Isolation and screening of chromium resistant bacteria from industrial waste for bioremediation purposes

Kalsoom,; Batool, Afshan; Din, Ghufranud; Din, Salah Ud; Jamil, Johar; Hasan, Fariha; Khan, Samiullah; Badshah, Malik; Shah, Aamer Ali

doi:10.1590/1519-6984.242536

Cited by 11 publications

(7 citation statements)

References 24 publications

(25 reference statements)

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“…Considering that the soils evaluated are native Cerrado, whose characteristic is low fertility, with high values of attributes linked to acidity and aluminum, and low in basic cations and phosphorus (Amorim et al, 2020), thus we can justify the contrasting result between the mentioned chemical attributes and iBt, since there is a need for an adequate pH and nutrient concentrations for a satisfactory development of microorganisms (Medhi et al, 2017), including Bt, as reported in Rabinovitch et al (2017). Furthermore, for a good conditions for bacterial growth includ temperature and pH, so in low value of pH, that represent high levels of H+Al and Al in soils of Cerrado could be explain the results founded (Kalsoom et al, 2023).…”

Section: Discussionmentioning

confidence: 69%

Relations between soil attributes and the abundance of Bacillus thurigiensis in the Cerrado of Maranhão state, Brazil

et al. 2022

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The influence of abiotic factors on the abundance of microorganism populations in soil has been sparsely studied, especially regarding Bacillus thuringiensis (Bt) bacteria. Therefore, this research was aimed at analyzing the relationship between the chemical and textural characteristics of the soil of the Cerrado (savanna) of Maranhão State on the abundance of Bacillus thuringiensis. Soil samples were collected in different municipalities in eastern Maranhão: São Mateus do Maranhão, Alto Alegre, Coroatá, Timbiras and Codó. The soil samples were obtained in the 0-0.1 m layer for soil fertility and texture analysis. Then, in the same area for the isolation of Bt, 1 g of soil was collected. The colonies obtained in the isolation that featured morphological characteristics of Bacillus spp. were visualized under phase contrast microscopy. Principal component analysis, clustering and correlations were peformed. Results: The sand content correlated positively with the Bacillus thuringiensis index (iBt). The cluster analysis allowed for verifying that the soils not showed iBt in function of high concentrations of aluminum (Al) and potential acidity (H+Al). Considering as these attributes (Al and H+Al) alter the availability of P in the soil, the abundance of Bacillus thuringiensis may have been impaired by the deficiency of this element in the environment. Conclusion: Bt has correlations with soil texture, and high concentrations of aluminum and potential acidity in the soil influencing the permanence of Bacillus thuringiensis in Maranhão eastern Cerrado.

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Section: Discussionmentioning

confidence: 69%

Relations between soil attributes and the abundance of Bacillus thurigiensis in the Cerrado of Maranhão state, Brazil

et al. 2022

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“…In this analysis, only two of the twenty bacterial strains from the river sample were able to grow in the presence of Cu and Pb at a concentration of 100 mg/L and were chosen for the subsequent experiment. The selected bacterial strains were chosen and characterized in accordance with similarities to those listed in Bergey's Manual of Determinative Bacteriology using common morphological and physiological traits [48], [49].…”

Section: Screening and Selection Of Cu And Pb Tolerant Bacterial Strainsmentioning

confidence: 99%

In vitro and In silico analysis of heavy metal-resistant bacteria from cooum river for bioremediation approaches

2023

JPTCP

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The world is facing a significant deficit in the quality and quantity of freshwater as a result of the contamination of rivers. Heavy metals are the most common pollutants in water bodies. In this study, the new discovery of bacterial strains from the Cooum river sample can be used to remove heavy metals and radioactive compounds from water sources through heavy metal bioremediation. The bacterial strains from the Cooum sample were isolated and identified using 16S rRNA gene sequencing and nucleotide BLAST analysis. Considering copper and lead as toxic metals, metal tolerance, Maximum Tolerance concentration (MTC), and antibiotic susceptibility tests were examined. Identification of genes associated with metal resistant mechanism and comparative analysis using In Silico studies. The results presented in this study support the concept that the two bacterial strains namely Ralstonia pickettii and Pseudomonas otitidis have significant bioremediation potential. In addition, a positive correlation has been found between metals and antibiotic resistance in the bacterial strains and the proteins and genes involved in the resistance of heavy metals were identified. This novel study paves a new way to remove toxic substances and heavy metals contaminated in water bodies. It leads researchers to identify genes that help to magnify the possibilities for microbial bioremediation.

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“…In the study of 20 bacterial strains from the zebrafish gut microbiome, only 3 strains were able to grow in the presence of zinc at a concentration of 100 mg/L (FG01, FGO2, and FG03) and were selected for the later experiment. Using common morphological, and physiological, the chosen bacterial strains were selected and described based on similarities to those listed in Bergey's Manual of Determinative Bacteriology [30], [31].…”

Section: Screening and Selection Of Zinc-tolerant Bacterial Strainsmentioning

confidence: 99%

In Vitro and In Silico Analysis of the Gut Microbiome of Zebrafish for Bioremediation Approach of Zinc-Contaminated Aquatic Environments

2023

JPTCP

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The discovery of bacterial organisms that aid in heavy metal bioremediation opens up new possibilities for removing radioactive compounds and heavy metals from polluted water sources. Accordingly, this study aims to the identification of Zinc resistant bacteria from the gut microbiome of zebrafish and to evaluate its bioremediation capability. The isolates, namely FG01 (Enterobacter cloacae), FG02 (Citrobacter freundii), and FG03 (Aeromonas hydrophila) identified based on 16S rRNA gene sequencing resistant to Zinc and antibiotics like Ampicillin and Amoxicillin and also selected for bioaccumulation studies. The MTC values of the three zinc-resistant bacteria from the Zebrafish gut were evaluated, and the results revealed that the growth of the isolate FG02 was better than the others, while the growth of FGO3 and FG01 decreased at the concentrations of 10 ppm and 15 ppm. By docking studies, the Zinc binding proteins (ZBPs) were discovered and beta-lactamase showed the best binding affinity compared to the other protein. In the process of treating wastewater, zinc-resistant bacteria from the gut microbiome of zebrafish are normally present and can demonstrate their capacity to adsorb heavy metals. The ZBP can be used later as a novel absorbent for heavy metal removal technology.

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Isolation and screening of chromium resistant bacteria from industrial waste for bioremediation purposes

Cited by 11 publications

References 24 publications

Relations between soil attributes and the abundance of Bacillus thurigiensis in the Cerrado of Maranhão state, Brazil

Relations between soil attributes and the abundance of Bacillus thurigiensis in the Cerrado of Maranhão state, Brazil

In vitro and In silico analysis of heavy metal-resistant bacteria from cooum river for bioremediation approaches

In Vitro and In Silico Analysis of the Gut Microbiome of Zebrafish for Bioremediation Approach of Zinc-Contaminated Aquatic Environments

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