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Utsunomiya HSM, Ferraz JVC, Fujiwara GH, Gutierres DM, Fernandes IF, de Lacerda Valverde BS, de Oliveira C, Franco-Belussi L, Fernandes MN, Dos Santos Carvalho C. Changes in blood parameters and metabolism in bullfrog tadpoles, Lithobates catesbeianus, (Shaw, 1802) after exposure to the Sorocaba River (São Paulo, Brazil) water. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:33419-33431. [PMID: 36480144 DOI: 10.1007/s11356-022-24590-5] [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: 08/04/2022] [Accepted: 11/30/2022] [Indexed: 06/17/2023]
Abstract
This study evaluated the genetic damage, oxidative stress, neurotoxicity, and energy metabolism in bullfrog tadpoles (Lithobates catesbeianus) exposed to water from two sites of the Sorocaba River, Ibiúna (PI), and Itupararanga reservoir (PIR), in summer and winter. After 96-h exposure, the erythrocyte number decreased in PI and increase in PIR in summer. Bullfrogs show oxidative unbalance (liver, kidney, and muscle), with alterations in the nitric oxide synthase and glucose 6-phosphate dehydrogenase. Cholinesterase increased in the brain in PI and PIR in the summer and decreased in PI in the winter. It also increased in the muscle in both PI and PIR in the winter. Tadpoles show alterations in the activity of the metabolic enzymes (liver, kidney, and muscle), such as phosphofructokinase, pyruvatokinase, malate dehydrogenase, and lactate dehydrogenase; and in the amount of glucose and triglycerides metabolites. Exposure to the Sorocaba River reflected a stressful situation for L. catesbeianus as the changes caused to their metabolism associated with oxidative stress and neurotoxicity may have effects on the development of tadpoles.
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Affiliation(s)
- Heidi Samantha Moraes Utsunomiya
- Laboratório de Bioquímica E Microbiologia (LaBioM), Universidade Federal de São Carlos, Campus Sorocaba, Rodovia João Leme Dos Santos, Km 110, SP-264, Sorocaba, SP, CEP 18052-780, Brazil
| | - João Victor Cassiel Ferraz
- Laboratório de Bioquímica E Microbiologia (LaBioM), Universidade Federal de São Carlos, Campus Sorocaba, Rodovia João Leme Dos Santos, Km 110, SP-264, Sorocaba, SP, CEP 18052-780, Brazil
| | - Gabriel Hiroshi Fujiwara
- Laboratório de Bioquímica E Microbiologia (LaBioM), Universidade Federal de São Carlos, Campus Sorocaba, Rodovia João Leme Dos Santos, Km 110, SP-264, Sorocaba, SP, CEP 18052-780, Brazil
| | - Davi Marques Gutierres
- Laboratório de Bioquímica E Microbiologia (LaBioM), Universidade Federal de São Carlos, Campus Sorocaba, Rodovia João Leme Dos Santos, Km 110, SP-264, Sorocaba, SP, CEP 18052-780, Brazil
| | - Isabela Ferreira Fernandes
- Laboratório de Bioquímica E Microbiologia (LaBioM), Universidade Federal de São Carlos, Campus Sorocaba, Rodovia João Leme Dos Santos, Km 110, SP-264, Sorocaba, SP, CEP 18052-780, Brazil
- Programa de Pós-Graduação Em Biotecnologia E Monitoramento Ambiental, Universidade Federal de São Carlos, Campus Sorocaba, Rodovia João Leme Dos Santos, Km 110, SP-264, Sorocaba, SP, CEP 18052-780, Brazil
| | - Bruno Serra de Lacerda Valverde
- Programa de Pós-Graduação Em Biodiversidade, Universidade Estadual Paulista (UNESP), Campus de São José Do Rio Preto, São José Do Rio Preto, SP, Brazil
| | - Classius de Oliveira
- Departamento de Ciências Biológicas, Universidade Estadual Paulista (UNESP), Campus de São José Do Rio Preto, São José Do Rio Preto, SP, Brazil
| | - Lilian Franco-Belussi
- Laboratório de Patologia Experimental (LAPex), Instituto de Biociências, Universidade Federal de Mato Grosso Do Sul, Campus Campo Grande, Campo Grande, MS, Brazil
| | - Marisa Narciso Fernandes
- Departamento de Ciências Fisiológicas, Universidade Federal de São Carlos, Caixa Postal 676, Rodovia Washington Luís Km 235, São Carlos, SP, CEP 13565-905, Brazil
| | - Cleoni Dos Santos Carvalho
- Laboratório de Bioquímica E Microbiologia (LaBioM), Universidade Federal de São Carlos, Campus Sorocaba, Rodovia João Leme Dos Santos, Km 110, SP-264, Sorocaba, SP, CEP 18052-780, Brazil.
- Programa de Pós-Graduação Em Biotecnologia E Monitoramento Ambiental, Universidade Federal de São Carlos, Campus Sorocaba, Rodovia João Leme Dos Santos, Km 110, SP-264, Sorocaba, SP, CEP 18052-780, Brazil.
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Ascoli-Morrete T, Bandeira NMG, Signor E, Gazola HA, Homrich IS, Biondo R, Rossato-Grando LG, Zanella N. Bioaccumulation of pesticides and genotoxicity in anurans from southern Brazil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:45549-45559. [PMID: 35147872 DOI: 10.1007/s11356-022-19042-z] [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: 06/21/2021] [Accepted: 01/27/2022] [Indexed: 06/14/2023]
Abstract
The expansion of agricultural activities causes habitat loss and fragmentation and the pollution of natural ecosystems through the intense use of pesticides, which may affect the populations of amphibian anurans that inhabit agricultural areas. The present study evaluated the in situ bioaccumulation of pesticides in a population of Leptodactylus luctator that occupies farmland in southern Brazil. We also compared the genotoxicity of L. luctator populations from farmland and forested areas in the same region. We analyzed the micronuclei and nuclear abnormalities of 34 adult anurans, 19 from farmland, and 15 from the forested area. We also assessed the presence of 32 pesticides in liver samples obtained from 18 farmland-dwelling anurans, using chromatographic analysis. We recorded significantly higher rates of nuclear abnormalities in the individuals from the farmland, in comparison with the forest. We detected nine pesticides in the liver samples, of which, deltamethrin was the most common and carbosulfan was recorded at the highest concentrations. The bioaccumulation of pesticides and the higher levels of genotoxic damage found in the anurans from agricultural areas, as observed in the present study, represent a major potential problem for the conservation of these vertebrates, including the decline of their populations and the extinction of species.
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Affiliation(s)
- Thaís Ascoli-Morrete
- Programa de Pós-Graduação em Ciências Ambientais, Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil.
- Instituto de Ciências Biológicas (ICB), Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil.
| | - Nelson M G Bandeira
- Centro de Pesquisa em Alimentação (CEPA), Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Elias Signor
- Centro de Pesquisa em Alimentação (CEPA), Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Humberto A Gazola
- Instituto de Ciências Biológicas (ICB), Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Isis S Homrich
- Programa de Pós-Graduação em Biologia Animal, Universidade Federal Do Rio Grande Do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Rhaíssa Biondo
- Instituto de Ciências Biológicas (ICB), Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Luciana G Rossato-Grando
- Instituto de Ciências Biológicas (ICB), Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil
- Programa de Pós-Graduação em Bioexperimentação, Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Noeli Zanella
- Programa de Pós-Graduação em Ciências Ambientais, Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil
- Instituto de Ciências Biológicas (ICB), Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil
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Bordin RO, Dos Santos Fernandes CE, Franco-Belussi L, Ribeiro Farias Leão T, Sanabria M. Sperm morphology and testicular histology of the polyandric species Leptodactylus podicipinus (Anura: Leptodactylidae) from an urban environment. Anat Rec (Hoboken) 2022; 305:3532-3542. [PMID: 35365960 DOI: 10.1002/ar.24928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 03/15/2022] [Accepted: 03/15/2022] [Indexed: 11/11/2022]
Abstract
Anurans have a high reproductive diversity, which is closely associated with testicular dynamics and sperm production. This variety in reproduction is modulated by the sexual characteristics of reproductive strategies, such as polyandry. Leptodactylus podicipinus has high reproductive plasticity, wide geographical distribution, and polyandric behavior. Although aspects of the testes and sperm of this species are known, knowledge about the relationship between these aspects and reproductive investment is scarce. The present study evaluated the morphological characteristics of the testes and sperm in an urban environment. We used 11 sexually mature males from the city of Campo Grande, Mato Grosso do Sul, Brazil. The specimens were obtained from night excursions between April and September; the months that constitute the post-rainy season. The biometric data (snout-vent length, testes, and body mass) were associated with sperm parameters (length of the spermatozoon head and tail). Stereological analyses of sperm morphology and the testes were performed. The results showed correlations between testis mass and spermatozoon length, which were positively related to head length and negatively related to tail length. The locular area and tail length were also negatively correlated. The percentage of normal spermatozoa was 97%; however, some sperm heads and tails exhibited different morphologies from the pattern described for the species. The germinative structure comprised more than 50% of the locular area composed of spermatozoa. The results of this study contribute to the knowledge of aspects related to the reproductive biology of L. podicipinus obtained from an urban environment.
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Affiliation(s)
- Rafael Oliveira Bordin
- Programa de pós graduação em Biologia Animal, Universidade Federal de Mato Grosso do Sul, 79070-900, Campo Grande, MS, Brasil
| | - Carlos Eurico Dos Santos Fernandes
- Laboratório de Patologia Experimental (LAPEx), Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Campo Grande, Brasil
| | - Lilian Franco-Belussi
- Laboratório de Patologia Experimental (LAPEx), Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Campo Grande, Brasil
| | - Taynara Ribeiro Farias Leão
- Programa de pós graduação em Biodiversidade, Universidade Estadual Paulista, São José do Rio Preto, SP, Brasil
| | - Marciana Sanabria
- Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, 79070-900, Campo Grande, Brasil
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Benvindo-Souza M, Hosokawa AV, Dos Santos CGA, de Assis RA, Pedroso TMA, Borges RE, Pacheco SM, de Souza Santos LR, de Melo E Silva D. Evaluation of genotoxicity in bat species found on agricultural landscapes of the Cerrado savanna, central Brazil. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 293:118579. [PMID: 34843846 DOI: 10.1016/j.envpol.2021.118579] [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: 09/04/2021] [Revised: 11/13/2021] [Accepted: 11/24/2021] [Indexed: 06/13/2023]
Abstract
Habitat loss and fragmentation together represent the most significant threat to the world's biodiversity. In order to guarantee the survival of this diversity, the monitoring of bioindicators can provide important insights into the health of a natural environment. In this context, we used the comet assay and micronucleus test to evaluate the genotoxic susceptibility of 126 bats of eight species captured in soybean and sugarcane plantation areas, together with a control area (conservation unit) in the Cerrado savanna of central Brazil. No significant differences were found between the specimens captured in the sugarcane and control areas in the frequency of micronuclei and DNA damage (comet assay). However, the omnivore Phyllostomus hastatus had a higher frequency of nuclear abnormalities than the frugivore Carollia perspicillata in the sugarcane area. Insectivorous and frugivorous bats presented a higher frequency of genotoxic damage than the nectarivores in the soybean area. In general, DNA damage and micronuclei were significantly more frequent in agricultural environments than in the control area. While agricultural development is an economic necessity in developing countries, the impacts on the natural landscape may result in genotoxic damage to the local fauna, such as bats. Over the medium to long term, then DNA damage may have an increasingly negative impact on the wellbeing of the local species.
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Affiliation(s)
- Marcelino Benvindo-Souza
- Laboratory of Mutagenesis, Instituto de Ciências Biológicas, ICB I - Universidade Federal de Goiás, Samambaia Campus, Goiânia, Goiás, CEP 74.690-900, Brazil; Laboratory of Ecotoxicologia e Sistemática Animal, Instituto Federal Goiano, Rodovia Sul Goiana, Km 01, Zona Rural, Rio Verde, Goiás, CEP 75.901-970, Brazil.
| | - Akemi Vieira Hosokawa
- Laboratory of Mutagenesis, Instituto de Ciências Biológicas, ICB I - Universidade Federal de Goiás, Samambaia Campus, Goiânia, Goiás, CEP 74.690-900, Brazil
| | - Cirley Gomes Araújo Dos Santos
- Laboratory of Mutagenesis, Instituto de Ciências Biológicas, ICB I - Universidade Federal de Goiás, Samambaia Campus, Goiânia, Goiás, CEP 74.690-900, Brazil
| | - Rhayane Alves de Assis
- Laboratory of Ecotoxicologia e Sistemática Animal, Instituto Federal Goiano, Rodovia Sul Goiana, Km 01, Zona Rural, Rio Verde, Goiás, CEP 75.901-970, Brazil; Department of Biology, Universidade Estadual Paulista, Júlio de Mesquita Filho, São Josédo Rio Preto, São Paulo, CEP 15.054-000, Brazil
| | - Thays Millena Alves Pedroso
- Laboratory of Mutagenesis, Instituto de Ciências Biológicas, ICB I - Universidade Federal de Goiás, Samambaia Campus, Goiânia, Goiás, CEP 74.690-900, Brazil
| | - Rinneu Elias Borges
- Laboratory of Zoology, Universidade de Rio Verde, UniRV, Fazenda Fontes do Saber, Rio Verde, Goiás, CEP 75901-970, Brazil
| | - Susi Missel Pacheco
- Research Department, Instituto Sauver, Rua Dr. Paulo Franco dos Reis 40. Porto Alegre, Rio Grande do Sul, CEP 90.480-090, Brazil
| | - Lia Raquel de Souza Santos
- Laboratory of Ecotoxicologia e Sistemática Animal, Instituto Federal Goiano, Rodovia Sul Goiana, Km 01, Zona Rural, Rio Verde, Goiás, CEP 75.901-970, Brazil.
| | - Daniela de Melo E Silva
- Laboratory of Mutagenesis, Instituto de Ciências Biológicas, ICB I - Universidade Federal de Goiás, Samambaia Campus, Goiânia, Goiás, CEP 74.690-900, Brazil
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Dou L, Mou F, Li J, Wang S. The endocrine disruptor hexachlorobenzene can cause oxidative damage in the testis of mice. Andrologia 2021; 53:e14195. [PMID: 34374107 DOI: 10.1111/and.14195] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 07/05/2021] [Accepted: 07/11/2021] [Indexed: 12/13/2022] Open
Abstract
Hexachlorobenzene is a widespread endocrine disruptor. However, the effect of hexachlorobenzene on the reproductive toxicity of male animals is not described in detail. To investigate the toxic effects of hexachlorobenzene in mouse testes, hexachlorobenzene (100, 400 and 1,600 mg/kg) is fed to mice. The morphology of the testes was analysed by haematoxylin and eosin staining. We also investigated the expression of biomarkers for oxidative stress. Database screening identified proteins that interact with hexachlorobenzene and the aryl hydrocarbon receptor, a weak ligand of hexachlorobenzene. Gene enrichment analysis and protein-protein interaction analyses were also performed. Real-time PCR detected the expression levels of the aryl hydrocarbon receptor in four different stages of testicular cells. We identified significantly increased activity levels of superoxide dismutase (p < 0.05) and catalase (p < 0.05) in mouse testes that had been subjected to oxidative damage. The cell thickness and the number of cell layers in the seminiferous tubules had decreased by varying degrees after the hexachlorobenzene treatment. Particularly, cytokines and proteins involved in transcriptional regulation showed enrichment. The highest levels of aryl hydrocarbon receptor expression were detected in the spermatocytic cell line. Hexachlorobenzene exposure caused testicular damage in mice. The toxicity characteristics of hexachlorobenzene were not dose-dependent.
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Affiliation(s)
- Lu Dou
- Central Laboratory, Chongqing University Three Gorges Hospital, Wanzhou, Chongqing, China
| | - Fangzheng Mou
- Internal Medicine of Traditional Chinese Medicine, Chongqing University Three Gorges Hospital, Wanzhou, Chongqing, China
| | - Jing Li
- Central Laboratory, Chongqing University Three Gorges Hospital, Wanzhou, Chongqing, China.,College of Life Sciences, Chongqing Medical University, Yuzhong, Chongqing, China
| | - Shuhong Wang
- Department of Andrology, Chongqing University Three Gorges Hospital, Wanzhou, Chongqing, China
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