WO200229007-A2  DATABASE WPI Section Ch, Week 198104 Derwent Publications Ltd., London, GB; Class D15, AN 1981-05147D XP002215223 & SU 734 274 A (AS KAZA MICROBIOL), 15 mai 1980 (1980-05-15);  HAMBSCH, B. ET AL.: "Determination of Arsenic(III) for the Investigation of the Microbial Oxidation of Arsenic(III) to Arsenic(V)" ACTA HYDROCHIMICA ET HYDROBIOLOGICA, vol. 23, no. 4, 1995, pages 166-172, XP008008658;  WEEGER, W. ET AL.: "Oxidation of arsenite to arsenate by a bacterium isolated from an aquatic environment" BIOMETALS, vol. 12, no. 2, juin 1999 (1999-06), pages 141-149, XP000926523;  BATTAGLIA-BRUNET, F. ET AL.: "An arsenic(III)-oxidizing bacterial population: selection, characterization, and performance in reactors" JOURNAL OF APPLIED MICROBIOLOGY, vol. 93, no. 4, 2002, pages 656-667, XP002215222;  SANTINI, J.M. ET AL.: "A New Chemolithoautotrophic Arsenite-Oxidizing Bacterium Isolated from a Gold Mine: Phylogenetic, Physiological, and Preliminary Biochemical Studies" APPLIED AND ENVIRONMENTAL MICROBIOLOGY, vol. 66, no. 1, janvier 2000 (2000-01), pages 92-97, XP002171929;  DATABASE WPI Section Ch, Week 198104 Derwent Publications Ltd., London, GB; Class D15, AN 1981-05147D XP002215223&SU 734 274 A (AS KAZA MICROBIOL), 15 mai 1980 (1980-05-15);  SANTINI ET AL.: 'A new chemolithoautotrophic Arsenite-Oxidizing baterium isolated from a Gold mine : phylogenetic, physiological and preliminary biochemical studies' APPLIED AND ENVIRONMENTAL MICROBIOLOGY vol. 66, no. 1, Janvier 2000, pages 92 - 97EP1379623-B1  BATTAGLIA-BRUNET, F. ET AL.: "An arsenic(III)-oxidizing bacterial population: selection, characterization, and performance in reactors" JOURNAL OF APPLIED MICROBIOLOGY, vol. 93, no. 4, 2002, pages 656-667, XP002215222;  DATABASE WPI Section Ch, Week 198104 Derwent Publications Ltd., London, GB; Class D15, AN 1981-05147D XP002215223 & SU 734 274 A (AS KAZA MICROBIOL), 15 mai 1980 (1980-05-15);  HAMBSCH, B. ET AL.: "Determination of Arsenic(III) for the Investigation of the Microbial Oxidation of Arsenic(III) to Arsenic(V)" ACTA HYDROCHIMICA ET HYDROBIOLOGICA, vol. 23, no. 4, 1995, pages 166-172, XP008008658;  SANTINI, J.M. ET AL.: "A New Chemolithoautotrophic Arsenite-Oxidizing Bacterium Isolated from a Gold Mine: Phylogenetic, Physiological, and Preliminary Biochemical Studies" APPLIED AND ENVIRONMENTAL MICROBIOLOGY, vol. 66, no. 1, janvier 2000 (2000-01), pages 92-97, XP002171929;  WEEGER, W. ET AL.: "Oxidation of arsenite to arsenate by a bacterium isolated from an aquatic environment" BIOMETALS, vol. 12, no. 2, juin 1999 (1999-06), pages 141-149, XP000926523