Study of Bacillus megaterium potential application for high metal content residues biotreatment
Journal Title: Open Journal of Bacteriology - Year 2018, Vol 2, Issue 1
Abstract
Previous work has demonstrated that Bacillus megaterium, besides showing an elevated resistance to heavy metals, possesses the ability to remove metals like Ni, Hg, and V from liquid media. Notably, Ni represents a highly valuable metal commonly found in industrial wastes, whose removal from environment is crucial, as it is considered a dangerous toxic metal. Thus, the aim of the present study was to determine Bacillus megaterium MNSH1-9K-1 resistance to Al, Ni, V, and Mo, metals that are commonly found in high metal content residues, and also evaluate its Ni removal capability from liquid medium. To this end, the microorganism was exposed to different metal concentrations, and its resistance was assayed by serial dilutions and viable count. Afterwards, MNSH1-9K-1 Ni resistance and removal capability was evaluated by ICP-OES. The results showed that this microorganism presents a Minimum Inhibitory Concentrations of 240, 2000, 35000 and >270000 ppm for Ni, Al, V, and Mo, respectively. Even more, MNSH1-9K-1 is able to remove up to 26 ppm of Ni. The results presented here may contribute to the knowledge regarding the application of this microorganism for the biotreatment of high metal content liquid and solid residues, mainly the ones containing Ni.
Authors and Affiliations
Rivas-Castillo Andrea M, Mejía-Escobedo Yessica, Rojas-Avelizapa Norma G
Keywords
Related Articles
- EP ID EP543326
- DOI 10.17352/ojb.000007
- Views 51
- Downloads 0
Illumina Based Analysis of Bacterial and Fungal Flora in Foreguts and Hindguts of Crucian Carp (Carassius aumtus) in Retail Markets
The intestinal microbiota of fish are the major cause for spoilage. To elucidate the bacterial and fungal community of guts, the bacterial and fungal taxa in foreguts and hindguts of crucian carp (Carassius aumtus) were...
New Methods to Remove Rhizoplane Bacterial DNA of Banana
The aim of this study was to evaluate the effects of different surface sterilization protocols on retained rhizoplane bacterial DNA of banana. Viable rhizoplane bacteria and bacterial DNA copies of banana roots were trea...
Blood culture: Profile of bacterial infections of newborns admitted from maternity
Blood culture provides an undeniable ideal aid in the diagnosis of neonatal infection, its result is reliable. The aim of our work was to evaluate the bacteriological profile of bacteraemias, newborns admitted from the h...
To Find out the Essentiality of Rv0526 Gene in Virulence of Mycobacterium tuberculosis by using In silico Approaches
Tuberculosis has emerged as a major world health problem, with almost one-third of the world population today infected with Mycobacterium tuberculosis H37Rv (M. tuberculosis). This gram-positive bacterium makes so many c...
The Antibiotic Resistance Patterns of Klebsiella pneumoniae Clinic Isolates: A Comprehensive Meta-Analysis
Background/Purpose: Recently, Klebsiella pneumoniae has become a health care concern due to its production of extended-spectrum beta-lactamase (ESBL) and its resistance to carbapenem. In Turkey, systematic meta-analyses...