Current Status of Arsenic Contamination and the Characterization of Dissimilatory Arsenate-Reducing Bacteria | Chapter 3 | Research Advances in Microbiology and Biotechnology Vol. 7

 This summary aims to introduce the current rank of arsenic contamination in the surroundings and a biological arsenic situation method. Arsenic is very poisonous to living organism and cause extreme potential risk to human and animal health. Thus, me conducted a inclusive and critical review of the existent database on arsenic adulteration worldwide in water and soil. Additionally, the characteristics of dissimilatory arsenate-lowering bacteria (DARB) as an model of biological arsenic situation are summarized. DARB are famous to contribute to the group of arsenic and other fundamentals from minerals. Despite this, metabolic powers of only a few DARB strains have existed thoroughly examined so far, and the influence of these microorganisms on the bioavailability of arsenic in the environment is still a material for discussion. In addition, evidence of microbial tumor on arsenate is presented established isolate studies, after that a summary of the physiology of the following arsenate-respiring microorganisms is provided: Chrysiogenes arsenatis strain BAL-1T, Sulfurospirillum barnesii, Desulfotomaculum strain Ben-RB, Desulfotomaculum auripigmentum strains OREX-4, GFAJ-1, Bacillus sp., Desulfitobacterium hafniense DCB-2T, strain SES-3, Citrobacter sp., Sulfurospirillum arsenophilum sp. nov., Shewanella sp., Chrysiogenes arsenatis BAL-lT, Deferribacter desulfuricans Aeromonas sp. O23A, Anaeromyxobacter sp. PSR-1, and Geobacter sp. OR1. Moreover, a brief clarification of arsenic extraction from a model soil by artificial means contaminated with As(V) utilizing a novel DARB (Citrobacter sp. NC-1) is given in this place review. The author concludes accompanying a discussion of the significance of microbial arsenate reduction in the surroundings. The successful use and use of DARB should further the effective bioremediation of arsenic-adulterated sites. This review can be effortlessly comprehended by students and chemists and makes for a more conversant selection of microbial decline of arsenic for environmental explanation.

Author(s) Details:

Young-Cheol Chang,
Course of Chemical and Biological Engineering, Division of Sustainable and Environmental Engineering, Muroran Institute of Technology, 27-1 Mizumoto, Muroran 050-8585, Japan.

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