FN Archimer Export Format
PT J
TI Metalloenzyme signatures in authigenic carbonates from the Chukchi Borderlands in the western Arctic Ocean
BT 
AF Lee, Dong-Hun
   Kim, Jung-Hyun
   Lee, Yung Mi
   Bayon, Germain
   Kim, Dahae
   Joe, Young Jin
   Wang, Xudong
   Shin, Kyung-Hoon
   Jin, Young Keun
AS 1:1;2:2;3:2;4:3;5:2;6:2;7:4;8:1;9:2;
FF 1:;2:;3:;4:PDG-REM-GEOOCEAN-ASTRE;5:;6:;7:;8:;9:;
C1 Department of Marine Sciences and Convergent Technology, Hanyang University ERICA Campus, Ansan, 15588, Republic of Korea
   Korea Polar Research Institute, Incheon, 21990, Republic of Korea
   CNRS, Ifremer, Brest University, Geo-Ocean, 29280, Plouzané, France
   Shanghai Engineering Research Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai, 201306, China
C2 UNIV HANYANG, SOUTH KOREA
   KOPRI, SOUTH KOREA
   IFREMER, FRANCE
   UNIV SHANGHAI OCEAN, CHINA
SI BREST
SE PDG-REM-GEOOCEAN-ASTRE
UM GEO-OCEAN
IN WOS Ifremer UMR
   DOAJ
   copubli-int-hors-europe
   copubli-sud
IF 4.6
TC 2
UR https://archimer.ifremer.fr/doc/00797/90877/96486.pdf
   https://archimer.ifremer.fr/doc/00797/90877/96487.docx
LA English
DT Article
AB Migration of methane-rich fluids at submarine cold seeps drives intense microbial activity and precipitation of authigenic carbonates. In this study, we analyzed microbially derived authigenic carbonate samples recently recovered from active gas hydrate mounds on the southwestern slope of the Chukchi Borderlands (CB), western Arctic Ocean. Our main aim was to characterize the distribution patterns of trace elements in carbonate-hosted lipid fractions to assess metalloenzyme requirements of microbes involved in anaerobic oxidation of methane (AOM). We measured stable isotopes, trace elements, lipid biomarkers, and genomic DNA, and results indicate the dominance of AOM-related lipid biomarkers in studied carbonate samples, as well as a predominant occurrence of the anaerobic methanotrophic archaea (ANME)-1. We also report evidence for significant preferential enrichments of various trace elements (Li, Ni, Co, Cu, Zn, and Mo) in the total lipid fractions of CB carbonates, relative to elemental compositions determined for corresponding carbonate fractions, which differ from those previously reported for other seep sites. We hypothesize that trace element enrichments in carbonate-hosted lipid fractions could vary depending on the type of AOM microbial assemblage. Additional work is required to further investigate the mechanisms of lipid-bound trace elements in cold seep carbonates as potential metalloenzymes in AOM. 
PY 2022
PD OCT
SO Scientific Reports
SN 2045-2322
PU Springer Science and Business Media LLC
VL 12
IS 1
UT 000864277100003
DI 10.1038/s41598-022-21184-6
ID 90877
ER

EF