquero s/n, 29640, Fuengirola, Málaga, Spain.
| | - Francisco Gómez-Jakobsen
- Centro Oceanográfico de Málaga, Instituto Español de Oceanografía-CSIC, Puerto Pesquero s/n, 29640, Fuengirola, Málaga, Spain
| | - Nathalie Korbee
- Universidad de Málaga, Instituto de Biotecnología y Desarrollo Azul (IBYDA), Departamento de Ecología y Geología, Facultad de Ciencias, Campus Universitario de Teatinos s/n, 29071, Málaga, Spain
| | - Antonio Aviles
- Universidad de Málaga, Instituto de Biotecnología y Desarrollo Azul (IBYDA), Departamento de Ecología y Geología, Facultad de Ciencias, Campus Universitario de Teatinos s/n, 29071, Málaga, Spain
| | - José Bonomi-Barufi
- Phycology Laboratory, Botany Department, Federal University of Santa Catarina, 88049-900 Florianopolis, SC, Brazil
| | - María Muñoz
- Centro Oceanográfico de Baleares, Instituto Español de Oceanografía-CSIC, Muelle de Poniente s/n, 07015 Palma de Mallorca, Spain
| | - Andreas Reul
- Universidad de Málaga, Instituto de Biotecnología y Desarrollo Azul (IBYDA), Departamento de Ecología y Geología, Facultad de Ciencias, Campus Universitario de Teatinos s/n, 29071, Málaga, Spain
| | - Félix L Figueroa
- Universidad de Málaga, Instituto de Biotecnología y Desarrollo Azul (IBYDA), Departamento de Ecología y Geología, Facultad de Ciencias, Campus Universitario de Teatinos s/n, 29071, Málaga, Spain
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Bradley DJ, Boada J, Gladstone W, Glasby TM, Gribben PE. Sublethal effects of a rapidly spreading native alga on a key herbivore. Ecol Evol 2021; 11:12605-12616. [PMID: 34594524 PMCID: PMC8462141 DOI: 10.1002/ece3.8005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 07/06/2021] [Accepted: 07/21/2021] [Indexed: 11/10/2022] Open
Abstract
Multiple anthropogenic stressors are causing a global decline in foundation species, including macrophytes, often resulting in the expansion of functionally different, more stressor-tolerant macrophytes. Previously subdominant species may experience further positive demographic feedback if they are exposed to weaker plant-herbivore interactions, possibly via decreased palatability or being structurally different from the species they are replacing. However, the consequences of the spread of opportunistic macrophytes for the local distribution and life history of herbivores are unknown.The green alga, Caulerpa filiformis, previously a subdominant macrophyte on low intertidal-shallow subtidal rock shores, is becoming locally more abundant and has spread into warmer waters across the coast of New South Wales, Australia.In this study, we measured (a) the distribution and abundance of a key consumer, the sea urchin Heliocidaris erythrogramma, across a seascape at sites where C. filiformis has become dominant, (b) performed behavioral field experiments to test the role of habitat selection in determining the local distribution of H. erythrogramma, and (c) consumer experiments to test differential palatability between previously dominant higher quality species like Ecklonia radiata and Sargassum sp. and C. filiformis and the physiological consequences of consuming it.At all sites, urchin densities were positively correlated with distance away from C. filiformis beds, and they actively moved away from beds. Feeding experiments showed that, while urchins consumed C. filiformis, sometimes in equal amounts to higher quality algae, there were strong sublethal consequences associated with C. filiformis consumption, mainly on reproductive potential (gonad size). Specifically, the gonad size of urchins that fed on C. filiformis was equivalent to that in starved urchins. There was also a tendency for urchin mortality to be greater when fed C. filiformis.Overall, strong negative effects on herbivore life-history traits and potentially their survivorship may establish further positive feedback on C. filiformis abundance that contributes to its spread and may mediate shifts from top-down to bottom-up control at locations where C. filiformis has become dominant.
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Affiliation(s)
- Daniel J. Bradley
- School of Life SciencesFaculty of ScienceUniversity of Technology SydneySydneyNSWAustralia
- Centre for Marine Science and InnovationBiological, Earth and Environmental SciencesUniversity of New South Wales (UNSW)KensingtonNSWAustralia
| | - Jordi Boada
- Centre for Marine Science and InnovationBiological, Earth and Environmental SciencesUniversity of New South Wales (UNSW)KensingtonNSWAustralia
- Institute of Aquatic EcologyFaculty of SciencesUniversity of GironaGironaSpain
| | - William Gladstone
- School of Life SciencesFaculty of ScienceUniversity of Technology SydneySydneyNSWAustralia
| | - Timothy M. Glasby
- NSW Department of Primary IndustriesPort Stephens Fisheries InstituteTaylors BeachNSWAustralia
| | - Paul E. Gribben
- Centre for Marine Science and InnovationBiological, Earth and Environmental SciencesUniversity of New South Wales (UNSW)KensingtonNSWAustralia
- Sydney Institute of Marine ScienceMosmanNSWAustralia
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Pusceddu A, Mikhno M, Giglioli A, Secci M, Pasquini V, Moccia D, Addis P. Foraging of the sea urchin Paracentrotus lividus (Lamarck, 1816) on invasive allochthonous and autochthonous algae. MARINE ENVIRONMENTAL RESEARCH 2021; 170:105428. [PMID: 34325276 DOI: 10.1016/j.marenvres.2021.105428] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 07/16/2021] [Accepted: 07/17/2021] [Indexed: 06/13/2023]
Abstract
Attempts to control marine invasive alien species (IAS) with native predators gained contrasting results, so far. To explore the feasibility of this approach to control the invasive marine alga Caulerpa cylindracea, we investigated the foraging behaviour of the sea urchin Paracentrotus lividus on three native macroalgae (Ulva sp., Penicillus capitatus and Cystoseira compressa) and on C. cylindracea. The consumption rate of C. cylindracea fresh biomass resulted larger than that of the other algae, when offered separately or in combination. C. cylindracea, however, was not the most attractive food item. The larger consumption rates of C. cylindracea can be explained by its specific caloric content (as assessed by its biochemical composition) that is lower than that of the other algae. Our results confirm that P. lividus can feed on C. cylindracea, but do not fully support its use to control C. cylindracea, unless in conditions where this alga is largely dominant because of other factors.
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Affiliation(s)
- Antonio Pusceddu
- Department of Life and Environmental Sciences, University of Cagliari, Via T. Fiorelli, 1, 09126, Cagliari, Italy.
| | - Marta Mikhno
- Department of Life and Environmental Sciences, University of Cagliari, Via T. Fiorelli, 1, 09126, Cagliari, Italy
| | - Angelica Giglioli
- Department of Life and Environmental Sciences, University of Cagliari, Via T. Fiorelli, 1, 09126, Cagliari, Italy
| | - Marco Secci
- Department of Life and Environmental Sciences, University of Cagliari, Via T. Fiorelli, 1, 09126, Cagliari, Italy
| | - Viviana Pasquini
- Department of Life and Environmental Sciences, University of Cagliari, Via T. Fiorelli, 1, 09126, Cagliari, Italy
| | - Davide Moccia
- Department of Life and Environmental Sciences, University of Cagliari, Via T. Fiorelli, 1, 09126, Cagliari, Italy
| | - Pierantonio Addis
- Department of Life and Environmental Sciences, University of Cagliari, Via T. Fiorelli, 1, 09126, Cagliari, Italy
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Ryznar ER, Smith LL, Fong P. Open space, not reduced herbivory, facilitates invasion of a marine macroalga, implying it is a disturbance-mediated "passenger" of change. MARINE ENVIRONMENTAL RESEARCH 2021; 170:105435. [PMID: 34385137 DOI: 10.1016/j.marenvres.2021.105435] [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: 03/31/2021] [Revised: 06/18/2021] [Accepted: 07/23/2021] [Indexed: 06/13/2023]
Abstract
Sargassum horneri, a brown macroalga, recently invaded the California coast, including into critical foundational communities such as kelp (Macrocystis pyrifera) forests. Despite its rapid spread, empirical tests that evaluate mechanisms underlying S. horneri's invasion success are lacking. To fill this knowledge gap, we conducted three field experiments on temperate rocky reefs in southern California using growth as a proxy for invasion success. We first tested whether S. horneri success differed with herbivory strength and native diversity by conducting a 2-factor experiment varying site (with different baseline levels of urchin densities and native algal diversity) and urchin access. We found S. horneri growth only differed among urchin treatments and not sites. We then evaluated whether S. horneri could successfully invade established algal canopies as a driver or whether it required open space as a passenger via a 2-factor experiment varying S. horneri size (small, medium, large) and canopy type (S. horneri, kelp, -canopy). We found that all S. horneri sizes grew fastest when canopy was lacking and light was high and slower in both canopy habitats with lower light; overall, small S. horneri grew slowest. Finally, we evaluated whether herbivore consumption for native species could facilitate S. horneri's invasion by conducting a 2-factor experiment varying species (M. pyrifera, S. horneri) and herbivore access. We found uncaged algae were consumed and caged algae grew, but there was no difference between species. Taken together, our results suggest that S. horneri is a "passenger" invader that will take advantage of points in time and space where light is plentiful, such as when M. pyrifera is removed via disturbance. Further, our results suggest that herbivory and native algal diversity are likely not key determining factors of the invasion success of S. horneri.
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Affiliation(s)
- E R Ryznar
- University of California Los Angeles, Department of Ecology and Evolutionary Biology, 621 Charles E. Young Drive South, Los Angeles, CA, 90095-1606, USA.
| | - L L Smith
- University of California Los Angeles, Department of Ecology and Evolutionary Biology, 621 Charles E. Young Drive South, Los Angeles, CA, 90095-1606, USA
| | - P Fong
- University of California Los Angeles, Department of Ecology and Evolutionary Biology, 621 Charles E. Young Drive South, Los Angeles, CA, 90095-1606, USA
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García-Gómez JC, Florido M, Olaya-Ponzone L, Sempere-Valverde J, Megina C. The Invasive Macroalga Rugulopteryx okamurae: Substrata Plasticity and Spatial Colonization Pressure on Resident Macroalgae. Front Ecol Evol 2021. [DOI: 10.3389/fevo.2021.631754] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The present study constitutes the first evaluation of the space colonization strategies performed by Rugulopteryx okamurae when co-occurring with the resident macroalgal community in the introduced areas. Since the first apparition of the nonindigenous macroalga in the Strait of Gibraltar, its high propagation capacity together with its colonization ability has enhanced the establishment success of the species in detriment of the resident biota. In this study, we carried out observational surveys during 2017–2020 in order to assess the coverage levels of R. okamurae on different lighting conditions, surface orientations, and substrata types (artificial and natural). Results revealed that, beyond the high percent coverages already reported at illuminated and semi-illuminated natural rocky habitats, R. okamurae is able to settle on a wide variety of artificial substrata. The settlement performance of the species was also investigated and different mechanisms underlying the space colonization were proposed. Thus, R. okamurae was observed interacting with 43 resident macroalgal species at generally illuminated rocky habitats of the northern Strait coasts. Six colonization mechanisms were proposed for spatial growth scenarios. Overall, results pointed out that, in most of the cases where the invasive species co-occur with the resident community, R. okamurae would be favored as regards spatial growth success. Competitive interactions and environmental factors which influence results obtained must be addressed in order to fully predict impacts on resident communities. Moreover, together with previous scientific works, overall data provided in this study highlight the need to urgent implement management measures focused on habitats susceptible to be invaded, as well as studies on the ecology and dispersal vectors of R. okamurae in the Strait of Gibraltar and adjacent areas.
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Boudouresque CF, Verlaque M. Paracentrotus lividus. DEVELOPMENTS IN AQUACULTURE AND FISHERIES SCIENCE 2020. [DOI: 10.1016/b978-0-12-819570-3.00026-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Vega Fernández T, Badalamenti F, Bonaviri C, Di Trapani F, Gianguzza P, Noè S, Musco L. Synergistic reduction of a native key herbivore performance by two non-indigenous invasive algae. MARINE POLLUTION BULLETIN 2019; 141:649-654. [PMID: 30955779 DOI: 10.1016/j.marpolbul.2019.02.073] [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: 05/25/2018] [Revised: 02/27/2019] [Accepted: 02/28/2019] [Indexed: 06/09/2023]
Abstract
Native generalist grazers can control the populations of non-indigenous invasive algae (NIIA). Here, it was found that the simultaneous consumption of two co-occurring NIIA, Caulerpa cylindracea and C. taxifolia var. distichophylla, hinders the grazing ability of the main Mediterranean herbivorous, the native sea urchin Paracentrotus lividus. The ingestion of any of the two NIIA alone did not produce any difference in sea urchin righting time with respect to usual algal diet. In contrast, the simultaneous consumption of both NIIA, which grow intermingled in nature and are consumed by P. lividus, retarded its righting behavior. Such result reveals substantial physiological stress in the sea urchin, which resulted in reduced motility and coordination. The reported findings reveal the potential of NIIA co-occurrence to escape the supposed control exerted by the main native generalist grazer in Mediterranean sublittoral communities, which in turn can be locked in an "invaded" state.
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Affiliation(s)
| | - Fabio Badalamenti
- Stazione Zoologica Anton Dohrn, Villa Comunale, Naples 80121, Italy; Consiglio Nazionale delle Ricerche, Istituto per lo studio degli impatti Antropici e Sostenibilità in ambiente marino, Via Giovanni da Verrazzano, 17 - 91014 Castellammare del Golfo, Italy; School of Geosciences, Grant Institute, King's Buildings, University of Edinburgh, Edinburgh, United Kingdom
| | - Chiara Bonaviri
- University of Palermo, Department of Earth and Marine Sciences, Via Archirafi 38, Palermo 90123, Italy
| | - Francesco Di Trapani
- University of Palermo, Department of Earth and Marine Sciences, Via Archirafi 38, Palermo 90123, Italy
| | - Paola Gianguzza
- University of Palermo, Department of Earth and Marine Sciences, Via Archirafi 38, Palermo 90123, Italy
| | - Simona Noè
- University of Palermo, Department of Earth and Marine Sciences, Via Archirafi 38, Palermo 90123, Italy
| | - Luigi Musco
- Stazione Zoologica Anton Dohrn, Villa Comunale, Naples 80121, Italy
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