NDLI: Removal of hexavalent chromium in tannery wastewater by Bacillus cereus.

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Transcriptional regulation of sdiA by cAMP-receptor protein, LeuO, and environmental signals in Salmonella enterica serovar Typhimurium.

Removal of hexavalent chromium in tannery wastewater by Bacillus cereus.

Isolation and characterization of heavy-metal-mobilizing bacteria from contaminated soils and their potential in promoting Pb, Cu, and Cd accumulation by Coprinus comatus.

Identification of New Delhi metallo-ß-lactamase gene (NDM-1) from a clinical isolate of Acinetobacter junii in China.

Mycobacterium marinum infections in humans and tracing of its possible environmental sources.

Diversity and antimicrobial activities of the fungal endophyte community associated with the traditional Brazilian medicinal plant Solanum cernuum Vell. (Solanaceae).

Polycyclic aromatic hydrocarbon degrading gene islands in five pyrene-degrading Mycobacterium isolates from different geographic locations.

Colonization and bioherbicidal activity on green foxtail by Pseudomonas fluorescens BRG100 in a pesta formulation.

Production of two bacteriocins in various growth conditions produced by gram-positive bacteria isolated from chicken cecum.

Arbuscular mycorrhizal fungi assemblages in Chernozem great groups revealed by massively parallel pyrosequencing.

Bacterial endophyte communities of two wheatgrass varieties following propagation in different growing media.

Removal of hexavalent chromium in tannery wastewater by Bacillus cereus.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Zhao, Changqing Yang, Qinhuan Chen, Wuyong Teng, Bo
Description	Author Affiliation: Zhao C ( College of Bioengineering, Sichuan University of Science and Engineering, Zigong, Sichuan, People's Republic of China. zhaocq2010@163.com)
Abstract	Bacillus cereus was used to remove chromium (Cr(VI)) from medium containing tannery wastewater under different conditions. The maximum rate of Cr(VI) removal was attained at a temperature of 37 °C, pH of 7.0-9.0, and biomass of 20 g/L when the initial Cr(VI) concentration was less than 50 mg/L. Under the optimum conditions, the Cr(VI) in tannery wastewater was treated with each cellular component of B. cereus to detect its ability to reduce Cr(VI). The results showed that the removal rate of Cr(VI) for the cell-free extracts could reach 92.70%, which was close to that of the whole cells (96.85%), indicating that the Cr(VI) reductase generated by B. cereus is primarily intracellular. Additionally, during continuous culture of the B. cereus, the strain showed good consecutive growth and removal ability. After treatment of 20 mg/L Cr(VI) for 48 h, the B. cereus was observed by SEM and TEM-EDX. SEM images showed that the B. cereus used to treat Cr(VI) grew well and had a uniform cellular size. TEM-EDX analysis revealed large quantities of chromium in the B. cereus cells used to treat Cr(VI). Overall, the results presented herein demonstrate that B. cereus can be used as a new biomaterial to remove Cr(VI) from tannery wastewater.
File Format	HTM / HTML
ISSN	00084166
e-ISSN	14803275
Journal	Canadian Journal of Microbiology
Issue Number	1
Volume Number	58
Language	English
Publisher	Canadian Science Publishing
Publisher Date	2012-01-01
Publisher Place	Canada
Access Restriction	Open
Subject Keyword	Discipline Microbiology Bacillus Cereus Metabolism Chromium Water Pollutants, Chemical Water Purification Animals Ultrastructure Biomass Hydrogen-ion Concentration Industrial Waste Microscopy, Electron, Scanning Microscopy, Electron, Transmission Spectrometry, X-ray Emission Temperature Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Genetics Medicine Molecular Biology Immunology Microbiology Applied Microbiology and Biotechnology

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