Impact of common environmental chemicals bisphenol A and bisphenol S on the physiology of Lumbriculus variegatus

Environmental Toxicology and Pharmacology
Victoria Vought, Hong-Sheng Wang

Abstract

Bisphenol A (BPA) is a component of polycarbonate plastics and a near ubiquitous environmental endocrine disrupting chemical. Bisphenol S (BPS), a substitute of BPA, is also hormonally active. This study examines the effects of aqueous exposure to BPA and BPS on the freshwater annelids Lumbriculus variegatus, a keystone species in shallow water ecosystems. Both BPA and BPS, at both low dose (10-9 M) and high dose (10-6 M), retarded the initial phase of body regrowth after cutting/fragmentation, which is the main mode of reproduction of L. variegatus. Both acute and five day exposure to BPA and BPS increased pulse rate of the dorsal blood vessel. For all the measured endpoints, the effects of BPA and BPS were nearly indistinguishable. These results indicate that BPA and BPS have similar and significant effects on the physiology of L. variegatus. These findings have implication for the potential impact of these bisphenols on invertebrates in the ecosystem.

Citations

Jun 14, 2021·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·Yuyang Wang, Hong-Sheng Wang
Aug 21, 2021·Pharmacology Research & Perspectives·Aidan SeeleyMelisa J Wallace

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