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Literature summary for 1.11.1.13 extracted from
- Effective degradation of tetracycline by manganese peroxidase producing Bacillus velezensis strain Al-Dhabi 140 from Saudi Arabia using fibrous-bed reactor (2021), Chemosphere, 268, 128726 .
Application
| Application | Comment | Organism |
|---|---|---|
| degradation | fibrous bed culture of Bacillus velezensis strain Al-Dhabi 140 might be an efficient strain for tetracycline removal from artificial wastewater, even from natural wastewater | Bacillus velezensis |
| environmental protection | fibrous bed culture of Bacillus velezensis strain Al-Dhabi 140 might be an efficient strain for tetracycline removal from artificial wastewater, even from natural wastewater | Bacillus velezensis |
Protein Variants
| Protein Variants | Comment | Organism |
|---|---|---|
| additional information | usage of a fibrous bed reactor to culture of Bacilllus velezensis strain Al-Dhabi 140 on fibrous matrix to transform tetracycline in synthetic wastewater. The transformed product of tetracycline from the fibrous bed reactor is evident by the activity of ligninolytic enzymes produced by Bacillus velezensis strain Al-Dhabi 140 in reactor. Decrease in antibacterial potency by tetracycline degradation is obtained after 10 days. The zone of inhibition is 24 mm at day 1 and 9 mm at day 10 | Bacillus velezensis |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 46000 | - |
gel filtration | Bacillus velezensis |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| 2 Mn(II) + 2 H+ + H2O2 | Bacillus velezensis | - |
2 Mn(III) + 2 H2O | - |
? |  |
| 2 Mn(II) + 2 H+ + H2O2 | Bacillus velezensis Al-Dhabi 140 | - |
2 Mn(III) + 2 H2O | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Bacillus velezensis | - |
isolated from municipal sludge, Saudi Arabia | - |
| Bacillus velezensis Al-Dhabi 140 | - |
isolated from municipal sludge, Saudi Arabia | - |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| native enzyme from cell free supernatant of bacterial culture, followed by ultrafiltration and gel filtration | Bacillus velezensis |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| culture condition | strain Al-Dhabi 140 is grown in mineral salt medium containing 25, 50, 75, 100, 125, 150, 175 and 200 mg/l of tetracycline with 7% inoculum under shaking condition at 150 rpm.Tetracycline concentration in the culture medium is assayed after eight days. The degradation potential by strain Al-Dhabi 140 is 71 mg/l and 75.3 mg/l when the tetracycline concentration is 125 and 150 mg/l, respectively | Bacillus velezensis | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| 2 Mn(II) + 2 H+ + H2O2 | - |
Bacillus velezensis | 2 Mn(III) + 2 H2O | - |
? | |
| 2 Mn(II) + 2 H+ + H2O2 | - |
Bacillus velezensis Al-Dhabi 140 | 2 Mn(III) + 2 H2O | - |
? | |
| 2,6-dimethoxyphenol + 2 H+ + H2O2 | - |
Bacillus velezensis | oxidized 2,6-dimethoxyphenol + 2 H2O | - |
? | |
| 2,6-dimethoxyphenol + 2 H+ + H2O2 | - |
Bacillus velezensis Al-Dhabi 140 | oxidized 2,6-dimethoxyphenol + 2 H2O | - |
? | |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 30 | - |
- |
Bacillus velezensis |
Temperature Range [°C]
| Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 20 | 35 | the activity increases raising culture initial temperature from 20°C to 35°C, with a maximum degrading value of 76.7 mg/l at 35°C, which is 1.5fold higher than that at 20°C | Bacillus velezensis |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7 | - |
- |
Bacillus velezensis |
General Information
| General Information | Comment | Organism |
|---|---|---|
| additional information | screening and tetracycline degrading efficiency of the five bacteria isolated from the municipal soil sludge, overview. The strain termed Al-Dhabi 140 from Bacillus velezensis shows the highest activity | Bacillus velezensis |
| physiological function | the crude manganese peroxidase from Bacillus velezensis strain Al-Dhabi 140 shows an optimum degradation process and maximum removal efficacy of 87 mg/l at tetracycline concentration 143.75 mg/l, pH 6.9, and 8.04% inoculum | Bacillus velezensis |
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