Optimizing the Management of Cadmium Bioremediation Capacity of Metal-Resistant Pseudomonas sp. Strain Al-Dhabi-126 Isolated from the Industrial City of Saudi Arabian Environment

Al-Dhabi, Naïf Abdullah; Esmail, Galal Ali; Ghilan, Abdul-Kareem Mohammed; Arasu, Mariadhas Valan

doi:10.3390/ijerph16234788

Cited by 34 publications

(5 citation statements)

References 44 publications

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“…The study found that the application of B. subtilis in the rhizosphere microbiota caused significant changes, e.g., enrichment of the population of phylum Proteobacteria [ 96 ], which includes bacteria of the genus Pseudomonas. An increase in the abundance of this genus could also enhance bioremediation efficiency [ 138 ]. Furthermore, for Cd bioremediation, bacteria of the Bacillus genus could also be used with other bacteria.…”

Section: Heavy Metal Bioremediation Strategies Detected In ...mentioning

confidence: 99%

Bioremediation of Heavy Metals by the Genus Bacillus

Wróbel

Śliwakowski

Kowalczyk

et al. 2023

IJERPH

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Environmental contamination with heavy metals is one of the major problems caused by human activity. Bioremediation is an effective and eco-friendly approach that can reduce heavy metal contamination in the environment. Bioremediation agents include bacteria of the genus Bacillus, among others. The best-described species in terms of the bioremediation potential of Bacillus spp. Are B. subtilis, B. cereus, or B. thuringiensis. This bacterial genus has several bioremediation strategies, including biosorption, extracellular polymeric substance (EPS)-mediated biosorption, bioaccumulation, or bioprecipitation. Due to the above-mentioned strategies, Bacillus spp. strains can reduce the amounts of metals such as lead, cadmium, mercury, chromium, arsenic or nickel in the environment. Moreover, strains of the genus Bacillus can also assist phytoremediation by stimulating plant growth and bioaccumulation of heavy metals in the soil. Therefore, Bacillus spp. is one of the best sustainable solutions for reducing heavy metals from various environments, especially soil.

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Section: Heavy Metal Bioremediation Strategies Detected In ...mentioning

confidence: 99%

Bioremediation of Heavy Metals by the Genus Bacillus

Wróbel

Śliwakowski

Kowalczyk

et al. 2023

IJERPH

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“…Heavy metal absorptions in vegetables and nutrition have contrary relationships that influence the various portions of vegetables (protein, fat, and carbohydrate) [11,12]. Many studies have been conducted on heavy metal pollution in developed countries' food chains [13][14][15][16]. However, some studies have been conducted in developing regions [17][18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Heavy metals assessment in water, soil, vegetables and their associated health risks via consumption of vegetables, District Kasur, Pakistan

et al. 2021

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The consumption of contaminated vegetables has a great impact on human health. Due to this fact, we conduct the study to estimate the heavy metals in groundwater, soil, and vegetables by using the atomic adsorption spectroscopy (AAS) and find out the health risk using THQ and TCR caused by using these vegetables. The mean concentrations of As (0.015–0.40 mg/L), Cd (0.02–0.029 mg/L), Co (0.31–0.38 mg/L), Cr (1.02–1.09 mg/L), Cu (2.14–2.17 mg/L), and Hg (0.01–0.04 mg/L) are high in groundwater from threshold values given by WHO. The mean concentrations of As (22.17–23.14 mg/kg), Cd (4.21–4.54 mg/kg), Cu (21.24–24.36 mg/kg), and Pb (32.12–33.48 mg/kg) are high in soil samples from threshold values given by WHO. The mean concentrations of As, Cd, Pb, Cr, Fe, Hg, and Mn values exceeded the recommended values with concentration ranges: 1.75–4.56, 0.41–0.67, 2.12–3.12, 1.44–4.56, 87.12–135.25, 2.09–2.64, and 33.41–129.32 mg/Kg, respectively. The vegetable sample’s average concentration of heavy metals was in decreasing order cabbage ˃ brinjal ˃ okra ˃ tomato. The EDI values for As, Co, and Hg calculated for both adults and children is high. The target hazard quotients (THQ) for As, Co, and Hg are greater than the threshold value by consuming vegetables, which indicated the health risk for both adults and children. Similarly, HI due to tomato, cabbage, okra, and brinjal’s consumption is ˃ 1, with HI values 8.1975, 15.3077, 8.7312, and 10.2306, respectively. This advised the possible health effect in this area by using these vegetables. Target Cancer risk (TCR) exposed the adverse cancer risk persuaded by As, Cr, and Hg as their values exceeded the normal range by USEPA by consumption of these vegetables. This study concluded that vegetables imply the total health risk on local people, and regular monitoring of heavy metals is strongly suggested in this region.

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“…In the WHLHL group, we found that there was a much higher abundance of Flavobacterium than in the WHL group and the WZN group. It has previously been documented that Flavobacterium plays an important role in the degradation of heavy metals (Al-Dhabi et al, 2019) and organic pollutants (Wan et al, 2019), which we speculate may be an important reason for the better water quality of the WHLHL group. Thiobacillus microbes differ greatly in their abundance, which are also much more abundant in sediments than in water samples.…”

Section: Discussionmentioning

confidence: 67%

Total Arsenic, pH, and Sulfate Are the Main Environmental Factors Affecting the Microbial Ecology of the Water and Sediments in Hulun Lake, China

Shang

Wei

et al. 2020

Front. Microbiol.

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Bacteria have the metabolic potential to produce a diverse array of secondary metabolites, which have important roles in biogeochemical cycling processes. However, for Hulun Lake and the rivers that enter into it, the bacterial community structures and their effects have not previously been widely studied, limiting our ecological understanding of this habitat. To address this, we have analyzed the bacterial communities in the water ecosystem of the Hulun Lake Basin. 16S rRNA highthroughput sequencing identified 64 phyla, 165 classes, 218 orders, 386 families, and 740 genera of bacteria across all samples. The dominant phyla in the central area of the lake were Proteobacteria, Actinobacteria, Firmicutes, and Cyanobacteria, while in all other areas, Proteobacteria, Actinobacteria, and Bacteroidetes were dominant. The microbial community structures were significantly affected by environmental factors [arsenic (As), pH, and sulfate (SO 4 2−)] and their location in the lake. The species richness in the sediments of Hulun Lake was higher than in the water, and this ecosystem harbored the highest proportion of unclassified sequences, representing unclassified bacteria. This study provides basic data for future investigations into the Hulun lake ecosystem and for water microbial monitoring and protection measures.

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Optimizing the Management of Cadmium Bioremediation Capacity of Metal-Resistant Pseudomonas sp. Strain Al-Dhabi-126 Isolated from the Industrial City of Saudi Arabian Environment

Cited by 34 publications

References 44 publications

Bioremediation of Heavy Metals by the Genus Bacillus

Bioremediation of Heavy Metals by the Genus Bacillus

Heavy metals assessment in water, soil, vegetables and their associated health risks via consumption of vegetables, District Kasur, Pakistan

Total Arsenic, pH, and Sulfate Are the Main Environmental Factors Affecting the Microbial Ecology of the Water and Sediments in Hulun Lake, China

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