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  1. Article ; Online: Green synthesis of silver nanoparticles based on using Croton urucurana and their toxicity against freshwater snail species Biomphalaria glabrata.

    Araújo, Paula Sampaio / Caixeta, Maxwell Batista / Nunes, Eloiza da Silva / Gonçalves, Bruno Bastos / Rocha, Thiago Lopes

    Acta tropica

    2024  , Page(s) 107224

    Abstract: Green plant-based silver nanoparticles (GP-Ag NPs) have contributed to the development of ecological technologies with low environmental impact and safer for human health, as well as demonstrating potential for the control of vectors and intermediate ... ...

    Abstract Green plant-based silver nanoparticles (GP-Ag NPs) have contributed to the development of ecological technologies with low environmental impact and safer for human health, as well as demonstrating potential for the control of vectors and intermediate hosts. However, knowledge about its toxicity in the early stages of gastropod development remains scarce. Therefore, the current study aimed to investigate the toxicity of GP-Ag NPs synthesized from Croton urucurana leaf extracts in snail species Biomphalaria glabrata, which is an intermediate host for Schistosoma mansoni parasite. GP-Ag NPs were synthesized using two types of plant extracts (aqueous and hydroethanolic) and characterized using multiple techniques. Bioassays focused on investigating GP-Ag NPs and plant extracts were carried out with embryos and newly hatched snails, for 144 h and 96 h, respectively; toxicity was analyzed based on mortality, hatching, development inhibition, and morphological changes. Results have shown that both GP-Ag NPs were more toxic to embryos and newly hatched snails than the investigated plant extracts. GP-Ag NPs deriving from aqueous extract have higher molluscicidal activity than those deriving from hydroethanolic extract. Both GP-Ag NPs induced mortality, hatching delay, development inhibition, and morphological changes (i.e., hydropic embryos), indicating their molluscicidal activities. Moreover, embryos were more sensitive to GP-Ag NPs than newly hatched snails. Thus, the toxicity of GP-Ag NPs to freshwater snails depends on the type of extracts and the snail's developmental stages. These findings can contribute to the development of green nanobiotechnologies applicable to control snails of medical importance.
    Language English
    Publishing date 2024-04-19
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 210415-5
    ISSN 1873-6254 ; 0001-706X
    ISSN (online) 1873-6254
    ISSN 0001-706X
    DOI 10.1016/j.actatropica.2024.107224
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Gonadal histopathology and inflammatory response in the freshwater snail exposed to iron oxide nanoparticles and ferric chloride: Insights into reproductive nanotoxicity.

    Rodrigues, Cândido Carvalho / Caixeta, Maxwell Batista / Araújo, Paula Sampaio / Gonçalves, Bruno Bastos / Araújo, Olacir Alves / Silva, Luciana Damacena / Rocha, Thiago Lopes

    Aquatic toxicology (Amsterdam, Netherlands)

    2021  Volume 237, Page(s) 105910

    Abstract: Considering that most animals in an aquatic ecosystem are invertebrates, concerns about the ecotoxicological impact of emerging pollutants, such as nanomaterials, in these populations are relevant, which can lead to loss of aquatic biodiversity. However, ...

    Abstract Considering that most animals in an aquatic ecosystem are invertebrates, concerns about the ecotoxicological impact of emerging pollutants, such as nanomaterials, in these populations are relevant, which can lead to loss of aquatic biodiversity. However, knowledge concerning the effects of iron-based nanoparticles (IONPs) at cell and tissue-levels on freshwater gastropods remains limited. Thus, the present study aimed to analyse the histopathological changes and inflammatory response in the freshwater snail Biomphalaria glabrata after chronic exposure to gluconic-acid functionalized IONPs (GLA-IONPs) in comparison with their dissolved counterpart (FeCl
    MeSH term(s) Animals ; Chlorides ; Ecosystem ; Ferric Compounds/toxicity ; Fresh Water ; Gonads ; Magnetic Iron Oxide Nanoparticles ; Water Pollutants, Chemical/toxicity
    Chemical Substances Chlorides ; Ferric Compounds ; Water Pollutants, Chemical ; ferric chloride (U38V3ZVV3V)
    Language English
    Publishing date 2021-07-10
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 782699-0
    ISSN 1879-1514 ; 0166-445X
    ISSN (online) 1879-1514
    ISSN 0166-445X
    DOI 10.1016/j.aquatox.2021.105910
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  3. Article: Welfare in Nile Tilapia Production: Dorsal Fin Erection as a Visual Indicator for Insensibility.

    Camargo-Dos-Santos, Bruno / Carlos, Clarissa Lerois / Favero-Neto, João / Alves, Nina Pacheco Capelini / Gonçalves, Bruno Bastos / Giaquinto, Percília Cardoso

    Animals : an open access journal from MDPI

    2021  Volume 11, Issue 10

    Abstract: In aquaculture, to ensure animal welfare in pre-slaughter and slaughter stages, it is fundamental that fish are insensible. A method for evaluating fish insensibility is based on visual sensibility indicators (VSI) assessment (i.e., self-initiated ... ...

    Abstract In aquaculture, to ensure animal welfare in pre-slaughter and slaughter stages, it is fundamental that fish are insensible. A method for evaluating fish insensibility is based on visual sensibility indicators (VSI) assessment (i.e., self-initiated behavior, responses to stimuli and reflexes). However, many stimuli used to assess fish responses are painful. Therefore, this study verifies whether the presence/absence of a dorsal fin erection (DFE) response can be used as a painless VSI in Nile tilapia (
    Language English
    Publishing date 2021-10-19
    Publishing country Switzerland
    Document type Journal Article
    ISSN 2076-2615
    ISSN 2076-2615
    DOI 10.3390/ani11103007
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  4. Article: Welfare in Nile Tilapia Production: Dorsal Fin Erection as a Visual Indicator for Insensibility

    Camargo-dos-Santos, Bruno / Carlos, Clarissa Lerois / Favero-Neto, João / Alves, Nina Pacheco Capelini / Gonçalves, Bruno Bastos / Giaquinto, Percília Cardoso

    Animals. 2021 Oct. 19, v. 11, no. 10

    2021  

    Abstract: In aquaculture, to ensure animal welfare in pre-slaughter and slaughter stages, it is fundamental that fish are insensible. A method for evaluating fish insensibility is based on visual sensibility indicators (VSI) assessment (i.e., self-initiated ... ...

    Abstract In aquaculture, to ensure animal welfare in pre-slaughter and slaughter stages, it is fundamental that fish are insensible. A method for evaluating fish insensibility is based on visual sensibility indicators (VSI) assessment (i.e., self-initiated behavior, responses to stimuli and reflexes). However, many stimuli used to assess fish responses are painful. Therefore, this study verifies whether the presence/absence of a dorsal fin erection (DFE) response can be used as a painless VSI in Nile tilapia (Oreochromis niloticus). Three stunning protocols were applied to fish: benzocaine anesthesia (40 mg/L and 80 mg/L), ice water immersion (0–1, 2–3 and 5–6 °C) and CO₂ stunning. After these stunning methods were applied in fish, the time of loss and return of DFE was observed, along with the vestibulo-ocular reflex (VOR). All fish stunned using benzocaine and ice water immersion lose both VSIs, while 95% of fish stunned using CO₂ lose these VSIs. In all treatments, DFEs return quicker than VOR. Therefore, DFE can be used as a VSI in Nile tilapia, which is simple for producers to assess and does not require a painful stimulus. However, the DFE alone does not totally ensure fish insensibility and must be used together with other well-established VSIs at fish farms.
    Keywords Oreochromis niloticus ; anesthesia ; animal welfare ; aquaculture ; benzocaine ; carbon dioxide ; fins ; fish ; fish production ; ice ; slaughter
    Language English
    Dates of publication 2021-1019
    Publishing place Multidisciplinary Digital Publishing Institute
    Document type Article
    ZDB-ID 2606558-7
    ISSN 2076-2615
    ISSN 2076-2615
    DOI 10.3390/ani11103007
    Database NAL-Catalogue (AGRICOLA)

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  5. Article: Gonadal histopathology and inflammatory response in the freshwater snail exposed to iron oxide nanoparticles and ferric chloride: Insights into reproductive nanotoxicity

    Rodrigues, Cândido Carvalho / Caixeta, Maxwell Batista / Araújo, Paula Sampaio / Gonçalves, Bruno Bastos / Araújo, Olacir Alves / Silva, Luciana Damacena / Rocha, Thiago Lopes

    Aquatic toxicology. 2021 Aug., v. 237

    2021  

    Abstract: Considering that most animals in an aquatic ecosystem are invertebrates, concerns about the ecotoxicological impact of emerging pollutants, such as nanomaterials, in these populations are relevant, which can lead to loss of aquatic biodiversity. However, ...

    Abstract Considering that most animals in an aquatic ecosystem are invertebrates, concerns about the ecotoxicological impact of emerging pollutants, such as nanomaterials, in these populations are relevant, which can lead to loss of aquatic biodiversity. However, knowledge concerning the effects of iron-based nanoparticles (IONPs) at cell and tissue-levels on freshwater gastropods remains limited. Thus, the present study aimed to analyse the histopathological changes and inflammatory response in the freshwater snail Biomphalaria glabrata after chronic exposure to gluconic-acid functionalized IONPs (GLA-IONPs) in comparison with their dissolved counterpart (FeCl₃). Snails were exposed to both iron forms (1.0, 2.5, 6.25, and 15.62 mg L⁻¹) for 28 days, and the qualitative and quantitative histopathological assessment on hermaphrodite gonads was conducted, following by analysis of histopathological indices and inflammatory responses. Results showed that both iron forms (GLA-IONPs and FeCl₃) induced several gonadal histopathologies in the snails, mainly atresic acini, vacuolization of pre-vitellogenic oocytes, and atresic oocytes in a concentration-dependent pattern. GLA-IONPs induced a more intense inflammatory response and high frequency of vacuolized vitellogenic oocytes in comparison with FeCl₃. Environmentally relevant concentration (2.5 mg L⁻¹) of GLA-IONPs and FeCl₃ induced high gonadal histopathological indices, indicating their potential reproductive toxicity. The current study showed that the chronic exposure of snails to GLA-IONPs and their dissolved counterpart (FeCl₃) induced several gonadal histopathological changes and inflammatory responses in B. glabrata, confirming their potential risk to aquatic biodiversity.
    Keywords Biomphalaria glabrata ; aquatic ecosystems ; biodiversity ; chronic exposure ; ecotoxicology ; ferric chloride ; freshwater ; gluconic acid ; gonads ; hermaphroditism ; histopathology ; inflammation ; iron oxides ; oocytes ; reproductive toxicology ; risk ; snails
    Language English
    Dates of publication 2021-08
    Publishing place Elsevier B.V.
    Document type Article
    ZDB-ID 782699-0
    ISSN 1879-1514 ; 0166-445X
    ISSN (online) 1879-1514
    ISSN 0166-445X
    DOI 10.1016/j.aquatox.2021.105910
    Database NAL-Catalogue (AGRICOLA)

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  6. Article: Risk assessment of iron oxide nanoparticles in an aquatic ecosystem: A case study on Biomphalaria glabrata

    Caixeta, Maxwell Batista / Araújo, Paula Sampaio / Rodrigues, Cândido Carvalho / Gonçalves, Bruno Bastos / Araújo, Olacir Alves / Bevilaqua, Giovanni Bonatti / Malafaia, Guilherme / Silva, Luciana Damacena / Rocha, Thiago Lopes

    Journal of hazardous materials. 2021 Jan. 05, v. 401

    2021  

    Abstract: Iron oxide nanoparticles (IONPs) have been applied in several sectors in the environmental field, such as aquatic nanoremediation, due to their unique superparamagnetic and nanospecific properties. However, the knowledge of chronic toxicity of IONPs on ... ...

    Abstract Iron oxide nanoparticles (IONPs) have been applied in several sectors in the environmental field, such as aquatic nanoremediation, due to their unique superparamagnetic and nanospecific properties. However, the knowledge of chronic toxicity of IONPs on aquatic invertebrate remains limited. Thus, the present study aimed to analyze the chronic toxicity of gluconic acid-functionalized IONPs (GLA-IONPs) and their dissolved counterpart (FeCl₃) to freshwater snail Biomphalaria glabrata. GLA-IONPs were synthesized and characterized by multiple techniques, and the snails were exposed to both Fe forms at environmentally relevant concentrations (1.0–15.6 mg L⁻¹) for 28 days. The bioaccumulation, mortality rate, behavior impairments, morphological alterations, fecundity and fertility of snails were analyzed. Results showed that GLA-IONPs induced high iron bioaccumulation in the entire soft tissue portion. Chronic exposure to GLA-IONP increased the behavioral impairments of snails compared to iron ions and control groups. Both Fe forms reduced the fecundity, while the mortality and reduced fertility were observed only after the exposure to GLA-IONPs at 15.6 mg L⁻¹. Overall results indicated the behavioral impairments and reproductive toxicity associated, possibly, to bioaccumulation of GLA-IONPs in the B. glabrata. These results can be useful for the development of eco-friendly nanotechnologies.
    Keywords Biomphalaria glabrata ; aquatic ecosystems ; aquatic invertebrates ; bioaccumulation ; case studies ; chronic exposure ; chronic toxicity ; fecundity ; freshwater ; iron oxides ; mortality ; reproductive toxicology ; risk assessment ; snails ; tissues
    Language English
    Dates of publication 2021-0105
    Publishing place Elsevier B.V.
    Document type Article
    Note NAL-AP-2-clean
    ZDB-ID 1491302-1
    ISSN 1873-3336 ; 0304-3894
    ISSN (online) 1873-3336
    ISSN 0304-3894
    DOI 10.1016/j.jhazmat.2020.123398
    Database NAL-Catalogue (AGRICOLA)

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  7. Article: The impact of catch-and-release on feeding responses and aggressive behavior in Nile tilapia (Oreochromis niloticus)

    Camargo-dos-Santos, Bruno / Rossi, Vanessa Stramantinoli / Gonçalves, Bruno Bastos / Leutz, Juliane de Abreu Campos Machado / Giaquinto, Percilia Cardoso / Sabbadin Zanuzzo, Fábio

    Marine and freshwater behaviour and physiology. 2021 May 04, v. 54, no. 3

    2021  

    Abstract: Catch-and-Release (C&R) practice may result in post-release mortality in fish. Therefore, most C&R studies have focused on endangered or highly valued target species, and less attention has been given to introduced/abundant species, which indeed are ... ...

    Abstract Catch-and-Release (C&R) practice may result in post-release mortality in fish. Therefore, most C&R studies have focused on endangered or highly valued target species, and less attention has been given to introduced/abundant species, which indeed are important from an ecological point of view. Nile tilapia is considered an introduced species in many areas and is a commonly caught species in recreational fisheries; therefore, understanding the impacts of C&R on tilapia is also important from an animal welfare perspective. We investigated whether C&R impacts the aggressive behavior and feeding responses of Nile tilapia, characteristics that impair the welfare and the ability of an individual to have success in its ecosystem. Surprisingly, C&R did not affect these responses, and our results suggest that Nile tilapia may be relatively more resilient to C&R, and that C&R practices may act as an additional selective force towards the ecological success of Nile tilapia as introduced species.
    Keywords Oreochromis niloticus ; aggression ; animal welfare ; ecosystems ; fish ; freshwater ; introduced species ; mortality ; physiology
    Language English
    Dates of publication 2021-0504
    Size p. 133-148.
    Publishing place Taylor & Francis
    Document type Article
    ZDB-ID 2029547-9
    ISSN 1029-0362 ; 1023-6244
    ISSN (online) 1029-0362
    ISSN 1023-6244
    DOI 10.1080/10236244.2021.1953380
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  8. Article ; Online: Ecotoxicological assessment of effluents from Brazilian wastewater treatment plants using zebrafish embryotoxicity test: A multi-biomarker approach.

    Ribeiro, Renan Xavier / da Silva Brito, Rafaella / Pereira, Aryelle Canedo / Monteiro, Keyle Borges E Silva / Gonçalves, Bruno Bastos / Rocha, Thiago Lopes

    The Science of the total environment

    2020  Volume 735, Page(s) 139036

    Abstract: Effluent from wastewater treatment plants (WWTPs) remains one of the major pollutants of aquatic environments; however, knowledge about its ecotoxic effects at fish early life stages is limited. The ecotoxicity of effluent from Brazilian WWTPs was herein ...

    Abstract Effluent from wastewater treatment plants (WWTPs) remains one of the major pollutants of aquatic environments; however, knowledge about its ecotoxic effects at fish early life stages is limited. The ecotoxicity of effluent from Brazilian WWTPs was herein analyzed based on responses of multiple biomarkers in the zebrafish embryotoxicity test (ZET). Ecotoxicity was analyzed based on mortality rate, hatching rate, spontaneous movement rate (neurotoxicity), heart rate (cardiotoxicity), frequency of morphological changes and morphometric parameters during 144 h exposure time. Results showed that embryos exposed to affluent and effluent presented high mortality rate and delayed hatching rate, as well as changes in morphometric parameters. Exposed embryos also showed physiological, sensory, skeletal and muscular changes, which confirms that the ecotoxic effect of WWTPs effluent is systemic and associated with the presence of several pollutants, even at low concentrations (mixture toxicity). The present study is pioneer in using responses of multiple biomarkers in ZET as suitable approach to assess the ecotoxicity of WWTPs effluent in developing countries, as well as to add value and contribute to studies on WWTPs worldwide. Zebrafish is a suitable vertebrate model to assess the ecotoxicity of WWTP effluent.
    MeSH term(s) Animals ; Biomarkers ; Brazil ; Waste Water ; Water Pollutants, Chemical ; Zebrafish
    Chemical Substances Biomarkers ; Waste Water ; Water Pollutants, Chemical
    Language English
    Publishing date 2020-04-28
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2020.139036
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  9. Article ; Online: Co-exposure of iron oxide nanoparticles and glyphosate-based herbicide induces DNA damage and mutagenic effects in the guppy (Poecilia reticulata).

    Trigueiro, Nicholas Silvestre de Souza / Gonçalves, Bruno Bastos / Dias, Felipe Cirqueira / de Oliveira Lima, Emília Celma / Rocha, Thiago Lopes / Sabóia-Morais, Simone Maria Teixeira

    Environmental toxicology and pharmacology

    2020  Volume 81, Page(s) 103521

    Abstract: Iron oxide nanoparticles (IONPs) have been tested to remediate aquatic environments polluted by chemicals, such as pesticides. However, their interactive effects on aquatic organisms remain unknown. This study aimed to investigate the genotoxicity and ... ...

    Abstract Iron oxide nanoparticles (IONPs) have been tested to remediate aquatic environments polluted by chemicals, such as pesticides. However, their interactive effects on aquatic organisms remain unknown. This study aimed to investigate the genotoxicity and mutagenicity of co-exposure of IONPs (γ-Fe
    MeSH term(s) Animals ; Comet Assay ; DNA Damage ; Glycine/analogs & derivatives ; Glycine/toxicity ; Herbicides/toxicity ; Magnetic Iron Oxide Nanoparticles/toxicity ; Micronucleus Tests ; Mutagens/toxicity ; Poecilia/genetics ; Water Pollutants, Chemical/toxicity ; Glyphosate
    Chemical Substances Herbicides ; Mutagens ; Water Pollutants, Chemical ; Glycine (TE7660XO1C)
    Language English
    Publishing date 2020-10-23
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 1318302-3
    ISSN 1872-7077 ; 1382-6689
    ISSN (online) 1872-7077
    ISSN 1382-6689
    DOI 10.1016/j.etap.2020.103521
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  10. Article ; Online: Toxicity of engineered nanomaterials to aquatic and land snails: A scientometric and systematic review.

    Caixeta, Maxwell Batista / Araújo, Paula Sampaio / Gonçalves, Bruno Bastos / Silva, Luciana Damacena / Grano-Maldonado, Mayra Ixchel / Rocha, Thiago Lopes

    Chemosphere

    2020  Volume 260, Page(s) 127654

    Abstract: The emerging growth of nanotechnology has attracted great attention due to its application in the parasite and intermediate host control. However, the knowledge concerning the mechanism of action (MoA) and toxicity of nanomaterials (NMs) to snails remain ...

    Abstract The emerging growth of nanotechnology has attracted great attention due to its application in the parasite and intermediate host control. However, the knowledge concerning the mechanism of action (MoA) and toxicity of nanomaterials (NMs) to snails remain unclear. In this context, the present study revised the historical use of snails as experimental models in nanotoxicological studies and summarized the MoA and toxicity of NMs in aquatic and land snails. The data concerning the bioaccumulation, reproductive and transgenerational toxicity, embryotoxicity, genotoxicity and potential molluscicidal activity of NMs were revised. Furthermore, the data about the experimental conditions, such as exposure time, concentrations, cell and tissue-specific responses, snail species and nanoparticle types are discussed. Revised data showed that the toxic effects of NMs were reported for 21 snail species with medical, veterinary and ecological importance. The NM toxicity to snails is dependent on the physical and chemical properties of NMs, as well as their environmental transformation and experimental design. The NM bioaccumulation on snails was related to several toxic effects, such as reactive oxygen species (ROS) production, oxidative stress, following by oxidative damage to DNA, lipids and proteins. The NM metabolism in snails remains unknown. Results showed the potential use of NMs in the snail control program. Also, significant research gaps and recommendations for future researches are indicated. The present study confirms that snails are suitable invertebrate model system to assess the nanotoxicity.
    MeSH term(s) Animals ; Aquatic Organisms ; DNA Damage ; Molluscacides ; Nanostructures/chemistry ; Nanostructures/toxicity ; Nanotechnology ; Oxidative Stress/drug effects ; Reactive Oxygen Species/metabolism ; Water Pollutants, Chemical/toxicity
    Chemical Substances Molluscacides ; Reactive Oxygen Species ; Water Pollutants, Chemical
    Language English
    Publishing date 2020-07-12
    Publishing country England
    Document type Journal Article ; Systematic Review
    ZDB-ID 120089-6
    ISSN 1879-1298 ; 0045-6535 ; 0366-7111
    ISSN (online) 1879-1298
    ISSN 0045-6535 ; 0366-7111
    DOI 10.1016/j.chemosphere.2020.127654
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