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Sørensen T, Petersen C, Muurmann AT, Christiansen JV, Brundtø ML, Overgaard CK, Boysen AT, Wollenberg RD, Larsen TO, Sørensen JL, Nielsen KL, Sondergaard TE. Apiospora arundinis, a panoply of carbohydrate-active enzymes and secondary metabolites. IMA Fungus 2024; 15:10. [PMID: 38582937 PMCID: PMC10999098 DOI: 10.1186/s43008-024-00141-0] [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: 10/04/2023] [Accepted: 03/16/2024] [Indexed: 04/08/2024] Open
Abstract
The Apiospora genus comprises filamentous fungi with promising potential, though its full capabilities remain undiscovered. In this study, we present the first genome assembly of an Apiospora arundinis isolate, demonstrating a highly complete and contiguous assembly estimated to 48.8 Mb, with an N99 of 3.0 Mb. Our analysis predicted a total of 15,725 genes, with functional annotations for 13,619 of them, revealing a fungus capable of producing very high amounts of carbohydrate-active enzymes (CAZymes) and secondary metabolites. Through transcriptomic analysis, we observed differential gene expression in response to varying growth media, with several genes related to carbohydrate metabolism showing significant upregulation when the fungus was cultivated on a hay-based medium. Finally, our metabolomic analysis unveiled a fungus capable of producing a diverse array of metabolites.
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Affiliation(s)
- Trine Sørensen
- Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, Aalborg, 9220, Denmark
| | - Celine Petersen
- Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, Aalborg, 9220, Denmark
| | - Asmus T Muurmann
- Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, Aalborg, 9220, Denmark
| | - Johan V Christiansen
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Søltofts Plads 221, Kongens Lyngby, 2800, Denmark
| | - Mathias L Brundtø
- Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, Aalborg, 9220, Denmark
| | - Christina K Overgaard
- Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, Aalborg, 9220, Denmark
| | - Anders T Boysen
- Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, Aalborg, 9220, Denmark
| | - Rasmus D Wollenberg
- Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, Aalborg, 9220, Denmark
| | - Thomas O Larsen
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Søltofts Plads 221, Kongens Lyngby, 2800, Denmark
| | - Jens L Sørensen
- Department of Chemistry and Bioscience, Aalborg University, Niels-Bohrs Vej 8, Esbjerg, 6700, Denmark
| | - Kåre L Nielsen
- Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, Aalborg, 9220, Denmark.
| | - Teis E Sondergaard
- Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, Aalborg, 9220, Denmark.
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Qaiser H, Kaleem A, Abdullah R, Iqtedar M, Hoessli DC. Overview of lignocellulolytic enzyme systems with special reference to valorization of lignocellulosic biomass. Protein Pept Lett 2021; 28:1349-1364. [PMID: 34749601 DOI: 10.2174/0929866528666211105110643] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 09/03/2021] [Accepted: 09/03/2021] [Indexed: 11/22/2022]
Abstract
Lignocellulosic biomass, one of the most valuable natural resources, is abundantly present on earth. Being a renewable feedstock, it harbors a great potential to be exploited as a raw material, to produce various value-added products. Lignocellulolytic microorganisms hold a unique position regarding the valorization of lignocellulosic biomass as they contain efficient enzyme systems capable of degrading this biomass. The ubiquitous nature of these microorganisms and their survival under extreme conditions have enabled their use as an effective producer of lignocellulolytic enzymes with improved biochemical features crucial to industrial bioconversion processes. These enzymes can prove to be an exquisite tool when it comes to the eco-friendly manufacturing of value-added products using waste material. This review focuses on highlighting the significance of lignocellulosic biomass, microbial sources of lignocellulolytic enzymes and their use in the formation of useful products.
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Affiliation(s)
- Hina Qaiser
- Department of Biology, Lahore Garrison University, Lahore. Pakistan
| | - Afshan Kaleem
- Department of Biotechnology, Lahore College for Women University, Lahore. Pakistan
| | - Roheena Abdullah
- Department of Biotechnology, Lahore College for Women University, Lahore. Pakistan
| | - Mehwish Iqtedar
- Department of Biotechnology, Lahore College for Women University, Lahore. Pakistan
| | - Daniel C Hoessli
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi. Pakistan
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Anusha P, Narayanan M, Natarajan D, Kandasamy S, Chinnathambi A, Alharbi SA, Brindhadevi K. Assessment of hexavalent chromium (VI) biosorption competence of indigenous Aspergillus tubingensis AF3 isolated from bauxite mine tailing. CHEMOSPHERE 2021; 282:131055. [PMID: 34118617 DOI: 10.1016/j.chemosphere.2021.131055] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 05/20/2021] [Accepted: 05/29/2021] [Indexed: 06/12/2023]
Abstract
The intention of this research was to find the most eminent metal tolerant and absorbing autochthonous fungal species from the waste dump of a bauxite mine. Out of the 4 (BI-1, BI-II, BI-III, and BI-IV) predominant isolates, BI-II had an excellent metal tolerance potential against most of the metals in the subsequent order: Cr(VI) (1500), Cu(II) (600), Pb(II) (500), and Zn(II) (500-1500 μg mL-1). BI-II had shown tolerance to Cr(VI) up to 1500 mg L-1. The excellent metal tolerant isolate was characterized and identified as Aspergillus tubingensis AF3 through 18S rRNA sequencing method and submitted to GenBank and received an accession number (MN901243). A. tubingensis AF3 had the efficiency to absorb Cr(VI) and Cu(II) at <70 & 46.3% respectively under the standard growth conditions. Under the optimized conditions (25 °C, pH 7.0, 0.5% of dextrose, and 12 days of incubation), A. tubingensis AF3 absorbed 74.48% of Cr(VI) in 12 days (reduction occurred as 822.3, 719.13, 296.66, and 255.2 mg L-1 of Cr(VI) on the 3rd, the 6th, the 9th and the 12th day, respectively). The adsorbed metal was sequestered in the mycelia of the fungus in a precipitated form; it was confirmed by Scanning Electron Microscope (SEM) and Energy Dispersive X-ray analysis (EDX) analyses. The possible biosorption mechanisms were analyzed by Fourier-Transform Infrared Spectroscopy (FTIR) analysis, the results showed the presence of N-H primary amines (1649.98 cm-1) and Alkanes (914.30 cm-1) in the cell wall of the fungus, while being treated with Cr(VI) they supported and enhanced the Cr(VI) absorption. The entire results concluded that the biomass of A. tubingensis AF3 had the potential to absorb a high concentration of Cr(VI).
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Affiliation(s)
- Ponniah Anusha
- Natural Drug Research Laboratory, Department of Biotechnology, Periyar University, Salem, Tamil Nadu, India
| | - Mathiyazhagan Narayanan
- PG and Research Centre in Biotechnology, MGR College, Adhiyamaan Educational Research Institute, Hosur, Tamil Nadu, India
| | - Devarajan Natarajan
- Natural Drug Research Laboratory, Department of Biotechnology, Periyar University, Salem, Tamil Nadu, India.
| | | | - Arunachalam Chinnathambi
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box -2455, Riyadh, 11451, Saudi Arabia
| | - Sulaiman Ali Alharbi
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box -2455, Riyadh, 11451, Saudi Arabia
| | - Kathirvel Brindhadevi
- Faculty of Electrical and Electronics Engineering, Ton Duc Thang, University, Ho Chi Minh City, Viet Nam.
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Balabanova L, Slepchenko L, Son O, Tekutyeva L. Biotechnology Potential of Marine Fungi Degrading Plant and Algae Polymeric Substrates. Front Microbiol 2018; 9:1527. [PMID: 30050513 PMCID: PMC6052901 DOI: 10.3389/fmicb.2018.01527] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Accepted: 06/19/2018] [Indexed: 12/19/2022] Open
Abstract
Filamentous fungi possess the metabolic capacity to degrade environment organic matter, much of which is the plant and algae material enriched with the cell wall carbohydrates and polyphenol complexes that frequently can be assimilated by only marine fungi. As the most renewable energy feedstock on the Earth, the plant or algae polymeric substrates induce an expression of microbial extracellular enzymes that catalyze their cleaving up to the component sugars. However, the question of what the marine fungi contributes to the plant and algae material biotransformation processes has yet to be highlighted sufficiently. In this review, we summarized the potential of marine fungi alternatively to terrestrial fungi to produce the biotechnologically valuable extracellular enzymes in response to the plant and macroalgae polymeric substrates as sources of carbon for their bioconversion used for industries and bioremediation.
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Affiliation(s)
- Larissa Balabanova
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch, Russian Academy of Sciences, Vladivostok, Russia
- Innovative Technology Center, Far Eastern Federal University, Vladivostok, Russia
| | - Lubov Slepchenko
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch, Russian Academy of Sciences, Vladivostok, Russia
- Innovative Technology Center, Far Eastern Federal University, Vladivostok, Russia
| | - Oksana Son
- Innovative Technology Center, Far Eastern Federal University, Vladivostok, Russia
| | - Liudmila Tekutyeva
- Innovative Technology Center, Far Eastern Federal University, Vladivostok, Russia
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Majumder R, Sheikh L, Naskar A, Vineeta, Mukherjee M, Tripathy S. Depletion of Cr(VI) from aqueous solution by heat dried biomass of a newly isolated fungus Arthrinium malaysianum: A mechanistic approach. Sci Rep 2017; 7:11254. [PMID: 28900147 PMCID: PMC5595784 DOI: 10.1038/s41598-017-10160-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 07/27/2017] [Indexed: 11/09/2022] Open
Abstract
For the first time, the heat dried biomass of a newly isolated fungus Arthrinium malaysianum was studied for the toxic Cr(VI) adsorption, involving more than one mechanism like physisorption, chemisorption, oxidation-reduction and chelation. The process was best explained by the pseudo-second order kinetic model and Redlich-Peterson isotherm with maximum predicted biosorption capacity (Qm) of 100.69 mg g−1. Film-diffusion was the rate-controlling step and the adsorption was spontaneous, endothermic and entropy-driven. The mode of interactions between Cr(VI) ions and fungal biomass were investigated by several methods [Fourier Transform-Infrared Spectroscopy (FT-IR), X-ray Diffraction (XRD) and Energy-Dispersive X-ray spectroscopy (EDX)]. X-ray Photoelectron Spectroscopy (XPS) studies confirmed significant reduction of Cr(VI) into non-toxic Cr(III) species. Further, a modified methodology of Atomic Force Microscopy was successfully attempted to visualize the mycelial ultra-structure change after chromium adsorption. The influence of pH, biomass dose and contact time on Cr(VI) depletion were evaluated by Response Surface Model (RSM). FESEM-EDX analysis also exhibited arsenic (As) and lead (Pb) peaks on fungus surface upon treating with synthetic solutions of NaAsO2 and Pb(NO3)2 respectively. Additionally, the biomass could also remove chromium from industrial effluents, suggesting the fungal biomass as a promising adsorbent for toxic metals removal.
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Affiliation(s)
- Rajib Majumder
- Structural Biology & Bio-Informatics Division, CSIR-Indian Institute of Chemical Biology, Kolkata, 700032, India
| | - Lubna Sheikh
- Structural Biology & Bio-Informatics Division, CSIR-Indian Institute of Chemical Biology, Kolkata, 700032, India
| | - Animesh Naskar
- Department of Food Technology and Biochemical Engineering, Jadavpur University, Kolkata, 700032, India
| | - Vineeta
- Structural Biology & Bio-Informatics Division, CSIR-Indian Institute of Chemical Biology, Kolkata, 700032, India
| | - Manabendra Mukherjee
- Surface Physics and Material Science Division, Saha Institute of Nuclear Physics, Kolkata, 700064, India
| | - Sucheta Tripathy
- Structural Biology & Bio-Informatics Division, CSIR-Indian Institute of Chemical Biology, Kolkata, 700032, India.
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Lima JO, Pereira JF, Araújo EFD, Queiroz MVD. Pectin lyase overproduction by Penicillium griseoroseum mutants resistant to catabolite repression. Braz J Microbiol 2017; 48:602-606. [PMID: 28237679 PMCID: PMC5498439 DOI: 10.1016/j.bjm.2016.12.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Revised: 12/09/2016] [Accepted: 12/26/2016] [Indexed: 12/30/2022] Open
Abstract
Expression of pectinolytic genes is regulated by catabolic repression limiting the production of pectin lyase (PL) if the natural inducer, pectin, is missing from the growth medium. Here, we report the isolation of Penicillium griseoroseum mutants resistant to 2-deoxy-d-glucose (DG) that show resistance to catabolite repression and overproduce PL. Three spontaneous and nine UV-induced mutants were obtained. Some mutants produced sectors (segments morphologically different) that were also studied. The mutants were analyzed for pectinases production on pectinase-agar plates and five mutants and two sectors showing larger clearing zones than the wild type were selected for quantitative assay. Although PL production higher than the wild type has been found, phenotype instability was observed for most of the mutants and, after transfers to nonselective medium, the DG resistance was no longer present. Only mutants M03 and M04 were stable maintaining the DG-resistance phenotype. When growing for 120 h in liquid medium containing glucose with or without pectin, both mutants showed higher PL production. In the presence of glucose as sole carbon source, the mutant M03 produced 7.8-fold more PL than the wild type. Due its phenotypic stability and PL overproduction, the mutant M03 presents potential for industrial applications.
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Affiliation(s)
| | - Jorge Fernando Pereira
- Universidade Federal de Viçosa, Departamento de Microbiologia, Viçosa, MG, Brazil; Embrapa Trigo, Passo Fundo, RS, Brazil
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