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Biomolecules
Special Issues
Recent Advances in Laccases and Laccase-Based Bioproducts: 2nd Edition
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Recent Advances in Laccases and Laccase-Based Bioproducts: 2nd Edition

A special issue of Biomolecules (ISSN 2218-273X). This special issue belongs to the section "Enzymology".

Deadline for manuscript submissions: 31 December 2025 | Viewed by 652

Special Issue Editors

Prof. Dr. Grzegorz Janusz

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Guest Editor
Department of Biochemistry and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Akademicka 19 Street, 20-033 Lublin, Poland
Interests: wood degradation; fungal enzymes; fungal genetics; light influence on microorganisms metabolism; biotechnology
Special Issues, Collections and Topics in MDPI journals
Dr. Anna Pawlik

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Guest Editor
Department of Biochemistry and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Lublin, Poland
Interests: laccase; wood degradation; microbiology; genomics; phylogenetics; fungal enzymes; light; enzymes in biotechnology; bioremediation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Following a very successful first run, we are pleased to announce the launch of a second edition of the Special Issue Recent Advances in Laccases and Laccase-Based Bioproducts.

In recent years, there has been unprecedented expansion in our knowledge and use of enzymes across wide range of basic research and industrial applications. Laccases (E.C. 1.10.3.2) are among the most important lignolytic oxidoreductases, capable of oxidizing both phenolic and non-phenolic compounds and highly recalcitrant environmental xenobiotics. This allows them to be used in a variety of biotechnological applications. These enzymes are ubiquitous in nature, serving important protective functions in aerobic organisms from almost all kingdoms. Since their discovery 140 years ago, laccase and products of reactions catalyzed by it have been comprehensively studied, providing innovative solutions for industry, medicine and bioproducts.

This Special Issue will cover all aspects of laccase and laccase-based reactions with importance in the field of modern biotechnology and medicine, highlighting possible areas for development. Research and reviews that improve our understanding of laccases functioning in living organisms, biotechnological applications and laccase-based bioproducts, especially using “-omics” techniques and molecular methods, are highly welcome.

We look forward to receiving your contributions.

Prof. Dr. Grzegorz Janusz
Dr. Anna Pawlik
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Biomolecules is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • laccase
  • application
  • heterologous expression
  • bioproducts
  • laccase engineering

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Published Papers (1 paper)

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Research

19 pages, 3290 KB  
Article
From Corncob By-Product to Functional Lignins: Comparative Analysis of Alkaline and Organosolv Extraction Followed by Laccase Treatment
by Elise Martin, Swarnima Agnihotri, Fabrice Audonnet, Eric Record, Pascal Dubessay, Mohammad J. Taherzadeh and Philippe Michaud
Biomolecules 2025, 15(9), 1226; https://doi.org/10.3390/biom15091226 - 26 Aug 2025
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Abstract
Corncobs, produced globally at over 200 million tons annually with 11–18% lignin content, represent an abundant and underexploited lignocellulosic resource for sustainable lignin valorization. In this study, two distinct extraction methodologies, alkaline treatment using sodium hydroxide and an organosolv process with a 50:50 [...] Read more.
Corncobs, produced globally at over 200 million tons annually with 11–18% lignin content, represent an abundant and underexploited lignocellulosic resource for sustainable lignin valorization. In this study, two distinct extraction methodologies, alkaline treatment using sodium hydroxide and an organosolv process with a 50:50 ethanol/water mixture, were systematically compared for their efficiency in isolating lignin from corncobs. Both protocols achieved high yields, up to 82% for alkaline and 84% for organosolv extraction under optimized conditions. The resulting lignins displayed notable differences in chemical structure and physical properties, as revealed by spectroscopic and thermal analyses, highlighting their divergent potential for downstream applications. To evaluate the suitability of these lignins to biocatalytic upgrading, post-extraction enzymatic treatment was performed using Pycnoporus cinnabarinus laccase (EC 1.10.3.2). Significant structural modifications were observed in alkaline-extracted lignin, as determined by FTIR spectroscopy, while organosolv lignin remained largely unaltered, a difference attributed to its lower aqueous solubility at the enzyme’s optimal pH. These results demonstrate the critical impact of extraction conditions on lignin reactivity and suitability for enzymatic tailoring. This work underscores the potential for holistic corncob valorization within integrated biorefinery frameworks. Selective extraction and targeted enzymatic modification not only facilitate efficient by-product utilization but also expand the prospects for producing versatile bio-based materials, thereby advancing the transition toward a sustainable, circular bioeconomy. Full article
(This article belongs to the Special Issue Recent Advances in Laccases and Laccase-Based Bioproducts: 2nd Edition)
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