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Chang YC, Venkateswar Reddy M, Suzuki H, Terayama T, Mawatari Y, Seki C, Sarkar O. Characterization of Ralstonia insidiosa C1 isolated from Alpine regions: Capability in polyhydroxyalkanoates degradation and production. JOURNAL OF HAZARDOUS MATERIALS 2024; 471:134348. [PMID: 38653138 DOI: 10.1016/j.jhazmat.2024.134348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/05/2024] [Accepted: 04/17/2024] [Indexed: 04/25/2024]
Abstract
This study ventures into the exploration of potential poly-3-hydroxybutyrate (PHB) degradation in alpine environments. PHB-degrading bacteria were identified in both campus soil, representing a residential area, and Mt. Kurodake soil, an alpine region in Hokkaido, Japan. Next-generation sequencing analysis indicated that the campus soil exhibited higher microbial diversity, while Ralstonia insidiosa C1, isolated from Mt. Kurodake soil, displayed the highest proficiency in PHB degradation. R. insidiosa C1 efficiently degraded up to 3% (w/v) of PHB and various films composed of other biopolymers at 14 °C. This bacterium synthesized homopolymers using substrates such as 3-hydroxybutyric acid, sugars, and acetic acid, while also produced copolymers using a mixture of fatty acids. The analysis results confirmed that the biopolymer synthesized by strain C1 using glucose was PHB, with physical properties comparable to commercial products. The unique capabilities of R. insidiosa C1, encompassing both the production and degradation of bioplastics, highlight its potential to establish a novel material circulation model.
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Affiliation(s)
- Young-Cheol Chang
- Course of Chemical and Biological Engineering, Division of Sustainable and Environmental Engineering, Muroran Institute of Technology, Hokkaido 050-8585, Japan; Department of Sciences and Informatics, Course of Chemical and Biological Systems, Muroran Institute of Technology, 27-1 Mizumoto, Muroran 050-8585, Japan.
| | - M Venkateswar Reddy
- Department of Civil and Environmental Engineering, Colorado State University, Fort Collins, Colorado 80523, USA
| | - Hinako Suzuki
- Department of Sciences and Informatics, Course of Chemical and Biological Systems, Muroran Institute of Technology, 27-1 Mizumoto, Muroran 050-8585, Japan
| | - Takumi Terayama
- Course of Chemical and Biological Engineering, Division of Sustainable and Environmental Engineering, Muroran Institute of Technology, Hokkaido 050-8585, Japan
| | - Yasuteru Mawatari
- Course of Chemical and Biological Engineering, Division of Sustainable and Environmental Engineering, Muroran Institute of Technology, Hokkaido 050-8585, Japan; Department of Sciences and Informatics, Course of Chemical and Biological Systems, Muroran Institute of Technology, 27-1 Mizumoto, Muroran 050-8585, Japan
| | - Chigusa Seki
- Course of Chemical and Biological Engineering, Division of Sustainable and Environmental Engineering, Muroran Institute of Technology, Hokkaido 050-8585, Japan; Department of Sciences and Informatics, Course of Chemical and Biological Systems, Muroran Institute of Technology, 27-1 Mizumoto, Muroran 050-8585, Japan
| | - Omprakash Sarkar
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental, and Natural Resources Engineering, Luleå University of Technology, 971 87 Luleå, Sweden
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Amir M, Bano N, Gupta A, Zaheer MR, Roohi. Purification and characterization of extracellular PHB depolymerase enzyme from Aeromonas caviae Kuk1-(34) and their biodegradation studies with polymer films. Biodegradation 2024; 35:137-153. [PMID: 37639167 DOI: 10.1007/s10532-023-10051-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 08/15/2023] [Indexed: 08/29/2023]
Abstract
PHB depolymerase enzymes are able to breakdown the PHB polymers and thereby get significant economic value in the bioplastics industry and for bioremediation as well. This study shows the purification of novel extracellular PHB depolymerase enzyme from Aeromonas caviae Kuk1-(34) using dialysis followed by gel filtration and HPLC. The purification fold and yield after HPLC were 45.92 and 27.04%, respectively. HPLC data showed a single peak with a retention time of 1.937 min. GC-MS analysis reveals the presence of three compounds, of which 1-Dodecanol was found to be most significant with 54.48% area and 8.623-min retention time (RT). The molecular weight of the purified enzyme was obtained as 35 kDa with Km and apparent Vmax values of 0.769 mg/mL and 1.89 U/mL, respectively. The enzyme was moderately active at an optimum temperature of 35 °C and at pH 8.0. The stability was detected at pH 7.0-9.0 and 35-45 °C. Complete activity loss was observed with EDTA, SDS, Tween-20 at 5 mM and with 0.1% Triton X 100. A biodegradation study of commercially available biodegradable polymer films was carried out in a liquid medium and in soil separately with pure microbial culture and with purified enzyme for 7, 14, 28, and 49 consecutive days. In a liquid medium, with a pure strain of Aeromonas caviae Kuk1-(34), the maximum degradation (89%) was achieved on the PHB film, while no changes were observed with other polymer films. With purified enzyme in the soil, 71% degradation of the PHB film was noticed, and it was only 18% in the liquid medium. All such weight analysis were confirmed by SEM images where several holes, pits, grooves, crest, and surface roughness are clearly observed. Our results demonstrated the potential utility of Aeromonas caviae Kuk1-(34) as a source of extracellular PHB depolymerase capable of degrading PHB under a wide range of natural/ lab conditions.
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Affiliation(s)
- Mohd Amir
- Protein research Laboratory, Department of Bioengineering, Integral University, Lucknow, Uttar Pradesh, 226026, India
| | - Naushin Bano
- Protein research Laboratory, Department of Bioengineering, Integral University, Lucknow, Uttar Pradesh, 226026, India
| | - Anamika Gupta
- Department of Chemistry, Aligarh Muslim University, Aligarh, UP, India
| | - Mohd Rehan Zaheer
- Department of Chemistry, R.M.P.S.P. Girls Post Graduate College, Basti, Uttar Pradesh, 272301, India
| | - Roohi
- Protein research Laboratory, Department of Bioengineering, Integral University, Lucknow, Uttar Pradesh, 226026, India.
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Retraction: Production, purification and evaluation of biodegradation potential of PHB depolymerase of Stenotrophomonas sp. RZS7. PLoS One 2023; 18:e0286775. [PMID: 37315046 DOI: 10.1371/journal.pone.0286775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023] Open
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Maghembe RS, Mdoe FP, Makaranga A, Mpemba JA, Mark D, Mlay C, Moto EA, Mtewa AG. Complete genome sequence data of Priestia megaterium strain MARUCO02 isolated from marine mangrove-inhabited sediments of the Indian Ocean in the Bagamoyo Coast. Data Brief 2023. [DOI: 10.1016/j.dib.2023.109119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023] Open
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Amir M, Bano N, Baker A, Zia Q, Banawas S, Zaheer MR, Shariq M, Nawaz MS, Khan MF, Azad ZRAA, Gupta A, Iqbal D. Isolation and optimization of extracellular PHB depolymerase producer Aeromonas caviae Kuk1-(34) for sustainable solid waste management of biodegradable polymers. PLoS One 2022; 17:e0264207. [PMID: 35421107 PMCID: PMC9009665 DOI: 10.1371/journal.pone.0264207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 02/05/2022] [Indexed: 11/19/2022] Open
Abstract
Bioplastics, synthesized by several microbes, accumulates inside cells under stress conditions as a storage material. Several microbial enzymes play a crucial role in their degradation. This research was carried to test the biodegradability of poly-β-hydroxybutyrate (PHB) utilizing PHB depolymerase, produced by bacteria isolated from sewage waste soil samples. Potent PHB degrader was screened based on the highest zone of hydrolysis followed by PHB depolymerase activity. Soil burial method was employed to check their degradation ability at different incubation periods of 15, 30, and 45 days at 37±2°C, pH 7.0 at 60% moisture with 1% microbial inoculum of Aeromonas caviae Kuk1-(34) (MN414252). Without optimized conditions, 85.76% of the total weight of the PHB film was degraded after 45 days. This degradation was confirmed with Fourier-transform infrared spectroscopy (FTIR) and Scanning electron microscope (SEM) analysis. The presence of bacterial colonies on the surface of the degraded film, along with crest, holes, surface erosion, and roughness, were visible. Media optimization was carried out in statistical mode using Plackett Burman (PB) and Central Composite Design (CCD) of Response Surface Methodology (RSM) by considering ten different factors. Analysis of Variance (ANOVA), Pareto chart, response surface plots, and F-value of 3.82 implies that the above statistical model was significant. The best production of PHB depolymerase enzyme (14.98 U/mL) was observed when strain Kuk1-(34) was grown in a media containing 0.1% PHB, K2HPO4 (1.6 gm/L) at 27 ℃ for seven days. Exploiting these statistically optimized conditions, the culture was found to be a suitable candidate for the management of solid waste, where 94.4% of the total weight of the PHB film was degraded after 45 days of incubation.
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Affiliation(s)
- Mohammad Amir
- Protein Research Laboratory, Department of Bioengineering, Integral University, Lucknow, India
| | - Naushin Bano
- Protein Research Laboratory, Department of Bioengineering, Integral University, Lucknow, India
| | - Abu Baker
- Protein Research Laboratory, Department of Bioengineering, Integral University, Lucknow, India
| | - Qamar Zia
- Health and Basic Science Research Centre, Majmaah University, Majmaah, Saudi Arabia
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Majmaah, Saudi Arabia
| | - Saeed Banawas
- Health and Basic Science Research Centre, Majmaah University, Majmaah, Saudi Arabia
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Majmaah, Saudi Arabia
- Department of Biomedical Sciences, Oregon State University, Corvallis, Oregon, United States of America
| | - Mohd Rehan Zaheer
- Department of Science, Gagan College of Management and Technology, Aligarh, India
| | - Mohammad Shariq
- Department of Physics, Faculty of Science, Jazan University, Jazan, Saudi Arabia
| | - Md Sarfaraz Nawaz
- Department of Chemistry, Faculty of Science, Jazan University, Jazan, Saudi Arabia
| | - Mohd Farhan Khan
- Department of Science, Gagan College of Management and Technology, Aligarh, India
- Nano Solver Lab, Department of Mechanical Engineering, Z. H. College of Engineering & Technology, Aligarh Muslim University, Aligarh, India
| | - Z R Azaz Ahmad Azad
- Department of Post-Harvest Engineering and Technology, Aligarh Muslim University, Aligarh, India
| | - Anamika Gupta
- Department of Chemistry, Aligarh Muslim University, Aligarh, India
| | - Danish Iqbal
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Majmaah, Saudi Arabia
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Swiontek Brzezinka M, Richert A, Kalwasińska A, Świątczak J, Deja-Sikora E, Walczak M, Michalska-Sionkowska M, Piekarska K, Kaczmarek-Szczepańska B. Microbial degradation of polyhydroxybutyrate with embedded polyhexamethylene guanidine derivatives. Int J Biol Macromol 2021; 187:309-318. [PMID: 34310995 DOI: 10.1016/j.ijbiomac.2021.07.135] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 07/14/2021] [Accepted: 07/20/2021] [Indexed: 10/20/2022]
Abstract
The aim of this study was to isolate biofilm-forming bacteria that are capable of degrading polyhydroxybutyrate (PHB) with polyhexamethylene guanidine (PHMG) derivatives. The three types of derivatives incorporated in PHB and their concentration affected the biodegradability of the tested films in both water and compost. The PHMG derivative granular polyethylene wax at the highest concentration significantly inhibited BOD in both environments. At the same time, in water, PHB with PHMG stearate at 1% concentration was also found to inhibit biodegradation but to a lesser extent than PHMG polyethylene wax granulate. Analyzing the values of biofilm abundance and their hydrolytic activity in water, low concentrations of PHMG derivatives (0.2 and 0.6%) slightly inhibited biofilm abundance on the surface of the tested composites. Only granular polyethylene wax PHMG (at 1% concentration) significantly reduced biofilm formation and hydrolase activity in the compost to the greatest extent. Bacteria from biofilm were isolated and identified. Based on the 16S rRNA gene sequence, the strains belong to Bacillus toyonensis HW1 and Variovorax boronicumulans HK3. Introduction of the tested isolates to the environment can enhance composites degradation. However, this requires further research.
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Affiliation(s)
- Maria Swiontek Brzezinka
- Department of Environmental Microbiology and Biotechnology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Torun, Gagarina 11, 87 100 Torun, Poland.
| | - Agnieszka Richert
- Department of Genetics, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Torun, Gagarina 11, 87 100 Torun, Poland
| | - Agnieszka Kalwasińska
- Department of Environmental Microbiology and Biotechnology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Torun, Gagarina 11, 87 100 Torun, Poland
| | - Joanna Świątczak
- Department of Environmental Microbiology and Biotechnology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Torun, Gagarina 11, 87 100 Torun, Poland
| | - Edyta Deja-Sikora
- Department of Microbiology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Torun, Gagarina 11, 87 100 Torun, Poland
| | - Maciej Walczak
- Department of Environmental Microbiology and Biotechnology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Torun, Gagarina 11, 87 100 Torun, Poland
| | - Marta Michalska-Sionkowska
- Department of Environmental Microbiology and Biotechnology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Torun, Gagarina 11, 87 100 Torun, Poland
| | - Katarzyna Piekarska
- Department of Environmental Microbiology and Biotechnology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Torun, Gagarina 11, 87 100 Torun, Poland
| | - Beata Kaczmarek-Szczepańska
- Department of Biomaterials and Cosmetics Chemistry, Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100 Toruń, Poland
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Sayyed RZ, Shaikh SS, Wani SJ, Rehman MT, Al Ajmi MF, Haque S, El Enshasy HA. Production of Biodegradable Polymer from Agro-Wastes in Alcaligenes sp. and Pseudomonas sp. Molecules 2021; 26:molecules26092443. [PMID: 33922162 PMCID: PMC8122732 DOI: 10.3390/molecules26092443] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 03/30/2021] [Accepted: 04/13/2021] [Indexed: 11/16/2022] Open
Abstract
The present study was aimed to evaluate the suitability of agro-wastes and crude vegetable oils for the cost-effective production of poly-β-hydroxybutyrate (PHB), to evaluate growth kinetics and PHB production in Alcaligenes faecalis RZS4 and Pseudomonas sp. RZS1 with these carbon substrates and to study the biodegradation of PHB accumulated by these cultures. Alcaligenes faecalis RZS4 and Pseudomonas sp. RZS1 accumulates higher amounts of PHB corn (79.90% of dry cell mass) and rice straw (66.22% of dry cell mass) medium respectively. The kinetic model suggests that the Pseudomonas sp. RZS1 follows the Monod model more closely than A. faecalis RZS4. Both the cultures degrade their PHB extract under the influence of PHB depolymerase. Corn waste and rice straw appear as the best and cost-effective substrates for the sustainable production of PHB from Alcaligenes faecalis RZS4 and Pseudomonas sp. RZS1. The biopolymer accumulated by these organisms is biodegradable in nature. The agro-wastes and crude vegetable oils are good and low-cost sources of nutrients for the growth and production of PHB and other metabolites. Their use would lower the production cost of PHB and the low-cost production will reduce the sailing price of PHB-based products. This would promote the large-scale commercialization and popularization of PHB as an ecofriendly bioplastic/biopolymer.
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Affiliation(s)
- R. Z. Sayyed
- Department of Microbiology, PSGVP Mandal’s, Arts, Science and Commerce College, SHAHADA, Maharashtra 425 409, India; (S.S.S.); (S.J.W.)
- Correspondence:
| | - S. S. Shaikh
- Department of Microbiology, PSGVP Mandal’s, Arts, Science and Commerce College, SHAHADA, Maharashtra 425 409, India; (S.S.S.); (S.J.W.)
| | - S. J. Wani
- Department of Microbiology, PSGVP Mandal’s, Arts, Science and Commerce College, SHAHADA, Maharashtra 425 409, India; (S.S.S.); (S.J.W.)
| | - Md Tabish Rehman
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh 11564, Saudi Arabia; (M.T.R.); (M.F.A.A.)
| | - Mohammad F. Al Ajmi
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh 11564, Saudi Arabia; (M.T.R.); (M.F.A.A.)
| | - Shafiul Haque
- Research and Scientific Studies Unit, College of Nursing and Allied Health Sciences, Jazan University, Jazan 45142, Saudi Arabia;
| | - Hesham Ali El Enshasy
- Institute of Bioproduct Development (IBD), Universiti Teknologi Malaysia (UTM), Skudai, Johor Bahru 81310, Malaysia;
- City of Scientific Research and Technology Applications, New Burg Al-Arab, Alexandria 21934, Egypt
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