Exposure to microplastics renders immunity of the thick-shell mussel more vulnerable to diarrhetic shellfish toxin-producing harmful algae
Copyright © 2024 Elsevier B.V. All rights reserved..
Despite both microplastics (MPs) and harmful algae blooms (HABs) may pose a severe threat to the immunity of marine bivalves, the toxification mechanism underlying is far from being fully understood. In addition, owing to the prevalence and sudden occurrence characteristics of MPs and HABs, respectively, bivalves with MP-exposure experience may face acute challenge of harmful algae under realistic scenarios. However, little is known about the impacts and underlying mechanisms of MP-exposure experience on the susceptibility of immunity to HABs in bivalve mollusks. Taking polystyrene MPs and diarrhetic shellfish toxin-producing Prorocentrum lima as representatives, the impacts of MP-exposure on immunity vulnerability to HABs were investigated in the thick-shell mussel, Mytilus coruscus. Our results revealed evident immunotoxicity of MPs and P. lima to the mussel, as evidenced by significantly impaired total count, phagocytic activity, and cell viability of haemocytes, which may result from the induction of oxidative stress, aggravation of haemocyte apoptosis, and shortage in cellular energy supply. Moreover, marked disruptions of immunity, antioxidant system, apoptosis regulation, and metabolism upon MPs and P. lima exposure were illustrated by gene expression and comparative metabolomic analyses. Furthermore, the mussels that experienced MP-exposure were shown to be more vulnerable to P. lima, indicated by greater degree of deleterious effects on abovementioned parameters detected. In general, our findings emphasize the threat of MPs and HABs to bivalve species, which deserves close attention and more investigation.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:926 |
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| Enthalten in: |
The Science of the total environment - 926(2024) vom: 20. Apr., Seite 172125 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yuan, Kuan-Kuan [VerfasserIn] |
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| Links: |
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| Themen: |
Bivalve mollusks |
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| Anmerkungen: |
Date Completed 17.04.2024 Date Revised 17.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.scitotenv.2024.172125 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Despite both microplastics (MPs) and harmful algae blooms (HABs) may pose a severe threat to the immunity of marine bivalves, the toxification mechanism underlying is far from being fully understood. In addition, owing to the prevalence and sudden occurrence characteristics of MPs and HABs, respectively, bivalves with MP-exposure experience may face acute challenge of harmful algae under realistic scenarios. However, little is known about the impacts and underlying mechanisms of MP-exposure experience on the susceptibility of immunity to HABs in bivalve mollusks. Taking polystyrene MPs and diarrhetic shellfish toxin-producing Prorocentrum lima as representatives, the impacts of MP-exposure on immunity vulnerability to HABs were investigated in the thick-shell mussel, Mytilus coruscus. Our results revealed evident immunotoxicity of MPs and P. lima to the mussel, as evidenced by significantly impaired total count, phagocytic activity, and cell viability of haemocytes, which may result from the induction of oxidative stress, aggravation of haemocyte apoptosis, and shortage in cellular energy supply. Moreover, marked disruptions of immunity, antioxidant system, apoptosis regulation, and metabolism upon MPs and P. lima exposure were illustrated by gene expression and comparative metabolomic analyses. Furthermore, the mussels that experienced MP-exposure were shown to be more vulnerable to P. lima, indicated by greater degree of deleterious effects on abovementioned parameters detected. In general, our findings emphasize the threat of MPs and HABs to bivalve species, which deserves close attention and more investigation | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Bivalve mollusks | |
| 650 | 4 | |a Harmful algae blooms | |
| 650 | 4 | |a Immunotoxicity | |
| 650 | 4 | |a Microplastics | |
| 650 | 4 | |a Prorocentrum lima | |
| 650 | 7 | |a Marine Toxins |2 NLM | |
| 650 | 7 | |a Microplastics |2 NLM | |
| 650 | 7 | |a Plastics |2 NLM | |
| 700 | 1 | |a Yu, Ying-Ying |e verfasserin |4 aut | |
| 700 | 1 | |a Mo, Yan-Hang |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Yu-Jie |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Wei-Xia |e verfasserin |4 aut | |
| 700 | 1 | |a Lv, Jin-Jin |e verfasserin |4 aut | |
| 700 | 1 | |a Shi, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Guang-Xu |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Hong-Ye |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Wei-Dong |e verfasserin |4 aut | |
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