Abstract
It has been observed that freshwater planarians can accumulate cadmium in their head portions, with neurotoxicity and head loss accompanying this phenomenon. Since planarians exhibit head loss and symptoms of neurotoxicity in response to PAHs, we investigated the differential accumulation of pyrene and B[a]P in the body and head portions of Girardia tigrina, a freshwater planarian. It is evidenced that planarian head fragments present higher amounts of pyrene- and B[a]P-equivalents than body fragments, indicating a differential distribution of these compounds within planarian tissues.
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FCPS: Conceptualization, Investigation, Formal analysis, Visualization, Writing—original draft, Writing—review & editing. ALM: Formal analysis, Visualization, Writing—review & editing. AMVMS: Conceptualization, Project administration, Supervision, Writing—review & editing. JLTP: Conceptualization, Resources, Project administration, Funding acquisition, Supervision, Writing—review & editing. All authors have approved the final paper.
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Centre for Environmental and Marine Studies (CESAM) has the financial support of Fundação para a Ciência e a Tecnologia (FCT - Portugal) and Ministério da Ciência, Tecnologia e Ensino Superior (MCTES - Portugal) through national funds (UIDP/50017/2020+UIDB/50017/2020); FCT and POPH/FSE (Programa Operacional Potencial Humano/Fundo Social Europeu) funded the research contract of João LT Pestana under the program “Investigador FCT 2015” (IF/01420/2015) and Fátima CP Simão was also supported by FCT through doctoral grant (SFRH/BD/52567/2014).
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Simão, F.C.P., Machado, A.L., Soares, A.M.V.M. et al. Differential accumulation of PAHs within planarian cephalic and posterior body parts. Ecotoxicology 30, 2132–2135 (2021). https://doi.org/10.1007/s10646-021-02466-7
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DOI: https://doi.org/10.1007/s10646-021-02466-7