[1] AKSENTOV K I, KALINCHUK V V. Atomic mercury distribution features in the surface air layer in the sea of Japan in the fall of 2010 [J]. Russian Meteorology and Hydrology, 2012, 37(10): 674-680. doi: 10.3103/S1068373912100056
[2] CI Z J, ZHANG X S, WANG Z W, et al. Distribution and air-sea exchange of mercury (Hg) in the Yellow Sea [J]. Atmospheric Chemistry and Physics, 2011, 11(6): 2881-2892. doi: 10.5194/acp-11-2881-2011
[3] SHEU G R, LIN N H, WANG J L, et al. Temporal distribution and potential sources of atmospheric mercury measured at a high-elevation background station in Taiwan [J]. Atmospheric Environment, 2010, 44(20): 2393-2400. doi: 10.1016/j.atmosenv.2010.04.009
[4] JAFFE D, PRESTBO E, SWARTZENDRUBER P, et al. Export of atmospheric mercury from Asia [J]. Atmospheric Environment, 2005, 39(17): 3029-3038. doi: 10.1016/j.atmosenv.2005.01.030
[5] RICE K M, WALKER E M Jr, WU M Z, et al. Environmental mercury and its toxic effects [J]. Journal of Preventive Medicine and Public Health, 2014, 47(2): 74-83. doi: 10.3961/jpmph.2014.47.2.74
[6] DRISCOLL C T, MASON R P, CHAN H M, et al. Mercury as a global pollutant: Sources, pathways, and effects [J]. Environmental Science & Technology, 2013, 47(10): 4967-4983.
[7] CAI X R, CAI B F, ZHANG H R, et al. Establishment of high-resolution atmospheric mercury emission inventories for Chinese cement plants based on the mass balance method [J]. Environmental Science & Technology, 2020, 54(21): 13399-13408.
[8] XU J Y, BRAVO A G, LAGERKVIST A, et al. Sources and remediation techniques for mercury contaminated soil [J]. Environment International, 2015, 74: 42-53. doi: 10.1016/j.envint.2014.09.007
[9] HOROWITZ H M, JACOB D J, AMOS H M, et al. Historical Mercury releases from commercial products: Global environmental implications [J]. Environmental Science & Technology, 2014, 48(17): 10242-10250.
[10] BATRAKOVA N, TRAVNIKOV O, ROZOVSKAYA O. Chemical and physical transformations of mercury in the ocean: A review [J]. Ocean Science, 2014, 10(6): 1047-1063. doi: 10.5194/os-10-1047-2014
[11] UNEP. Global Mercury Assessment 2018: Source, emissions, release, and environmental transport[R]. 2018.
[12] LAMBORG C H, HAMMERSCHMIDT C R, BOWMAN K L, et al. A global ocean inventory of anthropogenic mercury based on water column measurements [J]. Nature, 2014, 512(7512): 65-68. doi: 10.1038/nature13563
[13] LIU M D, CHEN L, WANG X J, et al. Mercury export from mainland China to adjacent seas and its influence on the marine mercury balance [J]. Environmental Science & Technology, 2016, 50(12): 6224-6232.
[14] QIAN Y, YIN X P, LIN H, et al. Why dissolved organic matter enhances photodegradation of methylmercury [J]. Environmental Science and Technology Letters, 2014, 1(10): 426-431. doi: 10.1021/ez500254z
[15] BECKERS F, RINKLEBE J. Cycling of mercury in the environment: Sources, fate, and human health implications: A review [J]. Critical Reviews in Environmental Science and Technology, 2017, 47(9): 693-794. doi: 10.1080/10643389.2017.1326277
[16] BRAUNE B, CHÉTELAT J, AMYOT M, et al. Mercury in the marine environment of the Canadian Arctic: Review of recent findings [J]. Science of the Total Environment, 2015, 509/510: 67-90. doi: 10.1016/j.scitotenv.2014.05.133
[17] BOWMAN K L, HAMMERSCHMIDT C R, LAMBORG C H, et al. Mercury in the north Atlantic Ocean: The US Geotraces zonal and meridional sections [J]. Deep Sea Research Part II:Topical Studies in Oceanography, 2015, 116: 251-261. doi: 10.1016/j.dsr2.2014.07.004
[18] LI Y B, CAI Y. Progress in the study of mercury methylation and demethylation in aquatic environments [J]. Chinese Science Bulletin, 2013, 58(2): 177-185. doi: 10.1007/s11434-012-5416-4
[19] MASON R P, CHOI A L, FITZGERALD W F, et al. Mercury biogeochemical cycling in the ocean and policy implications [J]. Environmental Research, 2012, 119: 101-117. doi: 10.1016/j.envres.2012.03.013
[20] PETROVA M V, OURGAUD M, BOAVIDA J R H, et al. Human mercury exposure levels and fish consumption at the French Riviera [J]. Chemosphere, 2020, 258: 127232. doi: 10.1016/j.chemosphere.2020.127232
[21] SCHAEFER A M, ZOFFER M, YRASTORZA L, et al. Mercury exposure, fish consumption, and perceived risk among pregnant women in coastal Florida [J]. International Journal of Environmental Research and Public Health, 2019, 16(24): 4903. doi: 10.3390/ijerph16244903
[22] MERGLER D, ANDERSON H A, CHAN L H M, et al. Methylmercury exposure and health effects in humans: A worldwide concern [J]. Ambio, 2007, 36(1): 3-11. doi: 10.1579/0044-7447(2007)36[3:MEAHEI]2.0.CO;2
[23] HSU-KIM H, KUCHARZYK K H, ZHANG T, et al. Mechanisms regulating mercury bioavailability for methylating microorganisms in the aquatic environment: A critical review [J]. Environmental Science & Technology, 2013, 47(6): 2441-2456.
[24] SCHAEFER A M, JENSEN E L, BOSSART G D, et al. Hair mercury concentrations and fish consumption patterns in Florida residents [J]. International Journal of Environmental Research and Public Health, 2014, 11(7): 6709-6726. doi: 10.3390/ijerph110706709
[25] KARAGAS M R, CHOI A L, OKEN E, et al. Evidence on the human health effects of low-level methylmercury exposure [J]. Environmental Health Perspectives, 2012, 120(6): 799-806. doi: 10.1289/ehp.1104494
[26] DIMENTO B P, MASON R P. Factors controlling the photochemical degradation of methylmercury in coastal and oceanic waters [J]. Marine Chemistry, 2017, 196: 116-125. doi: 10.1016/j.marchem.2017.08.006
[27] LEHNHERR I, ST LOUIS V L, HINTELMANN H, et al. Methylation of inorganic mercury in polar marine waters [J]. Nature Geoscience, 2011, 4(5): 298-302. doi: 10.1038/ngeo1134
[28] CHEN B W, CHEN P, HE B, et al. Identification of mercury methylation product by tert-butyl compounds in aqueous solution under light irradiation [J]. Marine Pollution Bulletin, 2015, 98(1/2): 40-46.
[29] HAMELIN S, AMYOT M, BARKAY T, et al. Methanogens: principal methylators of mercury in lake periphyton [J]. Environmental Science & Technology, 2011, 45(18): 7693-7700.
[30] LIN H Y, ASCHER D B, MYUNG Y, et al. Mercury methylation by metabolically versatile and cosmopolitan marine bacteria [J]. The ISME Journal, 2021, 15(6): 1810-1825. doi: 10.1038/s41396-020-00889-4
[31] BLUM J D, POPP B N, DRAZEN J C, et al. Methylmercury production below the mixed layer in the North Pacific Ocean [J]. Nature Geoscience, 2013, 6(10): 879-884. doi: 10.1038/ngeo1918
[32] SELIN N E. Global biogeochemical cycling of mercury: A review [J]. Annual Review of Environment and Resources, 2009, 34: 43-63. doi: 10.1146/annurev.environ.051308.084314
[33] ULLRICH S M, TANTON T W, ABDRASHITOVA S A. Mercury in the aquatic environment: A review of factors affecting methylation [J]. Critical Reviews in Environmental Science and Technology, 2001, 31(3): 241-293. doi: 10.1080/20016491089226
[34] LUO H W, CHENG Q Q, PAN X L. Photochemical behaviors of mercury (Hg) species in aquatic systems: A systematic review on reaction process, mechanism, and influencing factor [J]. Science of the Total Environment, 2020, 720: 137540. doi: 10.1016/j.scitotenv.2020.137540
[35] ROSE C H, GHOSH S, BLUM J D, et al. Effects of ultraviolet radiation on mercury isotope fractionation during photo-reduction for inorganic and organic mercury species [J]. Chemical Geology, 2015, 405: 102-111. doi: 10.1016/j.chemgeo.2015.02.025
[36] 毕丽, 贺纪正, 张丽梅, 等. 环境中汞微生物转化研究进展 [J]. 环境化学, 2018, 37(11): 2359-2367. doi: 10.7524/j.issn.0254-6108.2018011703 BI L, HE J Z, ZHANG L M, et al. Microbial transformations of mercury in the environment [J]. Environmental Chemistry, 2018, 37(11): 2359-2367(in Chinese). doi: 10.7524/j.issn.0254-6108.2018011703
[37] 谷春豪, 许怀凤, 仇广乐. 汞的微生物甲基化与去甲基化机理研究进展 [J]. 环境化学, 2013, 32(6): 926-936. doi: 10.7524/j.issn.0254-6108.2013.06.002 GU C H, XU H F, QIU G L. The progress in research on mechanism of microbial mercury methylation and de-methylation [J]. Environmental Chemistry, 2013, 32(6): 926-936(in Chinese). doi: 10.7524/j.issn.0254-6108.2013.06.002
[38] 胡海燕, 冯新斌, 曾永平, 等. 汞的微生物甲基化研究进展 [J]. 生态学杂志, 2011, 30(5): 874-882. doi: 10.13292/j.1000-4890.2011.0143 HU H Y, FENG X B, ZENG Y P, et al. Progress in research on microbial methylation of mercury [J]. Chinese Journal of Ecology, 2011, 30(5): 874-882(in Chinese). doi: 10.13292/j.1000-4890.2011.0143
[39] 刘金铃, 丁振华. 汞的甲基化研究进展 [J]. 地球与环境, 2007, 35(3): 215-222. doi: 10.3969/j.issn.1672-9250.2007.03.004 LIU J L, DING Z H. Progress in research on mercury methylation in environment [J]. Earth and Environment, 2007, 35(3): 215-222(in Chinese). doi: 10.3969/j.issn.1672-9250.2007.03.004
[40] HINTELMANN H, KEPPEL-JONES K, EVANS R D. Constants of mercury methylation and demethylation rates in sediments and comparison of tracer and ambient mercury availability [J]. Environmental Toxicology and Chemistry, 2000, 19(9): 2204-2211. doi: 10.1002/etc.5620190909
[41] FURUTANI A, RUDD J W. Measurement of mercury methylation in lake water and sediment samples [J]. Applied and Environmental Microbiology, 1980, 40(4): 770-776. doi: 10.1128/aem.40.4.770-776.1980
[42] FIGUEIREDO N, SERRALHEIRO M L, CANARIO J, et al. Evidence of mercury methylation and demethylation by the estuarine microbial communities obtained in stable Hg isotope studies [J]. International Journal of Environmental Research and Public Health, 2018, 15(10): 2141. doi: 10.3390/ijerph15102141
[43] LI Y B, YIN Y G, LIU G L, et al. Estimation of the major source and sink of methylmercury in the Florida Everglades [J]. Environmental Science & Technology, 2012, 46(11): 5885-5893.
[44] HAMMERSCHMIDT C R, FITZGERALD W F, LAMBORG C H, et al. Biogeochemistry of methylmercury in sediments of Long Island Sound [J]. Marine Chemistry, 2004, 90(1/2/3/4): 31-52.
[45] HAMMERSCHMIDT C R, FITZGERALD W F. Methylmercury cycling in sediments on the continental shelf of southern New England [J]. Geochimica et Cosmochimica Acta, 2006, 70(4): 918-930. doi: 10.1016/j.gca.2005.10.020
[46] HOLLWEG T A, GILMOUR, MASON R P. Mercury and methylmercury cycling in sediments of the mid-Atlantic continental shelf and slope [J]. Limnology and Oceanography, 2010, 55(6): 2703-2722. doi: 10.4319/lo.2010.55.6.2703
[47] LIU B, SCHAIDER L A, MASON R P, et al. Controls on methylmercury accumulation in northern Gulf of Mexico sediments [J]. Estuarine, Coastal and Shelf Science, 2015, 159: 50-59. doi: 10.1016/j.ecss.2015.03.030
[48] HOLLWEG T A. Mercury cycling in sediments of Chesapeake Bay and the mid-Atlantic continental shelf and slope [J]. The Sciences and Engineering Collection, 2010: 3421837.
[49] HOLLWEG T A, GILMOUR C C, MASON R P. Methylmercury production in sediments of Chesapeake Bay and the mid-Atlantic continental margin [J]. Marine Chemistry, 2009, 114(3/4): 86-101.
[50] HEYES A, MASON R P, KIM E H, et al. Mercury methylation in estuaries: Insights from using measuring rates using stable mercury isotopes [J]. Marine Chemistry, 2006, 102(1/2): 134-147.
[51] MARVIN-DIPASQUALE M, AGEE J, BOUSE R, et al. Microbial cycling of mercury in contaminated pelagic and wetland sediments of San Pablo Bay, California [J]. Environmental Geology, 2003, 43(3): 260-267. doi: 10.1007/s00254-002-0623-y
[52] MUNSON K M, LAMBORG C H, BOITEAU R M, et al. Dynamic mercury methylation and demethylation in oligotrophic marine water [J]. Biogeosciences, 2018, 15(21): 6451-60. doi: 10.5194/bg-15-6451-2018
[53] MONPERRUS M, TESSIER E, AMOUROUX D, et al. Mercury methylation, demethylation and reduction rates in coastal and marine surface waters of the Mediterranean Sea [J]. Marine Chemistry, 2007, 107(1): 49-63. doi: 10.1016/j.marchem.2007.01.018
[54] RODRı́GUEZ MARTı́N-DOIMEADIOS R C, TESSIER E, AMOUROUX D, et al. Mercury methylation/demethylation and volatilization pathways in estuarine sediment slurries using species-specific enriched stable isotopes [J]. Marine Chemistry, 2004, 90(1/2/3/4): 107-123.
[55] SHARIF A, MONPERRUS M, TESSIER E, et al. Fate of mercury species in the coastal plume of the Adour River Estuary (Bay of Biscay, SW France) [J]. Science of the Total Environment, 2014, 496: 701-713. doi: 10.1016/j.scitotenv.2014.06.116
[56] JOHNSON W P, SWANSON N, BLACK B, et al. Total- and methyl-mercury concentrations and methylation rates across the freshwater to hypersaline continuum of the Great Salt Lake, Utah, USA [J]. Science of the Total Environment, 2015, 511: 489-500. doi: 10.1016/j.scitotenv.2014.12.092
[57] GILMOUR C C, PODAR M, BULLOCK A L, et al. Mercury methylation by novel microorganisms from new environments [J]. Environmental Science & Technology, 2013, 47(20): 11810-11820.
[58] AZAROFF A, GOÑI URRIZA M, GASSIE C, et al. Marine mercury-methylating microbial communities from coastal to Capbreton Canyon sediments (North Atlantic Ocean) [J]. Environmental Pollution, 2020, 262: 114333. doi: 10.1016/j.envpol.2020.114333
[59] YUAN K, CHEN X, CHEN P, et al. Mercury methylation-related microbes and genes in the sediments of the Pearl River Estuary and the South China Sea [J]. Ecotoxicology and Environmental Safety, 2019, 185: 109722. doi: 10.1016/j.ecoenv.2019.109722
[60] SOERENSEN A L, JACOB D J, SCHARTUP A T, et al. A mass budget for mercury and methylmercury in the Arctic Ocean [J]. Global Biogeochemical Cycles, 2016, 30(4): 560-575. doi: 10.1002/2015GB005280
[61] TADA Y Y, MARUMOTO K, TAKEUCHI A. Nitrospina-like bacteria are dominant potential mercury methylators in both the oyashio and kuroshio regions of the western north Pacific [J]. Microbiology Spectrum, 2021, 9(2): e0083321. doi: 10.1128/Spectrum.00833-21
[62] TADA, MARUMOTO K, TAKEUCHI A. Nitrospina-like bacteria are potential mercury methylators in the mesopelagic zone in the East China Sea [J]. Frontiers in Microbiology, 2020, 11: 1369. doi: 10.3389/fmicb.2020.01369
[63] GIONFRIDDO C M, TATE M T, WICK R R, et al. Microbial mercury methylation in Antarctic Sea ice [J]. Nature Microbiology, 2016, 1: 16127. doi: 10.1038/nmicrobiol.2016.127
[64] PODAR M, GILMOUR C C, BRANDT C C, et al. Global prevalence and distribution of genes and microorganisms involved in mercury methylation [J]. Science Advances, 2015, 1(9): e1500675. doi: 10.1126/sciadv.1500675
[65] BOWMAN K L, COLLINS R E, AGATHER A M, et al. Distribution of mercury-cycling genes in the Arctic and equatorial Pacific Oceans and their relationship to mercury speciation [J]. Limnology and Oceanography, 2019, 65: S310-S320.
[66] SUN R Y, YUAN J J, SONKE J E, et al. Methylmercury produced in upper oceans accumulates in deep Mariana Trench fauna [J]. Nature Communications, 2020, 11: 3389. doi: 10.1038/s41467-020-17045-3
[67] LAMBORG C H, von DAMM K L, FITZGERALD W F, et al. Mercury and monomethylmercury in fluids from Sea Cliff submarine hydrothermal field, Gorda Ridge [J]. Geophysical Research Letters, 2006, 33(17): L17606. doi: 10.1029/2006GL026321
[68] BARKAY T, KRITEE K, BOYD E, et al. A thermophilic bacterial origin and subsequent constraints by redox, light and salinity on the evolution of the microbial mercuric reductase [J]. Environmental Microbiology, 2010, 12(11): 2904-2917. doi: 10.1111/j.1462-2920.2010.02260.x
[69] CHRISTAKIS C A, BARKAY T, BOYD E S. Expanded diversity and phylogeny of mer genes broadens mercury resistance paradigms and reveals an origin for MerA among thermophilic Archaea [J]. Frontiers in Microbiology, 2021, 12: 682605. doi: 10.3389/fmicb.2021.682605
[70] CELO V, LEAN D R S, SCOTT S L. Abiotic methylation of mercury in the aquatic environment [J]. Science of the Total Environment, 2006, 368(1): 126-137. doi: 10.1016/j.scitotenv.2005.09.043
[71] WANG K, MUNSON K M, ARMSTRONG D A, et al. Determining seawater mercury methylation and demethylation rates by the seawater incubation approach: A critique [J]. Marine Chemistry, 2020, 219: 103753. doi: 10.1016/j.marchem.2020.103753
[72] MUNSON K M. Transformations of mercury in the marine water column[D]. Massachusetts: Massachusetts Institute of Technology, 2014.
[73] SEMENIUK K, DASTOOR A. Development of a global ocean mercury model with a methylation cycle: Outstanding issues [J]. Global Biogeochemical Cycles, 2017, 31(2): 400-433.
[74] SMYTHE-WRIGHT D, BOSWELL S M, BREITHAUPT P, et al. Methyl iodide production in the ocean: Implications for climate change [J]. Global Biogeochemical Cycles, 2006, 20(3): GB3003.
[75] YIN Y G, LI Y B, TAI C, et al. Fumigant methyl iodide can methylate inorganic mercury species in natural waters [J]. Nature Communications, 2014, 5: 4633. doi: 10.1038/ncomms5633
[76] HAMMERSCHMIDT C R, LAMBORG C H, FITZGERALD W F. Aqueous phase methylation as a potential source of methylmercury in wet deposition [J]. Atmospheric Environment, 2007, 41(8): 1663-1668. doi: 10.1016/j.atmosenv.2006.10.032
[77] SICILIANO S D, O'DRISCOLL N J, TORDON R, et al. Abiotic production of methylmercury by solar radiation [J]. Environmental Science & Technology, 2005, 39(4): 1071-1077.
[78] MOTTA L C, BLUM J D, POPP B N, et al. Mercury stable isotopes in flying fish as a monitor of photochemical degradation of methylmercury in the Atlantic and Pacific Oceans [J]. Marine Chemistry, 2020, 223: 103790. doi: 10.1016/j.marchem.2020.103790
[79] BLACK F J, POULIN B A, FLEGAL A R. Factors controlling the abiotic photo-degradation of monomethylmercury in surface waters [J]. Geochimica et Cosmochimica Acta, 2012, 84: 492-507. doi: 10.1016/j.gca.2012.01.019
[80] JEREMIASON J D, PORTNER J C, AIKEN G R, et al. Photoreduction of Hg(II) and photodemethylation of methylmercury: The key role of thiol sites on dissolved organic matter [J]. Environmental Science. Processes & Impacts, 2015, 17(11): 1892-1903.
[81] KIM M K, ZOH K D. Effects of natural water constituents on the photo-decomposition of methylmercury and the role of hydroxyl radical [J]. Science of the Total Environment, 2013, 449: 95-101. doi: 10.1016/j.scitotenv.2013.01.039
[82] ZHANG T, HSU-KIM H. Photolytic degradation of methylmercury enhanced by binding to natural organic ligands [J]. Nature Geoscience, 2010, 3(7): 473-476. doi: 10.1038/ngeo892
[83] GU B, LU X, JOHS A, et al. Encyclopedia of water: science, technology, and society[M]. Wiley, 2019.
[84] LI Y B, MAO Y X, LIU G L, et al. Degradation of methylmercury and its effects on mercury distribution and cycling in the Florida Everglades [J]. Environmental Science & Technology, 2010, 44(17): 6661-6666.
[85] KIM M K, WON A Y, ZOH K D. The production of dissolved gaseous mercury from methylmercury photodegradation at different salinity [J]. Desalination and Water Treatment, 2016, 57(2): 610-619. doi: 10.1080/19443994.2014.986829
[86] ZHANG D, YIN Y G, LI Y B, et al. Critical role of natural organic matter in photodegradation of methylmercury in water: Molecular weight and interactive effects with other environmental factors [J]. Science of the Total Environment, 2017, 578: 535-541. doi: 10.1016/j.scitotenv.2016.10.222
[87] BRAVO A G, COSIO C. Biotic formation of methylmercury: A bio-physico-chemical conundrum [J]. Limnology and Oceanography, 2020, 65(5): 1010-1027. doi: 10.1002/lno.11366
[88] PARANJAPE A, HALL B. Recent advances in the study of mercury methylation in aquatic systems [J]. Facets, 2017, 2(1): 85-119. doi: 10.1139/facets-2016-0027
[89] PARKS J M, JOHS A, PODAR M, et al. The genetic basis for bacterial mercury methylation [J]. Science, 2013, 339(6125): 1332-1335. doi: 10.1126/science.1230667
[90] POULAIN A J, BARKAY T. Cracking the mercury methylation code [J]. Science, 2013, 339(6125): 1280-1281. doi: 10.1126/science.1235591
[91] GREGOIRE D, POULAIN A. Shining light on recent advances in microbial mercury cycling [J]. Facets, 2018, 3(1): 858-879. doi: 10.1139/facets-2018-0015
[92] VILLAR E, CABROL L, HEIMBÜRGER-BOAVIDA L E. Widespread microbial mercury methylation genes in the global ocean [J]. Environmental Microbiology Reports, 2020, 12(3): 277-287. doi: 10.1111/1758-2229.12829
[93] CAPO E, BRAVO A G, SOERENSEN A L, et al. Marine snow as a habitat for microbial mercury methylators in the Baltic Sea[J]. Biorxiv, 2020,.
[94] GILMOUR C C, BULLOCK A L, MCBURNEY A, et al. Robust mercury methylation across diverse methanogenic Archaea [J]. mBio, 2018, 9(2): e02403-e02417.
[95] LU X, LIU Y R, JOHS A, et al. Anaerobic mercury methylation and demethylation by Geobacter bemidjiensis bem [J]. Environmental Science & Technology, 2016, 50(8): 4366-4373.
[96] BRIDOU R, MONPERRUS M, GONZALEZ P R, et al. Simultaneous determination of mercury methylation and demethylation capacities of various sulfate-reducing bacteria using species-specific isotopic tracers [J]. Environmental Toxicology and Chemistry, 2011, 30(2): 337-344. doi: 10.1002/etc.395
[97] GRAHAM A M, BULLOCK A L, MAIZEL A C, et al. Detailed assessment of the kinetics of Hg-cell association, Hg methylation, and methylmercury degradation in several Desulfovibrio species [J]. Applied and Environmental Microbiology, 2012, 78(20): 7337-7346. doi: 10.1128/AEM.01792-12
[98] MALCOLM E G, SCHAEFER J K, EKSTROM E B, et al. Mercury methylation in oxygen deficient zones of the oceans: No evidence for the predominance of anaerobes [J]. Marine Chemistry, 2010, 122(1/2/3/4): 11-19.
[99] MA M, DU H X, WANG D Y. Mercury methylation by anaerobic microorganisms: A review [J]. Critical Reviews in Environmental Science and Technology, 2019, 49(20): 1893-1936. doi: 10.1080/10643389.2019.1594517
[100] ST. PIERRE K A, CH T LAT J, YUMVIHOZE E, et al. Temperature and the sulfur cycle control monomethylmercury cycling in high arctic coastal marine sediments from Allen Bay, Nunavut, Canada [J]. Environmental Science & Technology, 2014, 48(5): 2680-2687.
[101] KELLY C A, RUDD J W M, HOLOKA M H. Effect of pH on mercury uptake by an aquatic bacterium: Implications for Hg cycling [J]. Environmental Science & Technology, 2003, 37(13): 2941-2946.
[102] BEŁDOWSKI J, MIOTK M, PEMPKOWIAK J. Methylation index as means of quantification of the compliance of sedimentary mercury to be methylated [J]. Environmental Monitoring and Assessment, 2015, 187(8): 498. doi: 10.1007/s10661-015-4716-y
[103] ZHAO L D, CHEN H M, LU X, et al. Contrasting effects of dissolved organic matter on mercury methylation by Geobacter sulfurreducens PCA and Desulfovibrio desulfuricans ND132 [J]. Environmental Science & Technology, 2017, 51(18): 10468-10475.
[104] GU B, BIAN Y, MILLER C L, et al. Mercury reduction and complexation by natural organic matter in anoxic environments [J]. Proceedings of the National Academy of Sciences of the United States of America, 2011, 108(4): 1479-1483. doi: 10.1073/pnas.1008747108
[105] SCHAEFER J K, ROCKS S S, ZHENG W, et al. Active transport, substrate specificity, and methylation of Hg(II) in anaerobic bacteria [J]. Proceedings of the National Academy of Sciences of the United States of America, 2011, 108(21): 8714-8719. doi: 10.1073/pnas.1105781108
[106] BARKAY T, GU B. Demethylation─The other side of the mercury methylation coin: a critical review [J]. ACS Environmental Au, 2022, 2(2): 77-97. doi: 10.1021/acsenvironau.1c00022
[107] DU H X, MA M, IGARASHI Y, et al. Biotic and abiotic degradation of methylmercury in aquatic ecosystems: A review [J]. Bulletin of Environmental Contamination and Toxicology, 2019, 102(5): 605-611. doi: 10.1007/s00128-018-2530-2
[108] BARKAY T, WAGNER-DÖBLER I. Microbial transformations of mercury: Potentials, challenges, and achievements in controlling mercury toxicity in the environment [J]. Advances in Applied Microbiology, 2005, 57: 1-52.
[109] FREEDMAN Z, ZHU C S, BARKAY T. Mercury resistance and mercuric reductase activities and expression among chemotrophic thermophilic Aquificae [J]. Applied and Environmental Microbiology, 2012, 78(18): 6568-6575. doi: 10.1128/AEM.01060-12
[110] BOYD E S, BARKAY T. The mercury resistance operon: From an origin in a geothermal environment to an efficient detoxification machine [J]. Frontiers in Microbiology, 2012, 3: 349.
[111] MATHEMA V B, THAKURI B C, SILLANPÄÄ M. Bacterial mer operon-mediated detoxification of mercurial compounds: A short review [J]. Archives of Microbiology, 2011, 193(12): 837-844. doi: 10.1007/s00203-011-0751-4
[112] PARKS J M, GUO H, MOMANY C, et al. Mechanism of Hg-C protonolysis in the organomercurial lyase MerB [J]. Journal of the American Chemical Society, 2009, 131(37): 13278-13285. doi: 10.1021/ja9016123
[113] MELNICK J G, PARKIN G. Cleaving mercury-alkyl bonds: A functional model for mercury detoxification by MerB [J]. Science, 2007, 317(5835): 225-227. doi: 10.1126/science.1144314
[114] BARKAY T, MILLER S M, SUMMERS A O. Bacterial mercury resistance from atoms to ecosystems [J]. FEMS Microbiology Reviews, 2003, 27(2/3): 355-384.
[115] BYSTROM E. Assessment of mercury methylation and demethylation with focus on chemical speciation and biological processes[D]. Dissertation, Georgia Institute of Technology, 2008.
[116] LAFRANCE-VANASSE J, LEFEBVRE M, di LELLO P, et al. Crystal structures of the organomercurial lyase merb in its free and mercury-bound forms: Insights into the mechanism of methylmercury degradation [J]. Journal of Biological Chemistry, 2009, 284(2): 938-944. doi: 10.1074/jbc.M807143200
[117] LELLO P D, BENISON G C, VALAFAR H, et al. NMR structural studies reveal a novel protein fold for MerB, the organomercurial lyase involved in the bacterial mercury resistance system [J]. Biochemistry, 2004, 43(26): 8322-8332. doi: 10.1021/bi049669z
[118] BENISON G C, LELLO P D, SHOKES J E, et al. A stable mercury-containing complex of the organomercurial lyase MerB: Catalysis, product release, and direct transfer to MerA [J]. Biochemistry, 2004, 43(26): 8333-8345. doi: 10.1021/bi049662h
[119] PITTS K E, SUMMERS A O. The roles of thiols in the bacterial organomercurial lyase (MerB) [J]. Biochemistry, 2002, 41(32): 10287-10296. doi: 10.1021/bi0259148
[120] MAGED M, EL HOSSEINY A, SAADELDIN M K, et al. Thermal stability of a mercuric reductase from the red sea Atlantis II hot brine environment as analyzed by site-directed mutagenesis [J]. Applied and Environmental Microbiology, 2019, 85(3): e02387-e02318.
[121] MØLLER A K, BARKAY T, HANSEN M A, et al. Mercuric reductase genes (merA) and mercury resistance plasmids in High Arctic snow, freshwater and sea-ice brine [J]. FEMS Microbiology Ecology, 2014, 87(1): 52-63. doi: 10.1111/1574-6941.12189
[122] SANZ-SÁEZ I, PEREIRA-GARCÍA C, BRAVO A G, et al. Prevalence of heterotrophic methylmercury detoxifying bacteria across oceanic regions [J]. Environmental Science & Technology, 2022, 56(6): 3452-3461.
[123] FAGANELI J, HINES M E, COVELLI S, et al. Mercury in lagoons: An overview of the importance of the link between geochemistry and biology [J]. Estuarine, Coastal and Shelf Science, 2012, 113: 126-132. doi: 10.1016/j.ecss.2012.08.021
[124] HINES M E, FAGANELI J, ADATTO I, et al. Microbial mercury transformations in marine, estuarine and freshwater sediment downstream of the Idrija Mercury Mine, Slovenia [J]. Applied Geochemistry, 2006, 21(11): 1924-1939. doi: 10.1016/j.apgeochem.2006.08.008
[125] MARVIN-DIPASQUALE M, AGEE J, MCGOWAN C, et al. Methyl-mercury degradation pathways: A comparison among three mercury-impacted ecosystems [J]. Environmental Science & Technology, 2000, 34(23): 4908-4916.
[126] OREMLAND R S, CULBERTSON C W, WINFREY M R. Methylmercury decomposition in sediments and bacterial cultures: Involvement of methanogens and sulfate reducers in oxidative demethylation [J]. Applied and Environmental Microbiology, 1991, 57(1): 130-137. doi: 10.1128/aem.57.1.130-137.1991
[127] LEE C S, FISHER N S. Methylmercury uptake by diverse marine phytoplankton [J]. Limnology and Oceanography, 2016, 61(5): 1626-1639. doi: 10.1002/lno.10318
[128] TADA Y Y, MARUMOTO K. Uptake of methylmercury by marine microalgae and its bioaccumulation in them [J]. Journal of Oceanography, 2020, 76(1): 63-70. doi: 10.1007/s10872-019-00525-6
[129] DENG G F, ZHANG T W, YANG L M, et al. Studies of biouptake and transformation of mercury by a typical unicellular diatom Phaeodactylum tricornutum [J]. Chinese Science Bulletin, 2013, 58(2): 256-265. doi: 10.1007/s11434-012-5514-3
[130] KRITEE K, MOTTA L C, BLUM J D, et al. Photomicrobial visible light-induced magnetic mass independent fractionation of mercury in a marine microalga [J]. ACS Earth and Space Chemistry, 2018, 2(5): 432-440. doi: 10.1021/acsearthspacechem.7b00056
[131] BRAVO A G, le FAUCHEUR S, MONPERRUS M, et al. Species-specific isotope tracers to study the accumulation and biotransformation of mixtures of inorganic and methyl mercury by the microalga Chlamydomonas reinhardtii [J]. Environmental Pollution, 2014, 192: 212-215. doi: 10.1016/j.envpol.2014.05.013
[132] LI Y, LI D, SONG B B, et al. The potential of mercury methylation and demethylation by 15 species of marine microalgae [J]. Water Research, 2022, 215: 118266. doi: 10.1016/j.watres.2022.118266
[133] KRISHNAMURTHY S. Biomethylation and environmental transport of metals. [J]. Journal of Chemical Education, 1992, 69(5): 347-350. doi: 10.1021/ed069p347
[134] WEBER J H. Review of possible paths for abiotic methylation of mercury(II) in the aquatic environment [J]. Chemosphere, 1993, 26(11): 2063-2077. doi: 10.1016/0045-6535(93)90032-Z
[135] COSSART T, GARCIA-CALLEJA J, WORMS I A M, et al. Species-specific isotope tracking of mercury uptake and transformations by pico-nanoplankton in an eutrophic lake [J]. Environmental Pollution, 2021, 288: 117771. doi: 10.1016/j.envpol.2021.117771
[136] CERRATI G, BERNHARD M, WEBER J H. Model reactions for abiotic mercury(Ⅱ) methylation: Kinetics of methylation of mercury(Ⅱ) by mono-, di-, and tri-methyltin in seawater [J]. Applied Organometallic Chemistry, 1992, 6(7): 587-595. doi: 10.1002/aoc.590060705
[137] DESIMONE R E, PENLEY M W, CHARBONNEAU L, et al. The kinetics and mechanism of cobalamin-dependent methyl and ethyl transfer to mercuric ion [J]. Biochimica et Biophysica Acta (BBA) - General Subjects, 1973, 304(3): 851-863. doi: 10.1016/0304-4165(73)90232-8
[138] WEBER J H, REISINGER K, STOEPPLER M. Methylation of mercury (Ⅱ) by fulvic acid [J]. Environmental Technology Letters, 1985, 6(1–11): 203-208.
[139] WANG K, LIU G, CAI Y. Possible pathways for mercury methylation in oxic marine waters [J]. Critical Reviews in Environmental Science and Technology, 2022, 52(22): 3997-4015. doi: 10.1080/10643389.2021.2008753
[140] JIMÉNEZ-MORENO M, PERROT V, EPOV V N, et al. Chemical kinetic isotope fractionation of mercury during abiotic methylation of Hg(II) by methylcobalamin in aqueous chloride media [J]. Chemical Geology, 2013, 336: 26-36. doi: 10.1016/j.chemgeo.2012.08.029
[141] CHEN B W, WANG T, YIN Y G, et al. Methylation of inorganic mercury by methylcobalamin in aquatic systems [J]. Applied Organometallic Chemistry, 2007, 21(6): 462-467. doi: 10.1002/aoc.1221
[142] FALTER R. Experimental study on the unintentional abiotic methylation of inorganic mercury during analysis: Part 1: Localisation of the compounds effecting the abiotic mercury methylation [J]. Chemosphere, 1999, 39(7): 1051-1073. doi: 10.1016/S0045-6535(99)00178-2
[143] KANZLER C R, LIAN P, TRAINER E L, et al. Emerging investigator series: Methylmercury speciation and dimethylmercury production in sulfidic solutions [J]. Environmental Science-Processes & Impacts, 2018, 20(4): 584-594.
[144] JONSSON S, MAZRUI N M, MASON R P. Dimethylmercury formation mediated by inorganic and organic reduced sulfur surfaces [J]. Scientific Reports, 2016, 6: 27958. doi: 10.1038/srep27958
[145] CRAIG P J, BARTLETT P D. Role of hydrogen-sulfide in environmental transport of mercury [J]. Nature, 1978, 275(5681): 635-637. doi: 10.1038/275635a0
[146] KHAN M A K, WANG F Y. Chemical demethylation of methylmercury by selenoamino acids [J]. Chemical Research in Toxicology, 2010, 23(7): 1202-1206. doi: 10.1021/tx100080s
[147] ASADUZZAMAN A M, KHAN M A, SCHRECKENBACH G, et al. Computational studies of structural, electronic, spectroscopic, and thermodynamic properties of methylmercury-amino acid complexes and their Se analogues [J]. Inorganic Chemistry, 2010, 49(3): 870-878. doi: 10.1021/ic900827m
[148] LIAN P, MOU Z Y, COOPER C J, et al. Mechanistic investigation of dimethylmercury formation mediated by a sulfide mineral surface [J]. The Journal of Physical Chemistry. A, 2021, 125(24): 5397-5405. doi: 10.1021/acs.jpca.1c04014
[149] NI B, KRAMER J R, BELL R A, et al. Protonolysis of the Hg-C bond of chloromethylmercury and dimethylmercury. A DFT and QTAIM study [J]. The Journal of Physical Chemistry. A, 2006, 110(30): 9451-9458. doi: 10.1021/jp061852+
[150] WANG X, WANG W X. Selenium induces the demethylation of mercury in marine fish [J]. Environmental Pollution, 2017, 231: 1543-1551. doi: 10.1016/j.envpol.2017.09.014
[151] KORBAS M, O'DONOGHUE J L, WATSON G E, et al. The chemical nature of mercury in human brain following poisoning or environmental exposure [J]. ACS Chemical Neuroscience, 2010, 1(12): 810-818. doi: 10.1021/cn1000765