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Tsagogiannis E, Asimakoula S, Drainas AP, Marinakos O, Boti VI, Kosma IS, Koukkou AI. Elucidation of 4-Hydroxybenzoic Acid Catabolic Pathways in Pseudarthrobacter phenanthrenivorans Sphe3. Int J Mol Sci 2024; 25:843. [PMID: 38255919 PMCID: PMC10815724 DOI: 10.3390/ijms25020843] [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: 12/12/2023] [Revised: 01/05/2024] [Accepted: 01/08/2024] [Indexed: 01/24/2024] Open
Abstract
4-hydroxybenzoic acid (4-HBA) is an aromatic compound with high chemical stability, being extensively used in food, pharmaceutical and cosmetic industries and therefore widely distributed in various environments. Bioremediation constitutes the most sustainable approach for the removal of 4-hydroxybenzoate and its derivatives (parabens) from polluted environments. Pseudarthrobacter phenanthrenivorans Sphe3, a strain capable of degrading several aromatic compounds, is able to grow on 4-HBA as the sole carbon and energy source. Here, an attempt is made to clarify the catabolic pathways that are involved in the biodegradation of 4-hydroxybenzoate by Sphe3, applying a metabolomic and transcriptomic analysis of cells grown on 4-HBA. It seems that in Sphe3, 4-hydroxybenzoate is hydroxylated to form protocatechuate, which subsequently is either cleaved in ortho- and/or meta-positions or decarboxylated to form catechol. Protocatechuate and catechol are funneled into the TCA cycle following either the β-ketoadipate or protocatechuate meta-cleavage branches. Our results also suggest the involvement of the oxidative decarboxylation of the protocatechuate peripheral pathway to form hydroxyquinol. As a conclusion, P. phenanthrenivorans Sphe3 seems to be a rather versatile strain considering the 4-hydroxybenzoate biodegradation, as it has the advantage to carry it out effectively following different catabolic pathways concurrently.
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Affiliation(s)
- Epameinondas Tsagogiannis
- Laboratory of Biochemistry, Sector of Organic Chemistry and Biochemistry, Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece; (E.T.); (S.A.); (A.P.D.); (O.M.)
| | - Stamatia Asimakoula
- Laboratory of Biochemistry, Sector of Organic Chemistry and Biochemistry, Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece; (E.T.); (S.A.); (A.P.D.); (O.M.)
| | - Alexandros P. Drainas
- Laboratory of Biochemistry, Sector of Organic Chemistry and Biochemistry, Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece; (E.T.); (S.A.); (A.P.D.); (O.M.)
| | - Orfeas Marinakos
- Laboratory of Biochemistry, Sector of Organic Chemistry and Biochemistry, Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece; (E.T.); (S.A.); (A.P.D.); (O.M.)
| | - Vasiliki I. Boti
- Unit of Environmental, Organic and Biochemical High-Resolution Analysis-Orbitrap-LC-MS, University of Ioannina, 451110 Ioannina, Greece;
| | - Ioanna S. Kosma
- Laboratory of Food Chemistry, Sector of Industrial Chemistry and Food Chemistry, Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece;
| | - Anna-Irini Koukkou
- Laboratory of Biochemistry, Sector of Organic Chemistry and Biochemistry, Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece; (E.T.); (S.A.); (A.P.D.); (O.M.)
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Coluccia M, Besaury L. Acidobacteria members harbour an abundant and diverse carbohydrate-active enzymes (cazyme) and secreted proteasome repertoire, key factors for potential efficient biomass degradation. Mol Genet Genomics 2023:10.1007/s00438-023-02045-x. [PMID: 37335345 DOI: 10.1007/s00438-023-02045-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 06/05/2023] [Indexed: 06/21/2023]
Abstract
The Acidobacteria phylum is a very abundant group (20-30% of microbial communities in soil ecosystems); however, little is known about these microorganisms and their ability to degrade the biomass and lignocellulose due to the difficulty of culturing them. We, therefore, bioinformatically studied the content of lignocellulolytic enzymes (total and predicted secreted enzymes) and secreted peptidases in an in silico library containing 41 Acidobacteria genomes. The results showed a high abundance and diversity of total and secreted Carbohydrate-Active enzymes (cazyme) families among the Acidobacteria compared to known previous degraders. Indeed, the relative abundance of cazymes in some genomes represented more than 6% of the gene coding proteins with at least 300 cazymes. The same observation was made with the predicted secreted peptidases with several families of secreted peptidases, which represented at least 1.5% of the gene coding proteins in several genomes. These results allowed us to highlight the lignocellulolytic potential of the Acidobacteria phylum in the degradation of lignocellulosic biomass, which could explain its high abundance in the environment.
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Affiliation(s)
- Marion Coluccia
- Université de Reims Champagne Ardenne, INRAE, FARE, UMR A 614, Chaire AFERE, 51097, Reims, France
| | - Ludovic Besaury
- Université de Reims Champagne Ardenne, INRAE, FARE, UMR A 614, Chaire AFERE, 51097, Reims, France.
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Saleem Q, Shahid S, Rahim A, Bajaber MA, Mansoor S, Javed M, Iqbal S, Bahadur A, Aljazzar SO, Pashameah RA, AlSubhi SA, Alzahrani E, Farouk AE. A highly explicit electrochemical biosensor for catechol detection in real samples based on copper-polypyrrole. RSC Adv 2023; 13:13443-13455. [PMID: 37152558 PMCID: PMC10155604 DOI: 10.1039/d2ra07847c] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 03/31/2023] [Indexed: 05/09/2023] Open
Abstract
Catechol is a pollutant that can lead to serious health issues. Identification in aquatic environments is difficult. A highly specific, selective, and sensitive electrochemical biosensor based on a copper-polypyrrole composite and a glassy carbon electrode has been created for catechol detection. The novelty of this newly developed biosensor was tested using electrochemical techniques. The charge and mass transfer functions and partially reversible oxidation kinetics of catechol on the redesigned electrode surface were examined using electrochemical impedance spectroscopy and cyclic voltammetry scan rates. Using cyclic voltammetry, chronoamperometry, and differential pulse voltammetry, the characteristics of sensitivity (8.5699 μA cm-2), LOD (1.52 × 10-7 μM), LOQ (3.52 × 10-5 μM), linear range (0.02-2500 μM), specificity, interference, and real sample detection were investigated. The morphological, structural, and bonding characteristics were investigated using XRD, Raman, FTIR, and SEM. Using an oxidation-reduction technique, a suitable biosensor material was produced. In the presence of interfering compounds, it was shown that it was selective for catechol, like an enzyme.
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Affiliation(s)
- Qasar Saleem
- Department of Chemistry, School of Science, University of Management and Technology Lahore 54770 Pakistan
| | - Sammia Shahid
- Department of Chemistry, School of Science, University of Management and Technology Lahore 54770 Pakistan
| | - Abdur Rahim
- Department of Chemistry, COMSATS University Islamabad Pakistan
| | - Majed A Bajaber
- Chemistry Department, Faculty of Science, King Khalid University P. O. Box 9004 Abha 61413 Saudi Arabia
| | - Sana Mansoor
- Department of Chemistry, School of Science, University of Management and Technology Lahore 54770 Pakistan
| | - Mohsin Javed
- Department of Chemistry, School of Science, University of Management and Technology Lahore 54770 Pakistan
| | - Shahid Iqbal
- Department of Chemistry, School of Natural Sciences (SNS), National University of Science and Technology (NUST) H-12 Islamabad 46000 Pakistan
| | - Ali Bahadur
- Department of Chemistry, College of Science and Technology, Wenzhou-Kean University Wenzhou 325060 China
| | - Samar O Aljazzar
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University P. O. Box 84428 Riyadh 11671 Saudi Arabia
| | - Rami Adel Pashameah
- Department of Chemistry, Faculty of Applied Science, Umm Al-Qura University Makkah 24230 Saudi Arabia
| | - Samah A AlSubhi
- Laboratory Medicine Department, Faculty of Applied Medical Science, Umm Al-Qura University Makkah Saudi Arabia
| | - Eman Alzahrani
- Department of Chemistry, College of Science, Taif University P. O. Box 11099 Taif 21944 Saudi Arabia
| | - Abd-ElAziem Farouk
- Department of Chemistry, College of Science, Taif University P. O. Box 11099 Taif 21944 Saudi Arabia
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Chaput G, Ford J, DeDiego L, Narayanan A, Tam WY, Whalen M, Huntemann M, Clum A, Spunde A, Pillay M, Palaniappan K, Varghese N, Mikhailova N, Chen IM, Stamatis D, Reddy TBK, O’Malley R, Daum C, Shapiro N, Ivanova N, Kyrpides NC, Woyke T, Glavina del Rio T, DeAngelis KM. Sodalis ligni Strain 159R Isolated from an Anaerobic Lignin-Degrading Consortium. Microbiol Spectr 2022; 10:e0234621. [PMID: 35579457 PMCID: PMC9241852 DOI: 10.1128/spectrum.02346-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 04/19/2022] [Indexed: 11/20/2022] Open
Abstract
Novel bacterial isolates with the capabilities of lignin depolymerization, catabolism, or both, could be pertinent to lignocellulosic biofuel applications. In this study, we aimed to identify anaerobic bacteria that could address the economic challenges faced with microbial-mediated biotechnologies, such as the need for aeration and mixing. Using a consortium seeded from temperate forest soil and enriched under anoxic conditions with organosolv lignin as the sole carbon source, we successfully isolated a novel bacterium, designated 159R. Based on the 16S rRNA gene, the isolate belongs to the genus Sodalis in the family Bruguierivoracaceae. Whole-genome sequencing revealed a genome size of 6.38 Mbp and a GC content of 55 mol%. To resolve the phylogenetic position of 159R, its phylogeny was reconstructed using (i) 16S rRNA genes of its closest relatives, (ii) multilocus sequence analysis (MLSA) of 100 genes, (iii) 49 clusters of orthologous groups (COG) domains, and (iv) 400 conserved proteins. Isolate 159R was closely related to the deadwood associated Sodalis guild rather than the tsetse fly and other insect endosymbiont guilds. Estimated genome-sequence-based digital DNA-DNA hybridization (dDDH), genome percentage of conserved proteins (POCP), and an alignment analysis between 159R and the Sodalis clade species further supported that isolate 159R was part of the Sodalis genus and a strain of Sodalis ligni. We proposed the name Sodalis ligni str. 159R (=DSM 110549 = ATCC TSD-177). IMPORTANCE Currently, in the paper industry, paper mill pulping relies on unsustainable and costly processes to remove lignin from lignocellulosic material. A greener approach is biopulping, which uses microbes and their enzymes to break down lignin. However, there are limitations to biopulping that prevent it from outcompeting other pulping processes, such as requiring constant aeration and mixing. Anaerobic bacteria are a promising alternative source for consolidated depolymerization of lignin and its conversion to valuable by-products. We presented Sodalis ligni str. 159R and its characteristics as another example of potential mechanisms that can be developed for lignocellulosic applications.
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Affiliation(s)
- Gina Chaput
- Department of Microbiology, University of Massachusetts–Amherst, Amherst, Massachusetts, USA
| | - Jacob Ford
- Department of Microbiology, University of Massachusetts–Amherst, Amherst, Massachusetts, USA
| | - Lani DeDiego
- Department of Microbiology, University of Massachusetts–Amherst, Amherst, Massachusetts, USA
| | - Achala Narayanan
- Department of Microbiology, University of Massachusetts–Amherst, Amherst, Massachusetts, USA
| | - Wing Yin Tam
- Department of Microbiology, University of Massachusetts–Amherst, Amherst, Massachusetts, USA
| | - Meghan Whalen
- Department of Microbiology, University of Massachusetts–Amherst, Amherst, Massachusetts, USA
| | - Marcel Huntemann
- United States Department of Energy Joint Genome Institute, Berkeley, California, USA
| | - Alicia Clum
- United States Department of Energy Joint Genome Institute, Berkeley, California, USA
| | - Alex Spunde
- United States Department of Energy Joint Genome Institute, Berkeley, California, USA
| | - Manoj Pillay
- United States Department of Energy Joint Genome Institute, Berkeley, California, USA
| | | | - Neha Varghese
- United States Department of Energy Joint Genome Institute, Berkeley, California, USA
| | - Natalia Mikhailova
- United States Department of Energy Joint Genome Institute, Berkeley, California, USA
| | - I-Min Chen
- United States Department of Energy Joint Genome Institute, Berkeley, California, USA
| | - Dimitrios Stamatis
- United States Department of Energy Joint Genome Institute, Berkeley, California, USA
| | - T. B. K Reddy
- United States Department of Energy Joint Genome Institute, Berkeley, California, USA
| | - Ronan O’Malley
- United States Department of Energy Joint Genome Institute, Berkeley, California, USA
| | - Chris Daum
- United States Department of Energy Joint Genome Institute, Berkeley, California, USA
| | - Nicole Shapiro
- United States Department of Energy Joint Genome Institute, Berkeley, California, USA
| | - Natalia Ivanova
- United States Department of Energy Joint Genome Institute, Berkeley, California, USA
| | - Nikos C. Kyrpides
- United States Department of Energy Joint Genome Institute, Berkeley, California, USA
| | - Tanja Woyke
- United States Department of Energy Joint Genome Institute, Berkeley, California, USA
| | | | - Kristen M. DeAngelis
- Department of Microbiology, University of Massachusetts–Amherst, Amherst, Massachusetts, USA
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