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성균관대학교

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J. Hazard. Mater., Sep 21 2023, 461 S0304-3894(23)01876-9 | https://doi.org/10.1016/j.jhazmat.2023.132593 Transgenerational adaptation to ocean acidification determines the susceptibility of filter-feeding rotifers to nanoplastics.

Min-Sub Kim ^a,1, Young Hwan Lee^b,1, Yoseop Lee ^a, Eunjin Byeon ^a, Duck-Hyun Kim^a, Minghua Wang ^c, Atsushi Hagiwara ^d, Manuel Aranda ^e, Rudolf Shiu Sun Wu^f,g, Heum Gi Park ^b, Jae-Seong Lee ^a

^aDepartment of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea

^bDepartment of Marine Ecology and Environment, College of Life Sciences, Gangneung-Wonju National University, Gangneung 25457, South Korea

^cFujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies/College of the Environment & Ecology, Xiamen University, Xiamen 361102, China

^dGraduate School of Fisheries and Environmental Sciences, Nagasaki University, Nagasaki 852-8521, Japan

^eMarine Science Program, Biological and Environmental Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia

^fDepartment of Science and Environmental Studies, The Education University of Hong Kong, Hong Kong Special Administrative region of China

^gState Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region of China

¹These authors contributed equally to this manuscript.

Corresponding author : Jae-Seong Lee

Abstract

The adaptation of marine organisms to the impending challenges presented by ocean acidification (OA) is essential for their future survival, and mechanisms underlying OA adaptation have been reported in several marine organisms. In the natural environment, however, marine organisms are often exposed to a combination of environmental stressors, and the interactions between adaptive responses have yet to be elucidated. Here, we investigated the susceptibility of filter-feeding rotifers to short-term (ST) and long-term (LT) (≥180 generations) high CO ₂ conditions coupled with nanoplastic (NPs) exposure (ST+ and LT+). Adaptation of rotifers to elevated CO ₂ caused differences in ingestion and accumulation of NPs, resulting in a significantly different mode of action on in vivo endpoints between the ST+ and LT+ groups. Moreover, microRNA-mediated epigenetic regulation was strongly correlated with the varied adaptive responses between the ST+ and LT+ groups, revealing novel regulatory targets and pathways. Our results indicate that pre-exposure history to increased CO ₂ levels is an important factor in the susceptibility of rotifers to NPs.

논문정보

형식Research article
게재일2023년 09월 (BRIC 등록일 2023-10-10)
연구진국내(교신)+국외 연구진
분야 생명과학 > 분류/생태/환경생물학

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