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Corti Monzón G, Bertola G, Herrera Seitz MK, Murialdo SE. Exploring polyhydroxyalkanoates biosynthesis using hydrocarbons as carbon source: a comprehensive review. Biodegradation 2024; 35:519-538. [PMID: 38310580 DOI: 10.1007/s10532-023-10068-9] [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: 09/18/2023] [Accepted: 12/13/2023] [Indexed: 02/06/2024]
Abstract
Environmental pollution caused by petrochemical hydrocarbons (HC) and plastic waste is a pressing global challenge. However, there is a promising solution in the form of bacteria that possess the ability to degrade HC, making them valuable tools for remediating contaminated environments and effluents. Moreover, some of these bacteria offer far-reaching potential beyond bioremediation, as they can also be utilized to produce polyhydroxyalkanoates (PHAs), a common type of bioplastics. The accumulation of PHAs in bacterial cells is facilitated in environments with high C/N or C/P ratio, which are often found in HC-contaminated environments and effluents. Consequently, some HC-degrading bacteria can be employed to simultaneously produce PHAs and conduct biodegradation processes. Although bacterial bioplastic production has been thoroughly studied, production costs are still too high compared to petroleum-derived plastics. This article aims to provide a comprehensive review of recent scientific advancements concerning the capacity of HC-degrading bacteria to produce PHAs. It will delve into the microbial strains involved and the types of bioplastics generated, as well as the primary pathways for HC biodegradation and PHAs production. In essence, we propose the potential utilization of HC-degrading bacteria as a versatile tool to tackle two major environmental challenges: HC pollution and the accumulation of plastic waste. Through a comprehensive analysis of strengths and weaknesses in this aspect, this review aims to pave the way for future research in this area, with the goal of facilitating and promoting investigation in a field where obtaining PHAs from HC remains a costly and challenging process.
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Affiliation(s)
- G Corti Monzón
- Instituto de Ciencia y Tecnología de Alimentos y Ambiente, INCITAA, CONICET, Universidad Nacional de Mar del Plata, Buenos Aires, Argentina.
| | - G Bertola
- Instituto de Ciencia y Tecnología de Alimentos y Ambiente, INCITAA, CONICET, Universidad Nacional de Mar del Plata, Buenos Aires, Argentina
| | - M K Herrera Seitz
- Instituto de Investigaciones Biológicas, IIB, CONICET, Universidad Nacional de Mar del Plata, Buenos Aires, Argentina
| | - S E Murialdo
- Instituto de Ciencia y Tecnología de Alimentos y Ambiente, INCITAA, CIC, Universidad Nacional de Mar del Plata, Buenos Aires, Argentina
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Park S, Roh S, Yoo J, Ahn JH, Gong G, Lee SM, Um Y, Han SO, Ko JK. Tailored polyhydroxyalkanoate production from renewable non-fatty acid carbon sources using engineered Cupriavidus necator H16. Int J Biol Macromol 2024; 263:130360. [PMID: 38387639 DOI: 10.1016/j.ijbiomac.2024.130360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 02/14/2024] [Accepted: 02/19/2024] [Indexed: 02/24/2024]
Abstract
As thermoplastic, nontoxic, and biocompatible polyesters, polyhydroxyalkanoates (PHAs) are considered promising biodegradable plastic candidates for diverse applications. Short-chain-length/medium-chain-length (SCL/MCL) PHA copolymers are flexible and versatile PHAs that are typically produced from fatty acids, which are expensive and toxic. Therefore, to achieve the sustainable biosynthesis of SCL/MCL-PHAs from renewable non-fatty acid carbon sources (e.g., sugar or CO2), we used the lithoautotrophic bacterium Cupriavidus necator H16 as a microbial platform. Specifically, we synthesized tailored PHA copolymers with varying MCL-3-hydroxyalkanoate (3HA) compositions (10-70 mol%) from fructose by rewiring the MCL-3HA biosynthetic pathways, including (i) the thioesterase-mediated free fatty acid biosynthetic pathway coupled with the beta-oxidation cycle and (ii) the hydroxyacyl transferase-mediated fatty acid de novo biosynthetic pathway. In addition to sugar-based feedstocks, engineered strains are also promising platforms for the lithoautotrophic production of SCL/MCL-PHAs from CO2. The set of engineered C. necator strains developed in this study provides greater opportunities to produce customized polymers with controllable monomer compositions from renewable resources.
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Affiliation(s)
- Soyoung Park
- Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
| | - Soonjong Roh
- Biomaterials Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
| | - Jin Yoo
- Biomaterials Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
| | - Jung Ho Ahn
- Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea; Division of Energy and Environment Technology, KIST School, University of Science and Technology, Seoul 02792, Republic of Korea
| | - Gyeongtaek Gong
- Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea; Division of Energy and Environment Technology, KIST School, University of Science and Technology, Seoul 02792, Republic of Korea
| | - Sun-Mi Lee
- Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea; Division of Energy and Environment Technology, KIST School, University of Science and Technology, Seoul 02792, Republic of Korea
| | - Youngsoon Um
- Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea; Division of Energy and Environment Technology, KIST School, University of Science and Technology, Seoul 02792, Republic of Korea
| | - Sung Ok Han
- Department of Biotechnology, Graduate School, Korea University, Seoul 02841, Republic of Korea
| | - Ja Kyong Ko
- Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea; Division of Energy and Environment Technology, KIST School, University of Science and Technology, Seoul 02792, Republic of Korea.
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Araceli FS, Juliana A R, Berenice VP, Fermin PG, Bruce A R. High amounts of medium-chain-length polyhydroxyalkanoates subunits can be accumulated in recombinant Cupriavidus necator with wild-type synthase. J Biotechnol 2022; 349:25-31. [PMID: 35341893 DOI: 10.1016/j.jbiotec.2022.03.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 03/10/2022] [Accepted: 03/20/2022] [Indexed: 10/18/2022]
Abstract
Recombinant Cupriavidus necator H16/pMPJAS03, expressing a P. putida KT2440 enoyl-CoA hydratase (phaJ), was able to synthesize short-chain-length/ medium-chain-length (scl-mcl) PHA copolymers with a high content of mcl subunits using its native poly(3-hydroxyalkanoate) synthase. The cells were cultivated on fructose with canola oil or canola oil/decanoic acid (DA) mixtures in fed-batch fermentations. The recombinant C. necator H16 (without any synthase modification) produced a polymer composed of 3-hydroxybutyrate (3HB) with mcl-subunits, including 3-hydroxyhexanoate (3HHx), and about 300-fold more 3-hydroxyoctanoate (3HO) than the yields reported in previous studies, as well as a significant amount of 3-hydroxydecanoate (3HD). Increasing the DA content in the feed from 0 to 15% v/v increased the molar content of the 3HD subunits from 1.2 to 2.1mol%. The presence of larger monomers, such as 3HO and 3HD, decreased the crystallinity and melting temperature and modified the mechanical properties of the polymers. Thus, replacing either of the two gene products (phaJ or phaC1) required to produce PHA from CoA-3-hydroxy fatty acids with broader spectrum enzymes, is suitable for the production of commercially useful scl-mcl-PHA.
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Affiliation(s)
- Flores-Sánchez Araceli
- Escuela de Ingeniería, Tecnológico de Monterrey, Campus Estado de México. Estado de México 52926, México; Chemical Engineering, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - Ramsay Juliana A
- Chemical Engineering, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - Vergara-Porras Berenice
- Escuela de Ingeniería, Tecnológico de Monterrey, Campus Estado de México. Estado de México 52926, México
| | - Pérez-Guevara Fermin
- Departamento de Biotecnología y Bioingeniería. Centro de Investigación y Estudios Avanzados (CINVESTAV). Ciudad de México 07360, México
| | - Ramsay Bruce A
- Chemical Engineering, Queen's University, Kingston, Ontario K7L 3N6, Canada.
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Meng D, Miao C, Liu Y, Wang F, Chen L, Huang Z, Fan X, Gu P, Li Q. Metabolic engineering for biosynthesis of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) from glucose and propionic acid in recombinant Escherichia coli. BIORESOURCE TECHNOLOGY 2022; 348:126786. [PMID: 35114368 DOI: 10.1016/j.biortech.2022.126786] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/22/2022] [Accepted: 01/25/2022] [Indexed: 06/14/2023]
Abstract
In this study, novel polyhydroxyalkanoate (PHA)-associated genes (phaCp and phaABp) cloned from Propylenella binzhouense L72T were expressed in Escherichiacoli cells for PHA production, and the recombinant strains were used to analyze PHA yields with various substrates. The highest poly (3-hydroxybutyrate-co-3-hydroxy-valerate) (PHBV) yield (1.06 g/L) and cell dry weight (3.31 g/L) in E. coli DH5α/ΔptsG-CpABp were achieved by using glucose and propionicacid as substrates. Structural verification of PHBV produced by E. coli DH5α/ΔptsG-CpABp was performed to evaluate the characteristics of the polymers using Fourier transform infrared spectroscopy and nuclear magnetic resonance analysis. In addition, the X-ray diffraction results showed improved crystallinity of PHBV, and thermogravimetric analysis showed good thermal stability of 298 °C. The above findings indicated that the expression of phaCp and phaABp genes resulted in improved PHBV synthesis activity, and the polymer had better performance at higher processing temperatures.
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Affiliation(s)
- Dong Meng
- School of Biological Science and Technology, University of Jinan, Jinan, PR China
| | - Changfeng Miao
- School of Biological Science and Technology, University of Jinan, Jinan, PR China
| | - Yuling Liu
- School of Biological Science and Technology, University of Jinan, Jinan, PR China
| | - Fang Wang
- School of Biological Science and Technology, University of Jinan, Jinan, PR China
| | - Lu Chen
- School of Biological Science and Technology, University of Jinan, Jinan, PR China
| | - Zhaosong Huang
- School of Biological Science and Technology, University of Jinan, Jinan, PR China
| | - Xiangyu Fan
- School of Biological Science and Technology, University of Jinan, Jinan, PR China
| | - Pengfei Gu
- School of Biological Science and Technology, University of Jinan, Jinan, PR China
| | - Qiang Li
- School of Biological Science and Technology, University of Jinan, Jinan, PR China.
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