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Ronald Oremland

Research Hydrologist

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Short Biography

1977 to Present:  Project Chief (grade: Senior Research Scientist, March, 1999).  United States Geological Survey, Water Resources Division, Menlo Park, CA.

1976 to 1977:  National Research Council Postdoctoral Associate, NASA Ames Research Center, Moffett Field, CA

1974 to 1976:  Graduate Research Assistant, RSMAS, University of Miami

1972 to 1974:  Graduate Student, RSMAS, University of Miami.

1969 to 1971:  Active Duty, U.S. Navy; Commissioned 11/1969; Graduated Naval School of Diving and Salvage, Wash. D.C., 4/1970; Active Duty Station:  Diving and Salvage Officer, Executive Officer, USS Utina (ATF - 163).

1968 to 1969: Graduate Student, RSMAS, University of Miami (studies interrupted by military service).



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PATENTS:

 

Selenate removal from wastewaters. 1991, U.S. Patent No. 5,009,786.

 

Selenate removal from wastewaters. 1993. U.S. Patent No. 5,271,831.

 

Enhancement of bacterial oxidation of methyl bromide during agricultural fumigations. 2000. US Patent No. 6,013,254.

 

A bioreactor for the oxidation of the fumigant methyl bromide. 2005. US Patent No. 6916446.

 

Microbiologically generated nanocomposites using hybrid Te nanorods and polymers (in process of filing with colleagues at Univ. Houston & Trinity College)

 

 

REVIEWED PUBLICATIONS

 

1.   Oremland, R.S.  1975.  Methane production in shallow water, tropical marine sediments.  Appl. Microbiol. 30:  602-608.

 

2.   Oremland, R.S., and B.F. Taylor.  1975.  Inhibition of methanogenesis in marine sediments by acetylene and ethylene:  Validity of the acetylene reduction assay for anaerobic microcosms.  Appl. Microbiol. 30:  707-709.

 

3.   Oremland, R.S. and B.F. Taylor.  1977.  Diurnal fluctuations of O2, N2, and CH4 in the rhizosphere of Thalassia testudinum.  Limnol. Oceanog. 22:  566-569.

 

4.   Oremland, R.S. and B.F. Taylor.  1978.  Sulfate-reduction and methanogenesis in marine sediments.  Geochim. Cosmochim. Acta. 42:  209-214.

 

5.   Capone, D.G., R.S. Oremland, and B.F. Taylor.  1978.  Significance of N2 fixation to the production of Thalassia  testudinum.  p. 71-86.  In H.B. Stewart (editor), CICAR II Symposium, Caracas, Venezuela, FAO Fisheries Rpt. #200.

 

6.   Oremland, R.S.  1979.  Methanogenic activity in plankton samples and fish intestines:  A mechanism for in situ methanogenesis in ocean surface waters.  Limnol. Oceanog. 24:  1136-1141.

 

7.   Oremland, R.S. and M.P. Silverman.  1979.  Measurement of microbial sulfate-reduction by an automated electrical impedance technique.  Geomicrobiol. J. 1:  355-372.

 

8.   Capone, D.G., P.A. Penhale, R.S. Oremland, and B.F. Taylor.  1979.  Relationship between productivity and N2(C2H2) fixation in a Thalassia testudinum community.  Limnol. Oceanog. 24:  117-125.

 

9.   Taylor, B.F., and R.S. Oremland.  1979.  Depletion of adenosine triphosphate in Desulfovibrio by oxyanions of Group VI elements.  Current Microbiol. 3:  101-103.

 

10. Culbertson, C.W., A.J.B. Zehnder, and R.S. Oremland.  1981.  Anaerobic oxidation of acetylene by estuarine sediments and enrichment cultures.  Appl. Environ. Microbiol. 41:  396-403.

 

11. Oremland, R.S.  1981.  Microbial formation of ethane in anoxic, estuarine sediments.  Appl. Environ. Microbiol. 42:  122-129.

 

12. Triska, F.J. and R.S. Oremland.  1981.  Denitrification associated with periphyton communities.  Appl. Environ. Microbiol. 42:  745-748.

 

13. Oremland, R.S., L. Marsh, and D.J. Des Marais.  1982.  Methanogenesis in Big Soda Lake, Nevada:  An alkaline, moderately hypersaline desert lake.  Appl. Environ. Microbiol. 43:  462-468.

 

14. Oremland, R.S., L.M. Marsh, and S. Polcin.  1982.  Methane production and simultaneous sulfate-reduction in anoxic, salt marsh sediments.  Nature 296:  143-145.

 

15. Oremland, R.S., C.W. Culbertson, and B.R.T. Simoneit.  1982.  Methanogenic activity from Leg 64, Gulf of California. p. 759-762.  In Initial Reports of the Deep sea Drilling Project, v. LXIV, Nat'l Science Foundation, Washington, D.C. (JR Curray & DG Moore, eds.).

 

16. Vogel, T.M., R.S. Oremland, and K.A. Kvenvolden.  1982.  Low temperature formation of hydrocarbon gases in San Francisco Bay sediment.  Chem. Geology. 37:  289-298.

 

17. Oremland, R.S., and S. Polcin.  1982.  Methanogenesis and  sulfate-reduction:  Competitive and noncompetitive substrates in estuarine sediments.  Appl. Environ. Microbiol. 44:  1270-1276.

 

18. Cloern, J.E. and R.S. Oremland.  1983.  Chemistry and microbiology of a sewage spill in South San Francisco Bay.  Estuaries. 6:  399-406.

 

19. Cloern, J.E., B.E. Cole, and R.S. Oremland.  1983.  Seasonal changes in the chemical and biological nature of a meromictic lake (Big Soda Lake, Nevada, USA).  Hydrobiologia. 105:  195-206.

 

20. Oremland, R.S.  1983.  Hydrogen metabolism by decomposing cyanobacterial aggregates in Big Soda Lake, Nevada.  Appl. Environ. Microbiol. 45:  1519-1525.

 

21. Smith, R.L. , and R.S. Oremland.  1983.  Anaerobic oxalate degradation:  Widespread natural occurrence in aquatic sediments.  Appl. Environ. Microbiol. 46:  106-113.

 

22. Oremland, R.S.  1983.  Methane content of geothermal gases in association with seismic activity.  Eos. 64:  410.

 

23. Cloern, J.E., B.A. Cole, and R.S. Oremland.  1983.  Autotrophic processes in Big Soda Lake, Nevada.  Limnol & Oceanog. 28:  1049-1061.

 

24. Oremland, R.S. and D.J. Des Marais.  1983.  Distribution, abundance, and carbon isotopic composition of gaseous hydrocarbons in Big Soda Lake, Nevada:  An alkaline, meromictic lake.  Geochim. Cosmochim. Acta. 47:  2107-2114.

 

25. Oremland, R.S., C. Umberger, C.W. Culbertson, and R.L. Smith.  1984.  Denitrification in San Francisco Bay intertidal sediments.  Appl. Environ. Microbiol. 47:  1106-1112.

 

26. Duff, J., F.J. Triska, and R.S. Oremland.  1984.  Denitrification associated with stream communities:  Chamber estimates from undisturbed communities.  J. Environmental Quality 13:  514-518.

 

27. Smith, R.L., F.S. Strohmaier, and R.S. Oremland.  1985.  Isolation of anaerobic oxalate degrading bacteria from freshwater lake sediments.  Arch. Microbiol. 14:  8-13.

 

28. Oremland, R.S., R.L. Smith, and C.W. Culbertson.  1985.  Aspects of the biogeochemistry of Big Soda Lake, Nevada, p. 81-88.  In Planetary Ecology (Caldwell, Brierley & Brierley, eds.), Van Nostrand Reinhold Co., NY.

 

29. Miller, L.G., R.S. Oremland, and S. Paulsen.  1986.  Measurement of N2O reductase activity in aquatic sediments.  Appl. Environ. Microbiol. 51: 18-24.

 

30. Whelan, J.K. R.S. Oremland, M. Tarafa, R.L. Smith, R. Howarth, and C. Lee. 1986.  Evidence for sulfate-reducing and methane producing                                microorganisms in sediments from sites 618, 619, and 622, Initial                           Reports of the Deep Sea Drilling Project.  A. Buoma, J. Coleman, A.                      Meyer et al., editors, p. 767-775.


 

31. Tarafa, M., J. Whelan, R.S. Oremland, and R.L. Smith.  1986.  Evidence for microbiological activity in Leg 95 (New Jersey transect) sediments.  Initial Reports DSDP, C. Poag and A. Watts, editors, 635-640.

 

32. Kiene, R., R.S. Oremland, A. Catena, L. Miller, and D.G. Capone.  1986.  Metabolism of reduced methylated sulfur compounds in anaerobic sediments and by a pure culture of an estuarine methanogen.  Appl. Environ. Microbiol. 52:  1037-1045.

 

33. Oremland, R.S., and J.P. Zehr.  1986.  Formation of methane and carbon dioxide from dimethylselenide in anoxic sediments and by a methanogenic bacterium.  Appl. Environ. Microbiol. 52:  1031-1036.

 

34. Zehr, J.P., and R.S. Oremland.  1987.  Reduction of selenate to selenide by sulfate-respiring bacteria:  Experiments with cell suspensions and estuarine sediments.  Appl. Environ. Microbiol. 53:  1365-1369.

 

35. Zehr, J.P., R.W. Harvey, R.S. Oremland, J.E. Cloern, L. George and J.L. Lane.  1987.  Big Soda Lake (Nevada).  1. Pelagic bacterial heterotrophy and biomass.  Limnol. & Oceanog. 32:  781-793.

 

36. Smith, R.L. and R.S. Oremland.  1987.  Big Soda Lake (Nevada).  2. Pelagic sulfate reduction.  Limnol. & Oceanog. 32:  794-803.

 

37. Iversen, N., R.S. Oremland and M.J. Klug.  1987.  Big Soda Lake (Nevada).  3. Pelagic methanogenesis and anaerobic methane oxidation.  Limnol. & Oceanog. 32:  804-814.

 

38. Fisher, C.R., J.J. Childress, R.S. Oremland and R.R. Bidigare.  1987.  The importance of methane and thiosulfate in the metabolism of the bacterial symbionts of two deep-sea mussels.  Marine Biology.  96:  59-71.

 

39. Oremland, R.S., L. Miller, and M. Whiticar.  1987.   Sources and flux of natural gases from Mono Lake, California.  Geochimica et Cosmochimica Acta. 51:  2915-2929.

 

40. Oremland, R.S. and D.G. Capone.  1988.  Use of "specific inhibitors" in biogeochemistry and microbial ecology.  Adv. Microbial Ecology 10, 285-383, K.C. Marshall (ed.), Plenum Publish. Co., NY.

 

41. Oremland, R.S.  1988.  The biogeochemistry of methanogenic bacteria, p. 405-447.  In The Biology of Anaerobic Microorganisms (A.J.B. Zehnder, ed.), J. Wiley & Sons, NY.

 

42. Oremland, R.S., J.E. Cloern, Z. Sofer, R.L. Smith, C.W. Culbertson, J. Zehr, L. Miller, B. Cole, R.W. Harvey, N. Iversen, M.J. Klug, D.J. Des Marais, and G. Rau.  1988.  Microbial and biogeochemical processes in Big Soda Lake, Nevada, p. 59-75.  In Lacustrine Oil Source Rocks, K. Kelts, A.J. Fleet (eds.). Geological Soc. London.

 

43. Culbertson, C.W., F.E. Strohmaier, and R.S. Oremland.  1988.  Acetylene as a substrate in the development of primordial microbial communities.  Origins of Life and Evolution of the Biosphere. 18:  397-407.

 

44. Miller, L.G. and R.S. Oremland.  1988.  Methane efflux from the pelagic regions of four lakes.  Global Biogeochemical Cycles. 2:  269-277.

 

45. Oremland, R.S., M.J. Whiticar, F.E. Strohmaier, and R.P. Kiene.  1988.  Bacterial formation of ethane from ethylated reduced sulfur compounds in anoxic sediments.  Geochimica et Cosmochimica Acta. 52:  1895-1904.

 

46. Cicerone, R. and R.S. Oremland.  1988.  Biogeochemical aspects of atmospheric methane.  Global Biogeochemical Cycles. 2:  299-328.

 

47. Oremland, R.S. and G.M. King.  1989.  Methanogenesis in hypersaline environments, p. 180-189.  In  Microbial Mats:  Physiological Ecology of Benthic Microbial Communities, Y. Cohen and E. Rosenberg (eds.), Amer. Soc. Microbiol., Washington, D.C.

 

48. Oremland, R.S., R.P. Kiene, I. Mathrani, M. Whiticar and D. Boone.  1989.  Description of an estuarine methylotrophic methanogen which grows on dimethylsulfide. Appl Environ. Microbiol. 55:  994-1002.

 

49. Oremland, R.S.  1989.  Present day activities of anaerobic bacteria and their relevance to future exobiological investigations.  Adv. Space Res. 9:  127-136.

 

50. Oremland, R.S. , J.T. Hollibaugh, A.S. Maest, T.S. Presser, L. Miller, and C. Culbertson.  1989.  Selenate reduction to elemental selenium by anaerobic bacteria in sediments and culture:  Biogeochemical significance of a novel, sulfate-independent respiration.  Appl. Environ. Microbiol. 55:  2333-2343.

 

51. Oremland, R.S.  1990.  Nitrogen fixation dynamics of two diazotrophic communities in Mono Lake, California.  Appl. Environ. Microbiol. 56:  614-622.

 

52. Oremland, R.S., N.A. Steinberg, A.S. Maest, L.G. Miller, and J.T. Hollibaugh.  1990.  Measurement of in situ rates of selenate removal by dissimilatory bacterial reduction in sediments.  Env. Sci. Technol. 24:  1157-1164.

 

53. Dubrovsky, N.M., J.M. Neil, R. Fujii, R.S. Oremland, and J.T. Hollibaugh.  1990.  Influence of redox potential on selenium distribution in ground water, Mendota, Western San Joaquin Valley, California.   USGS Open-File Report 90-138, Sacramento, CA.

 

54. Steinberg, N.A. and R.S. Oremland.  1990.  Dissimilatory selenate reduction potentials in a diversity of sediment types.  Appl. Environ. Microbiol. 56:  3550-3557.

 

55. Oremland, R.S., C.W. Culbertson, and M.R. Winfrey.  1991.  Methyl mercury decomposition in sediments and bacterial cultures:  Involvement of methanogens and sulfate reducers in oxidative demethylation.  Appl. Environ. Microbiol. 57:  130-137.

 

56. Oremland, R.S., N.A. Steinberg, T.S. Presser, and L.G. Miller.  1991.  In situ bacterial selenate reduction in the agricultural drainage systems of western Nevada.  Appl. Environ. Microbiol. 57:  615-617.

 

57. Steinberg, N.A., J. Switzer Blum, L. Hochstein, and R.S. Oremland.  1992.  Nitrate is a preferred electron acceptor for growth of freshwater selenate-respiring bacteria.  Appl. Environ. Microbiol. 58:  426-428.

 

58. Oremland, R.S., and C.W. Culbertson.  1992.  Importance of methane oxidizing bacteria in the methane budget as revealed by the use of a specific inhibitor.  Nature (London). 356:  421-423.

 

     59.  Oremland, R.S. and C.W. Culbertson. 1992. Evaluation of methyl fluoride and dimethylether as inhibitors of aerobic methane oxidation.  Appl. Environ. Microbiol.  58:  2983-2992.

 

60. Luoma, S.N., C. Johns, N.S. Fischer, N.A. Steinberg, R.S. Oremland, and J.R. Reinfelder. 1992. Determination of selenium bioavailability                                                                                       to a benthic bivalve from particulate and solute pathways. Environ. Sci. Technol. 26: 485 - 491.

 

61. Miller, L.G., M.D. Coutlakis, R.S. Oremland, and B.B. Ward. 1993.                Selective inhibition of ammonium oxidation and nitrification-linked N2O                formation by methyl fluoride and dimethyl ether. Appl. Environ. Microbiol. 59: 2457 - 2464.

 

           62.  Miller, L.G., R. Jellison, R.S. Oremland, and C.W. Culbertson. 1993.              Meromixis in Mono Lake. 3. Breakdown of stratification and biogeochemical        response to overturn.  Limnol. & Oceanog.  38: 1040 - 1051.

 

63.  Oremland, R.S., L.G. Miller, C.W. Culbertson, S. Robinson, R.L. Smith, D. R. Lovley, M.J. Whiticar, G.M. King, et. al. 1993. Aspects of the biogeochemistry of   methane in Mono Lake and the Mono Basin of California, USA. p. 704 - 744 In R.S. Oremland (ed.), The Biogeochemistry of Global Change:  Radiative Trace Gases, Chapman & Hall, NY. 

 

64. Oremland, R.S., and L.G. Miller. 1993. Biogeochemistry of natural gases in  three alkaline, permanently stratified (meromictic) lakes. In Future of Energy  Gases, USGS Professional Paper (D. Howell editor), p. 439 -  452.

 

            65. Oremland, R.S.  1994. Biogeochemical transformations of selenium in anoxic  environments. p. 389 - 419  In  Selenium in the Environment, W.T.        Frankenberger Jr. and S. Benson (eds.),  Marcel Dekker, NY.

 

66. Oremland, R.S., L.G. Miller, and F.E. Strohmaier. 1994. Degradation of        methylbromide in anaerobic sediments. Env. Sci. & Technol. 28: 514 - 520.

 

67. Oremland, R.S., L.G. Miller, C.W. Culbertson, T.L. Connell, and L.L.             Jahnke. 1994. Degradation of methyl bromide by methanotrophic bacteria in cell suspensions and soils. Appl. Environm. Microbiol.  60: 3640-3646.

 

68.  Oremland, R.S. and D. R. Boone. 1994. Methanolobus taylorii sp nov, a new methylotrophic, estuarine methanogen. Int. J. System. Bacteriol. 44: 573 - 575.

 

69. Visscher, P.T. C.W. Culbertson, and R.S. Oremland. 1994. Degradation of trifluoroacetate in oxic and anoxic sediments. Nature 369: 729 - 731.

 

70. Oremland,  R.S., J. Switzer Blum, C.W. Culbertson, P.T. Visscher, L.G.      Miller, P. Dowdle, and F.E. Strohmaier. 1994. Isolation, growth and                 metabolism of an obligately anaerobic, selenate-respiring bacterium, strain SES-3. Appl. Environ. Microbiol. 60: 3011 - 3019.

 

71. Oremland, R.S., L.G. Miller, P. Dowdle, T. Connell, and T. Barkay. 1995.    Methylmercury oxidative degradation potentials in contaminated and pristine     sediments of the Carson River, Nevada. Appl. Environ. Microbiol. 61: 2745 - 2753.

 

72. Laverman, A.M., J. Switzer Blum, J.K. Schaeffer, E.J. Philips, D.R.             Lovley, and R.S. Oremland. 1995. Growth of strain SES-3 with arsenate and other diverse electron acceptors. Appl. Environ. Microbiol. 61: 3556 - 3561.

 

73. Oremland, R.S. 1996. Microbial degradation of atmospheric halocarbons. p. 85 - 102  in C. Murrell and D. Kelly (eds.), Microbiology of Atmospheric Trace Gases: Sources, Sinks, and Global Change Processes. NATO ASI series 1: Global Environmental Change, Springer-Verlag, Berlin.

 

74.  Visscher, P.T., J.R. Guidetti, C.W. Culbertson, and R.S. Oremland. 1996. Dimethylsulfoniopropionate as a potential methanogenic substrate in Mono Lake sediments. P. 361 - 368 in R.P. Kiene, P.T. Visscher, M.D. Keller, and G.O. Kirst (eds), Biological and Environmental Chemistry of DMSP and Related Sulfonium Compounds. Plenum Press, N.Y.

 

75. Oremland, R.S.1996.   Microbial cycling of methyl bromide. p. 310 - 317 in Microbial Growth on C1 Compounds, M.E. Lidstrom and R.F. Tabita (ed), Kluwer Academic Publishers, Dordrecht, The Netherlands.

 

76. Oremland, R.S., D. Lonnergan, C.W. Culbertson, and D.R. Lovley. 1996.  Microbial consumption of hydrochlorofluorocarbons (CHCl2F and CHCl2CF3) in soils and sediments. Appl. Environ. Microbiol. 62: 1818 - 1821.

 

77. Dowdle, P.R., A.M. Laverman, and R.S. Oremland. 1996. Bacterial dissimilatory reduction of arsenic (V) to arsenic (III) in anoxic sediments. Appl. Environ. Microbiol. 62: 1664 - 1669.

 

78. Matheson, L.J., J.R. Guidetti, P.T. Visscher, J.K. Schaefer, and R.S. Oremland. 1996. Summary of research results on bacterial degradation of trifluoroacetate (TFA), October, 1993 - October, 1995. USGS Open File Report 96-219.

 

79. Stolz, J.F., T. Gugliuzza, J. Switzer Blum, R. Oremland, and F.M. Murillo. 1997. Differential expression of cytochromes and reductases in Geospirillum barnesii strain SES3. Arch. Microbiol. 167: 1-5.

 

80. Connell, T.L., S.B. Joye, L.G. Miller, and R.S. Oremland. 1997. Bacterial oxidation of methyl bromide in Mono Lake, California. Env. Sci. Technol. 31: 1489 - 1495.

 

81. Matheson, L.J., L. Jahnke, and R.S. Oremland. 1997. Inhibition of methane oxidation in Methylococcus capsulatus with hydrochlorofluorocarbons and fluorinated methanes. Appl. Environ. Microbiol. 63: 2952 - 2956.

 

82. Miller, L.G., T. Connell, J. Guidetti, and R.S. Oremland. 1997. Bacterial oxidation of methyl bromide in agricultural soil. Appl. Environ. Microbiol. 63: 4346 – 4354.

 

83. Goodwin, K.D., M.E. Lidstrom, and R.S. Oremland. 1997.Degradation of brominated methanes by marine bacteria. Env. Sci. Technol. 31: 3188 – 3192.

 

84. Marvin DiPasquale, M., A. Oren, Y. Cohen, and R.S. Oremland. 1998. Radiotracer studies of bacterial methanogenesis in sediments from the Dead Sea and Solar Lake (Sinai).In A. Oren (ed.) Microbiology and Biogeochemistry of Hypersaline Environments. CRC Press, Boca Raton, FL. P. 135 – 149.  

 

85. Connell Hancock, T.L., A.M. Costello, M.E. Lidstrom, and R.S. Oremland. 1998. Strain IMB-1: a novel bacterium for the removal of methyl bromide in fumigated agricultural soils. Appl. Environ. Microbiol. 64: 2899 – 2905.

 

86. Dowdle, P.R., and R.S. Oremland. 1998. Microbial oxidation of elemental selenium in soils and bacterial cultures. Environ. Sci. Technol. 32: 3749 – 3755.

 

87. Marvin DiPasquale,M., D. and R.S. Oremland. 1998. Bacterial methyl mercury degradation in the Florida Everglades peat sediment. Environ. Sci. Technol. 32: 2556 – 2563.

 

88. Miller, L.G., C. Sasson, and R.S. Oremland. 1998. Difluoromethane: a new and improved inhibitor of methanotrophy. Appl. Environ. Microbiol. 64: 4357 – 4362.

 

89. Goodwin, K., J.K. Schaefer, and R.S. Oremland. 1998. Bacterial oxidation of dibromomethane, and methyl bromide in natural waters and enrichment cultures. Appl. Environ. Microbiol. 64: 4629 – 4636.

 

90. Switzer Blum, J., A. Burns Bindi, J. Buzzelli, J.F. Stolz, and R.S. Oremland. 1998. Bacillus arsenicoselenatis sp. nov., and Bacillus selenitireducens sp. nov. : two haloalkaliphiles from Mono Lake, California which respire oxyanions of selenium and arsenic. Arch. Microbiol. 171: 19 – 30.

 

91. Joye, S.B., T.L. Connell, L.G. Miller, R. Jellison, and R.S. Oremland. 1999. Oxidation of ammonia and methane in an alkaline, saline lake. Limnol. Oceanogr. 44: 178 - 188.

 

92. Stolz, J.F., D.J. Ellis, J. Switzer Blum, D. Ahmann, R.S. Oremland, and D.R. Lovley.  1999. Sulfurospirillum barnesii sp. nov., Sulfurospirillum arsenophilus sp. nov., and the Sulfurospirillum clade in the Epsilon Proteobacteria. Int. J. Systematic Bacteriol. 49: 1177 - 1180.

 

93. Stolz, J.F., and R.S. Oremland. 1999. Bacterial respiration of selenium and arsenic. FEMS Microbiology Reviews, 23: 615 - 627.

 

94. Oremland, R.S., J.S. Blum, A. Burns Bindi, P.R. Dowdle, M. Herbel, and                                                                                                                                                                                     

      J.F. Stolz. 1999. Simultaneous reduction of nitrate and selenate by cell

      suspensions of Se-respiring bacteria. Appl. Environ. Microbiol. 65: 4385 -   

      4392.

 

95. Schaefer, J.K., and R.S. Oremland. 1999. Oxidation of methyl halides by

      the facultative methylotroph, strain IMB-1. Appl. Environ. Microbiol. 65: 5035  

      - 5041.

 

96. Oremland, R.S. 2000. Selenium. p. 238 – 247 in J. Lederberg (ed.), Encylopedia of Microbiology, vol. 4, Second Edition, Academic Press, N.Y.

 

97. Oremland, R.S., and J.F. Stolz. 2000. Dissimilatory reduction of selenate and arsenate in nature. p. 199 – 224 In D.R. Lovley (ed) Environmental Metal-Microbe Interaction, Amer. Soc. Microbiology Press, Washington, D.C.

 

98. Herbel, M.J., T.M. Johnson, R.S. Oremland, and T.D. Bullen. 2000.                             

      Fractionation of selenium isotopes during bacterial respiratory reduction of

      selenium oxyanions. Geochim. Cosmochim. Acta 64: 3701 - 3709.

 

99. Oremland, R.S., P.R. Dowdle, S. Hoeft, J.O. Sharp, J.K. Schaefer, L.G.

        Miller, J. Switzer Blum, R.L. Smith, N.S. Bloom, and D. Wallschlaeger.  

        2000. Bacterial dissimilatory reduction of arsenate and sulfate in meromictic                                        

        Mono Lake, California. Geochim. Cosmochim. Acta 64: 3073 – 3084.

 

100. Zobrist, J., P.R. Dowdle, J.A. Davis, and R.S. Oremland. 2000. Mobilization of            

       arsenite by dissimilatory reduction of adsorbed arsenate. Environ. Sci.            

       Technol. 34: 4747 - 4753.

 

101. Cytryn, E., D. Minz, R.S. Oremland, and Y. Cohen. 2000. Distribution and

        diversity of Archaea corresponding to the limnological cycle of a hypersaline  

        stratified lake (Solar Lake, Sinai). Appl. Environ. Microbiol. 66: 3269 – 3276.

 

102. Oren, A., and R.S. Oremland. 2000. in R.B. Diversity of anaerobic halophilic

       microorganisms.p. 96 – 105 In R.B. Hoover (ed), Instruments, Methods, and

       Missions for Astrobiology III. Proc. SPIE (Int’l Soc. Optical Engin.) vol. 4137,              

       Bellingham, WA.

 

103. Schlekat, C.E., P.R. Dowdle, B-G. Lee, S.N. Luoma, and R.S. Oremland.

2000. Bioavailability of particle-associated Se (0) to the bivalve Potomacorbula amurensis. Environ. Sci. Technol. 34: 4504 - 4510.

 

104. Marvin-DiPasquale, M., J. Agee, C. McGowan, R.S. Oremland, D.

      Krabbenhof, and C. Gilmour. 2000. Methyl-mercury degradation pathways:

      a comparison among three mercury impacted ecosystems. Environ. Sci.

      Technol. 34: 4908 - 4916.

 

106. Switzer Blum, J., J.F. Stolz, A. Oren, and R.S. Oremland. 2001.

      Selenihalanaerobacter shriftii gen. nov., sp. nov., a halophilic anaerobe from Dead

      Sea sediments that respires selenate. Arch. Microbiol. 175: 208 - 219.

 

107. Ehrlich, H.L., R.S. Oremland, and J.P. Zehr. 2001. Biogeochemical Cycles. Encyclopedia of Life Sciences, Macmillan Press, London. Published on-line:www.els.net

 

108. Goodwin, K.D., R.K. Varner, P.M. Crill, and R.S. Oremland. 2001.                                                                                            Consumption of tropospheric levels of methyl bromide by C1-compound utilizing bacteria and comparison to saturation kinetics.  Appl. Environ. Microbiol. 67: 5437 - 5443.

 

109. Woodall, C.A., K. Warner, R.S. Oremland, J.C. Murrell, and I.R. McDonald.

      2001. Identification of methyl halide utilizing genes in strain IMB-1, a methyl

      bromide utilizing bacterium. Appl. Environ. Microbiol. 67: 1959 - 1963.

 

110. Miller, L.G., R.M. Kalin, S.E. McCauley, J.T.G. Hamilton, D.B. Harper, D.B.

        Millet, R.S. Oremland, and A.H. Goldstein. 2001. Large carbon isotope     

         fractionation associated with oxidation of methyl halides by methylotrophic

         bacteria. Proc. Nat’l Acad. Sci. 98: 5833 - 5837.

 

111. Oremland, R.S., D.K. Newman, B.W. Kail, and J.F. Stolz. 2001. Bacterial

       respiration of arsenate and its significance in the environment. p. 273 – 296 in W.T. 

       Frankenberger Jr. (ed), Environmental Chemistry of Arsenic, Marcel Dekker, New

       York.

 

112. Hoeft, S.E., F. Lucas, J.T. Hollibaugh, and R.S. Oremland. 2002. 

       Characterization of microbial arsenate reduction in the anoxic bottom waters of

       Mono Lake, California. Geomicrobiol. J. 19: 23 - 40.

 

113. Roesler, C.S., C.W. Culbertson, S.M. Etheridge, R. Goericke, R.P.

      Kiene, L.G. Miller, and R.S. Oremland. 2002. Distribution, production, and 

      ecophysiology of Picocycstis strain ML in Mono Lake, CA. Limnol. Oceanogr.                    

     47: 440 – 452.

 

114. Schaefer, J.E., K.D. Goodwin, I. McDonald, J.C. Murrell, and R.S.

       Oremland. 2002. Isolation and characterization of Leisingera methylohalidivorans,           

       gen. nov., sp.nov., a marine methylotroph that grows on methyl bromide. Int. J. Syst.

       Evolut. Microbiol. 52: 851 - 859.

 

115. McDonald, I.R., K.L. Warner, C. McAnulla, C.A. Woodall, R.S. Oremland, and J.C. Murrell. 2002. A review of bacterial methyl halide degradation: Biochemistry, genetics, and molecular ecology. Environmental Microbiology 4: 193 – 203.

 

116. Herbel, M.J., J. Switzer Blum, S.E. Hoeft, S.M. Cohen, L.L. Arnold, J. Lisak, J.F. Stolz, and R.S. Oremland. 2002. Dissimilatory arsenate reductase activity and arsenate-respiring bacteria in bovine rumen fluid, hamster feces, and the termite hindgut. FEMS Microbiology Ecology 41: 59 – 67.

 

117. Oremland, R.S., S.E. Hoeft, N. Bano, R.A. Hollibaugh, and J.T. Hollibaugh. 2002 Anaerobic oxidation of arsenite in Mono Lake water and by a facultative, arsenite-oxidizing chemoautotroph, strain MLHE-1. Appl. Environ. Microbiol. 68: 4795 – 4802.

 

118. Stolz, J.F., P. Basu, and R.S. Oremland. 2002. Microbial transformation of elements: the case of arsenic and selenium. Int. Microbiol. 5: 201 – 205.

 

119. Oremland, R.S. 2003. Microbial degradation of atmospheric halocarbons. Pp. 323 –

      345. In “Dehalogenation: Microbial Processes and Environmental Applications” 

      M.M. Haggblom & I.D. Bossert (eds), Kluwer, Netherlands.

 

120. Herbel, M.J., J.Switzer Blum, S. Borglin, and R.S. Oremland. 2003. Reduction of elemental selenium to selenide: Experiments with anoxic sediments and bacteria that respire Se-oxyanions. Geomicrobiol. J. 20: 587 - 602.

 

121. Miller, L.G., S.E. Baesman, and R.S. Oremland. 2003. Bioreactors for removing methyl bromide following constrained fumigations. Env. Sci. Technol. 37: 1698 – 1704.

 

122. Oremland, R.S., and J.F. Stolz. 2003. The ecology of arsenic. Science 299: 939 - 944.

 

123. Afkar, E., J. Lisak, C. Saltikov, P. Basu, R.S. Oremland, and J.F. Stolz. 2003. The respiratory arsenate reductase from Bacillus selenitireducens strain MLS10. FEMS Microbiology Lett. 226: 107 - 112.

 

124. Oremland, R.S., Herbel, M.J., J. Switzer Blum, S. Langley, T.J. Beveridge, T. Sutto, P.M. Ajayan, A. Ellis, and S. Curran. 2004. Structural and spectral features of selenium nanospheres formed by Se-respiring bacteria. Applied & Environmental Microbiology 70: 52 - 60.

 

 125. Miller, L.G., S. M. Baesman, R.S. Oremland, I.R. McDonald, K.L. Warner, and J.C. Murrell. 2004. Degradation of methyl bromide and methyl chloride in soil microcosms: Use of stable C isotope fractionation and stable isotope probing to identify reactions and the responsible microorganisms. Geochim. Cosmochim. Acta 68: 3271 – 3283.

 

126. Oremland, R.S., J.F. Stolz, and J.T. Hollibaugh. 2004. The microbial arsenic cycle in Mono Lake, California. FEMS Microbiology Ecology 48: 15 - 27.

 

127. Hoeft, S.E., T.R. Kulp, J.F. Stolz, J.T. Hollibaugh, and R.S. Oremland. 2004. Dissimilatory arsenate reduction with sulfide as the electron donor: Experiments with Mono Lake water and isolation of strain MLMS-1, a chemoautotrophic arsenate-respirer. Appl. Environ. Microbiol. 70: 2741 - 2747.

 

128. Kulp, T.R., S.E. Hoeft, and R.S. Oremland. 2004. Redox transformations of arsenic oxyanions in periphyton communities. Appl. Environ. Microbiol. 70: 6428 - 6434.

 

129. Oremland, R.S., and J.F. Stolz. 2005. Arsenic, microbes, and contaminated aquifers. Trends in Microbiology 13: 45 - 49.

 

130. Oremland, R.S., T.R. Kulp, J. Switzer Blum, S.E. Hoeft, S. Baesman, L.G. Miller, and J.F. Stolz. 2005. A microbial arsenic cycle in a salt-saturated, extreme environment. Science 308: 1305 – 1308.

 

131. Oremland, R.S., D.G. Capone, J.F. Stolz, and J. Fuhrman. 2005. Whither or wither geomicrobiology in the era of “community metagenomics.” Nature Review in Microbiology 3: 572 - 578.

 

132. McDonald, I.R., P. Kämpfer, K.L. Warner, Michael J. Cox, T. L. Connell

       Hancock, L. G. Miller, M.J. Larkin, V. Ducrocq, D.B. Harper, J. C. Murrell and R. S. Oremland. 2005. Aminobacter ciceronei sp. nov. and Aminobacter lissarensis sp. nov., halomethane-utilising bacteria from the terrestrial environment. Int. J. Syst. Evol. Microbiol. 55: 1827 – 1832.

 

133. Stolz, J.F., R.S. Oremland, B.J. Paster, F.E. Dewhirst, and P. Vandamme. 2005. Genus Sulfurospirillum, in Bergey’s Manual of Systematic Bacteriology, Second Edition, Part Two: The Proteobacteria, Part C: The Alpha-, Beta, Delta-, and Epsilonproteobacteria (D.J. Brenner, N.R. Krieg, J.T. Staley, eds.), Springer, NY, pp.1165 - 1168.

 

135. Lloyd, J.R. and R.S. Oremland. 2006.  Microbial transformations of arsenic in the environment: From soda lakes to aquifers. Elements 2: 85 - 90.

136. Stolz, J.F., P. Basu, J.M. Santini and R.S. Oremland. 2006. Arsenic and selenium in microbial metabolism. Ann. Rev. Microbiology 60: 107 – 130.

 

137. Welch, A.H., R.S. Oremland, J.A. Davis, and S. A.Watkins. 2006. Arsenic in ground water: A review of current knowledge and relation to the CalFed solution area with recommendations for needed research. San Francisco Estuary and Watershed Science 4 (2): article 4, 1- 32.

 

138. Kulp, T.R., S.E. Hoeft, L.G. Miller, C. Saltikov, J. Nilsen, S. Han, B. Lanoil, and R.S. Oremland. 2006. Dissimilatory arsenate- and sulfate-reduction in sediments of two hypersaline, arsenic-rich soda lakes: Mono and Searles Lakes, California. Appl. Environ. Microbiol. 72: 6514 - 6526.

 

139. Hoeft, S.E., J. Switzer Blum, J.F. Stolz, F. R. Tabita, B. Witte, G.M. King, J.M. Santini, and R.S. Oremland. 2007. Alkalilimnicola ehlichii, sp. nov., a novel, arsenite-oxidizing haloalklapihilic γ-Proteobacterium capable of chemoautotrophioc or heterotrophic growth with nitrate or oxygen as the electron acceptor. Int. J. Syst. Evol. Microbiol. 57: 504 - 512.

 

140. Baesman, S.M., T.D. Bullen, J. Dewald, D. H. Zhang, S. Curran, F. S. Islam, T. J. Beveridge, and R. S. Oremland. 2007. Formation of tellurium nanocrystals during anaerobic growth of bacteria that use Te oxyanions as respiratory electron acceptors. Appl. Environ. Microbiol. 73: 2135 – 2143.

 

141. Schäfer, H. L.G. Miller, R.S. Oremland, and J.C. Murrell. 2007. Bacterial cycling of methyl halides. Adv. Applied Microbiol. 61: 308 - 346.

 

142. Kulp, T.R., S. Han, C. Saltikov, B. Lanoil, K. Zargar, and R. S. Oremland. 2007. Effects of imposed salinity gradients on dissimilatory arsenate-reduction, sulfate-reduction, and other microbial processes in sediments from two California soda lakes. Appl. Environ. Microbiol. 73: 5130 - 5137.

 

143. Oremland, R.S., and M.A. Voytek. 2008. Acetylene as fast-food: Implications for      development of life on the anoxic primordial Earth and planet(oid)s of the outer solar system. Astrobiology 8: 1 - 14.

 

 

144. Kulp, T.R. , S. E. Hoeft, M. Asao, M. T. Madigan, J. T. Hollibaugh, J. C. Fisher,        J.F. Stolz, C.W. Culbertson, L. G. Miller, and R. S. Oremland. 2008.  Arsenic(III) fuels anoxygenic photosynthesis in hot spring biofilms from Mono Lake, California. Science 321: 967 - 970.

 

145. Miller, L.G., and R.S. Oremland. 2008. Electricity generation by anaerobic bacteria and anoxic sediments from hypersaline soda lakes. Extremophiles 12: 837 – 848.

 

146. Switzer Blum, J., S. Han, Brian Lanoil, C. Saltikov, B. Witte, F. R. Tabita, S. Langley, T. J. Beveridge, John F. Stolz, L. Jahnke and R.S. Oremland. 2009. Halarsenatibacter silvermanii strain SLAS-1T, gen. nov., sp. nov., ecophysiology of an extremely halophilic, facultative chemo-autotrophic arsenate-respirer of the Halanaerobiales isolated from Searles Lake, California. Appl. Environ. Microbiol. 75: 1950 - 1960.

 

147. Richey, C., P. Chovanec, S. Hoeft, R.S. Oremland, P. Basu, and J. F. Stolz. 2009. Respiratory arsenate reductase as a bidirectional enzyme. Biochem. Biophys. Res. Comm. 382: 298 - 302.

 

148. Pearce, C.I., R.A.D. Pattrick, N. Law, J.M. Charnock, V.S. Coker,W. Fellowes,

       R.S. Oremland and J.R. Lloyd. 2009. Investigating different mechanisms for biogenic selenite transformations: Geobacter sulfurreducens, Shewanella oneidensis and Veillonella atypica. Environ. Technol. 30: 1313 - 1326.

 

149. Baesman, S.M., J.F. Stolz, T.R. Kulp, and R.S. Oremland. 2009. Enrichment and isolation of Bacillus beveridgei sp. nov., a facultative anaerobic haloalkaliphile from Mono Lake, California that respires oxyanions of tellurium, selenium, and arsenic. Extremophiles 13: 695 - 705.

 

150. Oremland, R.S., F. Wolfe-Simon, C.W. Saltikov, and J.F. Stolz. 2009. Arsenic in the evolution of earth and extraterrestrial ecosystems. Geomicrobiol. J. 26: 522 - 536.

 

151. Sun, W., R. Sierra-Alvarez, L. Milner, R.S. Oremland, and J.A. Field. 2009. Arsenite and ferrous iron oxidation linked to chemolithotrophic denitrification for the immobilization of arsenic in anoxic environments. Environ. Sci. Technol. 43: 6585 - 6591.

  152. Liao, K_S.,  J. Wang, S. Dias, J. Dewald, N.J. Alley, S. M. Baesman, R.S. Oremland and W.J. Blau, and S.A. Curran. 2010. Strong non-linear photonic responses from microbiologically synthesized tellurium nanocomposites. Chemical Physics Letters 484: 242 - 246.

153. Stolz, J.F., P. Basu, and R.S. Oremland. 2010. Microbial arsenic metabolism: New Twists on an Old Poison. Microbe 5: 53 - 59.  

 

154. Zargar, K., S. Hoeft, R. Oremland, and C.W. Saltikov. 2010. Genetic identification of a novel arsenite oxidase, arxA, in the haloalkaliphilic,

      arsenite oxidizing bacterium Alkalilimnicola ehrlichii strain MLHE-1. J. Bacteriol. 192: 3755 - 3762.

 

155. Oremland, R.S. 2010. NO connection with methane. Nature 464: 500 – 501.

 

156. Hoeft, S.E., T.R. Kulp, S. Han, B. Lanoil, and R.S.Oremland. 2010. Coupled arsenotrophy in a photosynthetic hot spring biofilm from Mono Lake, California. Appl. Environ. Microbiol. 76: 4633 – 4639.

 

157. Stolz, J.F., and R.S. Oremland. 2011. Arsenic. Encyclopedia of GeoBiology.

        Joachim Reitner and Volker Thiel (eds.), Springer. pp. 69.

 

158. Stolz, J.F., and R.S. Oremland. 2011. Selenium. Encyclopedia of GeoBiology.

        Joachim Reitner and Volker Thiel (eds.), Springer. pp. 784 – 785.

 

159. Pearce, C.I., S.M. Baesman, J. Switzer Blum, J.W. Fellows, and R.S. Oremland.

        2011. Nanoparticles formed from bacterial oxyanion reduction of toxic Group 15

        and 16 metalloids. Pages 297 – 319 in Microbial Metal and Metalloid Metabolism:      

        Advances and Applications (J.F. Stolz and R.S. Oremland, eds.), ASM Press,

        Washington, DC

 

160. Wolfe-Simon, F., J.S. Blum, T.R. Kulp, G.W. Gordon, S.E. Hoeft, J.F. Stolz, S.M. Webb, Paul C.W. Davies, A.D. Anbar, and R.S. Oremland. 2011. A bacterium that can grow by using arsenic instead of phosphorous. Science 332: 1163 – 1166.

 

161. Oremland, R.S. 2012. Arsenic and Life. p. 17 – 27 in (J. Drelich, editor) Water in Mineral Processing, Society for Mining, Metallurgy, and Exploration, Englewood, CO.

 

162. Oremland, R.S., J.F. Stolz, and C.W., Saltikov. 2012. Anaerobic oxidation of arsenite by autotrophic bacteria: The view from Mono Lake, California. pp. 73 - 80 in JM Santini and SA Ward (eds). The Metabolism of Arsenite. Arsenic in  the Environment, volume 5. CRC Press, Boca Raton, Florida.

 

163. Zargar, K. A. Conrad, D.L. Bernick, T.M. Lowe, V. Stolc, S. Hoeft, R.S.

       Oremland, J. Stolz, and C.W. Saltikov. 2012. ArxA, a new clade of arsenite

       oxidase within the DMSO reductase family of 3 molybdenum oxidoreductases.  

       Environmental Microbiology 14: 1635 - 1645.  

 

 

164. Switzer Blum, J. T.R. Kulp, S. Han, B. Lanoil, C.W. Saltikov, J.F. Stolz, L.G. Miller, and R.S. Oremland. 2012. Desulfohalophilus alkaliarsenatis gen. nov., sp. nov., an extremely halophilic sulfate- and arsenate-respiring bacterium from Searles Lake, California. Extremophiles (in press).

 

 

165. Oremland, R.S. 2012. A random biogeochemical walk into three soda lakes of   

        the western USA: with an introduction to a few of their microbial denizens. In:

        Seckbach, J., Oren, A., and Stan-Lotter, H. 2012 (editors). Polyextremophiles –

        Organisms living under multiple stress. Springer, Dordrecht. (in press).

 

 

166. Miller, L.G., S. Baesman, J. Kirshstein, M.A. Voytek, and R.S. Oremland.

        A biogeochemical and genetic survey of acetylene fermentation by

        environmental samples and bacterial isolates. Geomicrobiol. J. (submitted).

 

 




                           

My Science Topics


Science Topic
Subtopic
Environmental Issuescontamination and pollution
Environmental Issuestoxic trace elements
Atmosphere and Climategreenhouse effect



My USGS Science Strategy Areas

Energy & Minerals for America's Future

The Role of Environment and Wildlife in Human Health

Geomicrobiology and Microbial Biogeochemistry

Image of Current Focus for Geomicrobiology and Microbial Biogeochemistry

My research has focused upon the microbial metabolism of reduced gases (e.g., methane, ethane, methyl halides, acetylene), and of toxic elements including selenium, arsenic, tellurium, mercury, and antimony. Some of these elements are of interest in the realm of nanoscience. My field sites include extreme environments, especially soda lakes (Mono and Searles), hot springs, but also estuarine/marine,  freshwater, or even animal gastrointestinal tracts. Any place where anaerobes may cavort and there exist oxic/anoxic physical interfaces.


Contact Information

Ronald Oremland
Bldg 15, McKelvey Building, 345 Middlefield Road
Menlo Park, CA 94025-3561
roremlan@usgs.gov
650-329-4482
650-329-4463 - Fax
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