Ocean acidification effects on the stress response in a calcifying antarctic coastal organism: The case of Nacella concinna ecotypes

de Aranzamendi M. C.; Servetto N.; Movilla J.; Bettencourt R.; Sahade R.

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Ocean acidification effects on the stress response in a calcifying antarctic coastal organism: The case of Nacella concinna ecotypes

机译：钙化南极沿海生物中应力反应的海洋酸化作用：Nacella Concinna Ecotypes的情况

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Ocean acidification (OA) could become a serious threat for the Antarctic marine ecosystem over coming years, as the solubility of atmospheric CO2 and CaCO3 minerals increases at lower temperatures. We evaluated the effect of OA on the stress response of the limpet Nacella concinna by measuring gene expression levels. The experiment was performed with the two ecotypes (Littoral and Sublittoral) of the species during 54 days (IPCC, 2019 scenario RCP8.5; control, -375 ppm; low-pH treatment, -923 ppm). Exposure to low-pH treatment during 15 days triggered the down-regulation of two heat-shock protein genes (HSP70A, HSP70B) only in sublittoral individuals. Little variation in the relative expression values of all genes in both ecotypes was observed probably, due to a historical exposure to the substantial daily natural pH fluctuations recorded in the study area during the experiment. This study provides relevant baseline data for future OA experiments on coastal species in Antarctica.

机译：海洋酸化（OA）可能成为未来几年南极海洋生态系统的严重威胁，因为大气CO2和CaCO3矿物质的溶解度在较低温度下增加。通过测量基因表达水平，我们评估了OA对耐培纳克拉菌的应力响应的影响。在54天内（IPCC，2019场景RCP8.5的物种的两种生态型（Littoral和盲孔）进行了实验;对照，-375ppm;低pH处理，-923ppm）。在15天内暴露于低pH处理，引发仅在档案中的两个热休克蛋白基因（HSP70A，HSP70B）的下调。可能在实验期间研究区域中记录的实际日常天然pH波动历史暴露，观察到两种生态型中所有基因相对表达值的变化很小。本研究为未来OA实验提供了关于南极洲沿海物种的相关基线数据。

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《Marine pollution bulletin》 |2021年第5期|112218.1-112218.6|共6页
作者
de Aranzamendi M. C.; Servetto N.; Movilla J.; Bettencourt R.; Sahade R.;
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作者单位

Univ Nacl Cordoba Fac Ciencias Exactas Fis & Nat Av Velez Sarsfield 299 X5000JJC Cordoba Argentina|Consejo Nacl Invest Cient & Tecn Inst Diversidad & Ecol Anim IDEA Ecosistemas Marinos Polares Cordoba Argentina;

Univ Nacl Cordoba Fac Ciencias Exactas Fis & Nat Av Velez Sarsfield 299 X5000JJC Cordoba Argentina|Consejo Nacl Invest Cient & Tecn Inst Diversidad & Ecol Anim IDEA Ecosistemas Marinos Polares Cordoba Argentina;

Inst Espahol Oceanog Ctr Oceanog Baleares Estn Invest Jaume Ferrer La Mola S-N Menorca 07720 Spain;

Univ Azores OKEANOS Marine Res Ctr Fac Sci & Technol P-9900862 Horta Portugal;

Univ Nacl Cordoba Fac Ciencias Exactas Fis & Nat Av Velez Sarsfield 299 X5000JJC Cordoba Argentina|Consejo Nacl Invest Cient & Tecn Inst Diversidad & Ecol Anim IDEA Ecosistemas Marinos Polares Cordoba Argentina;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
中图分类
关键词
Ocean acidification; Ecotypes; Nacella concinna; Coastal Antarctic ecosystem; Antarctica; Gene expression levels;

机译：海洋酸化;生态型;Nacella Concinna;沿海南极生态系统;南极洲;基因表达水平;

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专利

1. Ocean acidification effects on the stress response in a calcifying antarctic coastal organism: The case of Nacella concinna ecotypes [J] . Oceanographic Literature Review . 2021,第5期

机译：钙化南极沿海生物中应力反应的海洋酸化作用：Nacella Concinna Ecotypes的情况
2. Evaluating the effects of ocean warming and freshening on the physiological energetics and transcriptomic response of the Antarctic limpet Nacella concinna [J] . Jorge M. Navarro, Camille Detree, Simon A. Morley, Science of the total environment . 2020,第Deca15期

机译：评估海洋变暖和清新对南极峡谷纳卡拉菌的生理能量学和转录组的影响
3. Triggers of the HSP70 stress response: environmental responses and laboratory manipulation in an Antarctic marine invertebrate (Nacella concinna) [J] . Melody S. Clark, Lloyd S. Peck Cell stress & chaperones . 2009,第6期

机译：HSP70应激反应的触发因素：南极海洋无脊椎动物（Nacella concinna）的环境反应和实验室操作
4. Developing a profiling glider pH sensor for high resolution coastal ocean acidification monitoring [C] . Grace K. Saba, Elizabeth Wright-Fairbanks, Travis N. Miles, MTS/IEEE Charleston OCEANS Conference . 2019

机译：开发轮廓滑翔机pH传感器，用于高分辨率沿海海洋酸化监测
5. Corals and ocean acidification: Insights on reef community development and coral calcification in an acidified ocean. [D] . Crook, Elizabeth Derse. 2015

机译：珊瑚和海洋酸化：对酸化海洋中珊瑚礁群落发展和珊瑚钙化的见解。
6. Triggers of the HSP70 stress response: environmental responses and laboratory manipulation in an Antarctic marine invertebrate (Nacella concinna) [O] . Melody S. Clark, Lloyd S. Peck 2009

机译：HSP70应激反应的触发因素：南极海洋无脊椎动物（Nacella concinna）的环境反应和实验室操作
7. Triggers of the HSP70 stress response: environmental responses and laboratory manipulation in an Antarctic marine invertebrate (Nacella concinna) [O] . Clark, Melody S., Peck, Lloyd S. 2009

机译：HSP70应激反应的触发因素：南极海洋无脊椎动物（Nacella concinna）的环境反应和实验室操作

Ocean acidification effects on the stress response in a calcifying antarctic coastal organism: The case of Nacella concinna ecotypes

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