caa a22 4500 445818220 CHVBK 20180317145235.0 cr unu---uuuuu 170323e20110101xx s 000 0 eng 10.1007/s00792-010-0335-2 doi (NATIONALLICENCE)springer-10.1007/s00792-010-0335-2 Mercury resistance and volatilization by oil utilizing haloarchaea under hypersaline conditions [Elektronische Daten] [D. Al-Mailem, H. Al-Awadhi, N. Sorkhoh, M. Eliyas, S. Radwan] The hydrocarbon utilizing haloarchaea, Haloferax (two strains), Halobacterium and Halococcus from a hypersaline coastal area of the Arabian Gulf, had the potential for resistance and volatilization of Hg2+. Individual haloarchaea resisted up to between 100 and 200ppm HgCl2 in hydrocarbon free media with salinities between 1 and 4M NaCl, but only up to between 20 and 30ppm in a mineral medium containing 3M NaCl, with 0.5% (w/v) crude oil, as a sole source of carbon and energy. Halococcus and Halobacterium volatilized more mercury than Haloferax. The individual haloarchaea consumed more crude oil in the presence of 3M NaCl than in the presence of 2M NaCl. At both salinities, increasing the HgCl2 concentration in the medium from 0 to 20ppm resulted in decreasing the oil consumption values by the individual haloarchaea. However, satisfactory oil consumption still occurred in the presence of 10ppm HgCl2. It was concluded that haloarchaea with the combined potential for mercury resistance and volatilization and hydrocarbon consumption could be useful in removing toxic mercury forms effectively from oil free, mercury contaminated, hypersaline environments, and mercury and oil, albeit less effectively, from oily hypersaline environments. Springer, 2010 Crude oil nationallicence Extreme salinity nationallicence Haloarchaea nationallicence Mercury resistance nationallicence Mercury volatilization nationallicence Al-Mailem D. Microbiology Program, Department of Biological Sciences, Faculty of Science, Kuwait University, PO Box 5969, 13060, Safat, Kuwait aut Al-Awadhi H. Microbiology Program, Department of Biological Sciences, Faculty of Science, Kuwait University, PO Box 5969, 13060, Safat, Kuwait aut Sorkhoh N. Microbiology Program, Department of Biological Sciences, Faculty of Science, Kuwait University, PO Box 5969, 13060, Safat, Kuwait aut Eliyas M. Microbiology Program, Department of Biological Sciences, Faculty of Science, Kuwait University, PO Box 5969, 13060, Safat, Kuwait aut Radwan S. Microbiology Program, Department of Biological Sciences, Faculty of Science, Kuwait University, PO Box 5969, 13060, Safat, Kuwait aut Extremophiles Springer Japan 15/1(2011-01-01), 39-44 1431-0651 15:1<39 2011 15 792 https://doi.org/10.1007/s00792-010-0335-2 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00792-010-0335-2 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Al-Mailem D. Microbiology Program, Department of Biological Sciences, Faculty of Science, Kuwait University, PO Box 5969, 13060, Safat, Kuwait aut NATIONALLICENCE 700 1- Al-Awadhi H. Microbiology Program, Department of Biological Sciences, Faculty of Science, Kuwait University, PO Box 5969, 13060, Safat, Kuwait aut NATIONALLICENCE 700 1- Sorkhoh N. Microbiology Program, Department of Biological Sciences, Faculty of Science, Kuwait University, PO Box 5969, 13060, Safat, Kuwait aut NATIONALLICENCE 700 1- Eliyas M. Microbiology Program, Department of Biological Sciences, Faculty of Science, Kuwait University, PO Box 5969, 13060, Safat, Kuwait aut NATIONALLICENCE 700 1- Radwan S. Microbiology Program, Department of Biological Sciences, Faculty of Science, Kuwait University, PO Box 5969, 13060, Safat, Kuwait aut NATIONALLICENCE 773 0- Extremophiles Springer Japan 15/1(2011-01-01), 39-44 1431-0651 15:1<39 2011 15 792 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer