An Alternative Approach of Toxic Heavy Metal Removal by &lt;i&gt;Arthrobacter phenanthrenivorans&lt;/i&gt;:Assessment of Surfactant Production and Oxidative Stress

Banerjee, Goutam; Ray, Arun Kumar; Pandey, Shubhant; Kumar, Ravi

doi:10.18520/cs/v110/i11/2124-2128

Cited by 14 publications

(4 citation statements)

References 16 publications

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“…It was reported that Ochrobactrum sp. reduces lead, chromium, zinc, Cd, cobalt, copper, and nickel in various experimental trials [26]. Naik et al [27] isolated and characterized hexavalent chromium degrading Bacillus cereus IST105 from electroplating effluent.…”

Section: Resultsmentioning

confidence: 99%

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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

Al-Dhabi

Esmail

Ghilan

et al. 2019

IJERPH

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In this study, 23 bacterial strains were isolated from a Cadmium (Cd) contaminated soil in the industrial city, Riyadh of Saudi Arabia. Among these isolates six strains were found to withstand cadmium contamination and grow well. From the six isolates Pseudomonas sp. strain Al-Dhabi-122–127 were found to resist cadmium toxicity to a higher level. The isolates were subjected to biochemical and 16S rDNA gene sequence characterization to confirm their identification. The bacterial strain Al-Dhabi-124 showed 1.5 times higher Cd-degrading activity than Al-Dhabi-122 and Al-Dhabi-123, and Al-Dhabi-126 exhibited 3.5 times higher Cd-degrading activity, higher than the other strains. An atomic absorption spectrophotometer study showed that the strain Al-Dhabi-126 absorbed Cd, and that the bacterial strain Al-Dhabi-126 was found to tolerate cadmium level up to 2100 µg/mL. The bacterial strain Al-Dhabi-126 showed a maximum Cd removal efficacy at pH between 6.0 and 8.0. The efficacy decreased sharply after an increase in pH (9.0). An optimum temperature of 50 °C and pH 6.0 were found to be effective for the Cd removal process by the isolate. The study indicated that the bacterial strain Al-Dhabi-126 can be used effectively for the bioremediation of heavy metals like cadmium, a major toxic pollutant in industrial effluents.

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Section: Resultsmentioning

confidence: 99%

“…The negatively charged phosphate, carboxylic groups enhanced the absorption of positive-charged metal ions at higher pH values [44]. In a study, Park et al [26] reported that the optimum pH value for bioremediation of heavy metal ranges between 5.5 and 6.5, however this pH ranges varied widely.…”

Section: Resultsmentioning

confidence: 99%

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

Esmail

Ghilan

et al. 2019

IJERPH

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“…Malondialdehyde (MDA) is one of the final products of the peroxidation of polyunsaturated fatty acids in cells. Increasing MDA content might lead to the overproduction of free radicals, which in turn damages the membrane structure [ 132 , 134 ]. Our study revealed lower MDA concentration in the synbiotic-fed groups, indicating stronger anti-oxidant profiles in the experimental fish.…”

Section: Discussionmentioning

confidence: 99%

Autochthonous Bacilli and Fructooligosaccharide as Functional Feed Additives Improve Growth, Feed Utilisation, Haemato-Immunological Parameters and Disease Resistance in Rohu, Labeo rohita (Hamilton)

Sukul

Kari

Téllez-Isaías

et al. 2023

Animals

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The effects of Bacillus spp. (7 Log CFU g−1 feed) and fructooligosaccharide (FOS, 1%) as functional feed additives, either alone or in combination, were evaluated in a study on rohu, Labeo rohita fingerlings. The fish were fed different diets for 90 days, including a control diet and diets supplemented with FOS, B. licheniformis, B. methylotrophicus or synbiotic formulations of these. The results showed that the combination of B. licheniformis and FOS significantly improved weight gain, feed utilisation and protease activity compared to the other groups. Overall, the groups supplemented with probiotics and synbiotics (B. licheniformis + FOS or B. methylotrophicus + FOS) showed improvements in haematology, serum biochemistry and immune parameters compared to the control group. After 90 days of experimental feeding, the fish were challenged with pathogenic Aeromonas hydrophila, and data on haematology, immunity and stress parameters were collected. The results indicated that the application of Bacillus spp. and FOS boosted immunity and resistance to physiological stress in the fish. The highest post-challenge survival rate was observed in fish fed a diet with B. licheniformis and FOS, indicating the potential of this particular combination of functional feed additives to enhance growth, immunity and disease resistance in L. rohita.

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“…Some microorganisms are able to detoxify heavy metals by employing mechanisms such as biosorption, sequestration or chelation, active pumping and reduction (Batta et al 2013;Oves et al 2013;Banerjee et al 2016). Microorganisms having capability to reduce heavy metals such as chromium, molybdenum mercury into less toxic forms were documented.…”

Section: Introductionmentioning

confidence: 99%

ISOLATION AND CHARACTERIZATION OF A MOLYBDENUM-REDUCING AND PHENOLIC- AND CATECHOL-DEGRADING Enterobacter sp. STRAIN SAW-2

Sabullah

Rahman²,

Ahmad³

et al. 2017

BIOTROPIA

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Molybdenum is an emerging pollutant worldwide. The objective of this study is to isolate molybdenum-reducing bacterium with the ability to grow on phenolic compounds (phenol and catechol). The screening process was carried out on a microplate. The bacterium reduced molybdenum in the form of sodium molybdate to molybdenum blue (Mo-blue). The bacterium required a narrow pH range for optimal reduction of molybdenum, i.e. between pH 6.3 and o 6.8, with temperature between 34 and 37 C. Molybdate reduction to Mo-blue was best supported by glucose as the carbon source. However, both phenol and catechol could not support molybdate reduction. Other requirements for molybdate reduction included sodium molybdate concentrations between 15 and 30 mM, and phosphate concentration of 5.0 mM. The bacterium exhibited a Mo-blue absorption spectrum with a shoulder at 700 nm and a maximum peak near the infrared region at 865 nm. The Mo-reducing bacterium was partially identified as Enterobacter sp. strain Saw-2. The capability of this bacterium to grow on toxic phenolic compounds and to detoxify molybdenum made it a significant agent for bioremediation.

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An Alternative Approach of Toxic Heavy Metal Removal by <i>Arthrobacter phenanthrenivorans</i>:Assessment of Surfactant Production and Oxidative Stress

Cited by 14 publications

References 16 publications

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

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

Autochthonous Bacilli and Fructooligosaccharide as Functional Feed Additives Improve Growth, Feed Utilisation, Haemato-Immunological Parameters and Disease Resistance in Rohu, Labeo rohita (Hamilton)

ISOLATION AND CHARACTERIZATION OF A MOLYBDENUM-REDUCING AND PHENOLIC- AND CATECHOL-DEGRADING Enterobacter sp. STRAIN SAW-2

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