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发育温度调节了微塑料对两动物生命史的影响,而不会影响本体遗传微塑料转移
1Department of Biological Sciences, Kongju National University, Gongju 32588, the Republic of Korea.
Journal of hazardous materials
|August 4, 2024
概括
温度通过减少死亡率和形来减轻日本树受到的微塑料 (MP) 伤害. 然而,国会议员仍然影响青的发育和肠道健康,变形后的影响仍然存在.
科学领域:
- 环境毒理学环境毒理学
- 两动物生物学
- 生态毒理学 生态毒理学
背景情况:
- 微塑料 (MP) 污染对水生和陆生生态系统构成越来越大的威胁.
- 两动物特别容易受到环境污染物的影响,因为它们的皮肤具有透性和双相生命周期.
- 两动物中温度和MP毒性等环境因素之间的相互作用仍然不太清楚.
研究的目的:
- 研究温度对微塑料 (MP) 污染对日本树 (Dryophytes japonicus) 的影响的影响.
- 评估温度如何调节MP诱导的死亡率,发育形和两变形期间的生理反应.
- 确定温度在MPs通过两动物的本体遗传转移和生态分散中的作用.
主要方法:
- 日本树在受控温度条件下 (低温与高温) 暴露于微塑料 (MP).
- 在转化过程中评估了MP从水中转移到陆地环境的转移.
- 评估了生命史的特征 (死亡率,生长),形态形 (后肢),消化道的可塑性和便微生物组合.
主要成果:
- 微塑料 (MP) 在两动物的变形中被转移,促进了潜在的生态系统转移.
- 高温显著降低了MP诱导的死亡率和后肢形,减轻了不良生命史影响.
- 暴露于MP诱导了消化道的形态变化和便微生物组的改变,特别是在高温下,其影响在变形后仍然存在.
结论:
- 温度在缓解日本树中微塑料 (MP) 的急性毒性方面发挥着至关重要的作用.
- 在转化过程中MP的体遗传转移突出了MP在息地传播的潜在机制.
- 对两动物种群的长期MP影响是复杂的,受到温度等环境因素的影响,需要进一步研究.
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