PMID- 33211967
OWN - NLM
STAT- MEDLINE
DCOM- 20210305
LR  - 20210305
IS  - 1520-5851 (Electronic)
IS  - 0013-936X (Linking)
VI  - 54
IP  - 24
DP  - 2020 Dec 15
TI  - Occurrence of Halogenated Organic Pollutants in Hadal Trenches of the Western 
      Pacific Ocean.
PG  - 15821-15828
LID - 10.1021/acs.est.0c04995 [doi]
AB  - The hadal trenches are the most remote and inaccessible habitats on earth and 
      were once believed to be pristine. A recent study has reported the detection of 
      high levels of persistent organic pollutants (POPs), including polybrominated 
      diphenyl ethers (PBDEs) and polychlorinated biphenyls (PCBs), in endemic 
      amphipods from two hadal trenches (Mariana and Kermadec) in the Western Pacific, 
      implicating that the trenches are indeed polluted. However, a fundamental 
      question remains unanswered, if and to what extent such the physical environment 
      of the trenches is polluted by POPs. In this study, we sampled Mariana, Mussau, 
      and New Britain trenches and analyzed samples of amphipods, sediment, and 
      suspended particulate matter (SPM). Our results show that the amphipods contained 
      elevated levels of PCBs and PBDEs, comparable to those reported in the earlier 
      study. We also detected significantly high concentrations (up to 1343 ng g(-1) 
      lw) of chlorinated pesticides, such as dichlorodiphenyltrichloroethanes and 
      chlordanes. Furthermore, four brominated natural products (BNPs), which 
      structurally resembled methoxylated brominated diphenyl ethers or polybrominated 
      biphenyls, were identified in the endemic amphipods. However, neither POPs nor 
      BNPs were detected in sediments or SPM. Taken together, we propose that the POPs 
      detected in endemic amphipods likely resulted from bioaccumulation by feeding on 
      polluted large detritus (e.g., carrion) falling to the trench bottoms from the 
      surface ocean.
FAU - Cui, Juntao
AU  - Cui J
AUID- ORCID: 0000-0002-7646-0762
AD  - State Key Laboratory of Organic Geochemistry, Guangzhou Institute of 
      Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China.
AD  - University of Chinese Academy of Sciences, Beijing 100049, China.
FAU - Yu, Zhiqiang
AU  - Yu Z
AUID- ORCID: 0000-0002-8631-2704
AD  - State Key Laboratory of Organic Geochemistry, Guangzhou Institute of 
      Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China.
FAU - Mi, Mei
AU  - Mi M
AD  - Key Laboratory of Mineralogy and Metallogeny, Guangzhou Institute of 
      Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China.
FAU - He, Lisheng
AU  - He L
AD  - Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya 
      572000, China.
FAU - Sha, Zhongli
AU  - Sha Z
AD  - CAS Key Laboratory of Marine Geology and Environment, Center of Deep Sea 
      Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, 
      China.
FAU - Yao, Peng
AU  - Yao P
AUID- ORCID: 0000-0002-8906-4929
AD  - Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, 
      Ocean University of China, Qingdao 266100, China.
FAU - Fang, Jiasong
AU  - Fang J
AD  - Laboratory for Marine Mineral Resources, Laboratory for Marine Biology and 
      Biotechnology, Qingdao National Laboratory for Marine Science and Technology, 
      Qingdao 266071, China.
AD  - Hadal Science and Technology Research Center, Shanghai Ocean University, Shanghai 
      201306, China.
AD  - College of Natural and Computational Sciences, Hawaii Pacific University, 
      Honolulu, Hawaii 96813, United States.
FAU - Sun, Weidong
AU  - Sun W
AD  - CAS Key Laboratory of Marine Geology and Environment, Center of Deep Sea 
      Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, 
      China.
AD  - Laboratory for Marine Mineral Resources, Laboratory for Marine Biology and 
      Biotechnology, Qingdao National Laboratory for Marine Science and Technology, 
      Qingdao 266071, China.
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20201119
PL  - United States
TA  - Environ Sci Technol
JT  - Environmental science & technology
JID - 0213155
RN  - 0 (Environmental Pollutants)
RN  - 0 (Halogenated Diphenyl Ethers)
RN  - 0 (Hydrocarbons, Chlorinated)
RN  - 0 (Water Pollutants, Chemical)
RN  - DFC2HB4I0K (Polychlorinated Biphenyls)
SB  - IM
MH  - Animals
MH  - Environmental Monitoring
MH  - *Environmental Pollutants
MH  - Halogenated Diphenyl Ethers/analysis
MH  - *Hydrocarbons, Chlorinated/analysis
MH  - Pacific Ocean
MH  - *Polychlorinated Biphenyls/analysis
MH  - *Water Pollutants, Chemical/analysis
EDAT- 2020/11/20 06:00
MHDA- 2021/03/06 06:00
CRDT- 2020/11/19 20:08
PHST- 2020/11/20 06:00 [pubmed]
PHST- 2021/03/06 06:00 [medline]
PHST- 2020/11/19 20:08 [entrez]
AID - 10.1021/acs.est.0c04995 [doi]
PST - ppublish
SO  - Environ Sci Technol. 2020 Dec 15;54(24):15821-15828. doi: 
      10.1021/acs.est.0c04995. Epub 2020 Nov 19.