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Open research questions in Enzyme Production and Characterization

81 gap statements mined from Enzyme Production and Characterization papers in our 4.5M-paper local library, which holds 675 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.

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What the literature leaves open

  • The genetic diversity within K. marxianus is complex and underexplored. The annotation of gene function requires experimental validation. The study of pangenomics is challenging due to the large number of genes and gene families involved.

    Genomic and Pangenomic Analysis of Kluyveromyces Marxianus SHY2, a Novel Strain with High Proteolytic Potential · 2026 · DOI

  • Further studies can compare the results with other screening methods. The use of bile esculin agar can be explored for other biotechnological applications.

    Bile Esculin Agar as a Screening Medium for Detecting β-Glucosidase Activity in Fungi Isolated from Fruit Waste Dump Sites · 2026 · DOI

  • Conventional screening methods for β-glucosidase activity have limitations. There is a need for alternative screening methods that are simple and effective.

    Bile Esculin Agar as a Screening Medium for Detecting β-Glucosidase Activity in Fungi Isolated from Fruit Waste Dump Sites · 2026 · DOI

  • Further studies could investigate the scalability of the enzyme production process. Further studies could examine the stability of the enzyme over time. Further studies could also investigate the use of amylase in other industries.

    Production and characterization of acidic amylase from Bacillus species for industrial applications · 2026 · DOI

  • There is a need for the production and characterization of acidic amylase from Bacillus species for industrial applications. There is a lack of understanding of the effect of temperature, pH, and metal ions on enzyme activity.

    Production and characterization of acidic amylase from Bacillus species for industrial applications · 2026 · DOI

  • Need for sustainable and nutritious alternative protein sources.

    Kukci kao alternativni izvor proteina u hranidbi peradi · 2026 · DOI

  • The need for correction of a previous article on the biotechnological properties of Bacillus amylolyquefaciens B65. The lack of accurate information on the proteolytic activity of the strain in different culture conditions.

    Correction: Biotechnological properties of Bacillus amylolyquefaciensBacillus amylolyquefaciens B65 isolated from an artisanal tannery · 2026 · DOI

  • The mycomembrane of mycobacteria, which is composed primarily of long-chain mycolic acids, is critical for cell survival, structural integrity, and resistance to environmental stress; however, its underlying synthesis mechanisms remain incompletely understood.

    ag85A loss promotes free mycolate accumulation and sensitizes plasma membrane domain to disruption · 2026 · DOI

  • Future research should focus on the use of Bacillus-derived enzymes in various industrial applications. Future research should evaluate the stability of pectinase powders obtained during storage at different temperatures and humidity levels. Future research should investigate the use of genomic insights to identify candidate loci associated with pectin degradation in other microorganisms.

    Scalable production of pectinases from Bacillus licheniformis SMIA-2 using agro-Industrial by-products with genomic insights · 2026 · DOI

  • The need for novel probiotics and antimicrobial agents. The potential of endophytic bacteria as a source of beneficial microorganisms. The lack of studies on the probiotic and antimicrobial potential of B. subtilis UzMU25.

    Probiotic and Antimicrobial Potential of Endophytic B. subtilis UzMU25 Isolated from Inula helenium · 2026 · DOI

  • At the same time, the potential risks of long-term use of nattokinase (such as bleeding tendency and liver burden) lack data support, especially regarding research on the interaction with existing lipid-lowering drugs, which limits its clinical application.

    Research Progress of Nattokinase in Reducing Blood Lipid · 2025 · DOI

  • Cancer is a complex disease with multiple types and stages. The current anticancer drugs have harmful side effects. There is a need to identify new bioactive components with anticancer properties.

    An evaluation of Sargassum cinctum anticancer properties utilizing in vitro testing and molecular docking, with assistance from GC-HRMS and FTIR · 2024 · DOI

  • No research has been published on the potential chemical components of Sargassum cinctum. There is a need to identify new bioactive components with anticancer properties.

    An evaluation of Sargassum cinctum anticancer properties utilizing in vitro testing and molecular docking, with assistance from GC-HRMS and FTIR · 2024 · DOI

  • The absence of studies focused on modifying residues within the active site region of nattokinase to enhance its catalytic properties. The lack of effective methods to improve the thermostability of nattokinase.

    Modification of the active centre of nattokinase to enhance its thermostability using a strategy based on molecular dynamics simulation, steered dynamics simulation, and conservative prediction · 2024 · DOI

  • The potential of lumbrokinase as an anti-cancer treatment is not well understood. The molecular mechanisms of lumbrokinase in suppressing tumor angiogenesis and chemoresistance development in NSCLC are not clear.

    Lumbrokinase Extracted from Earthworms Synergizes with Bevacizumab and Chemotherapeutics in Treating Non-Small Cell Lung Cancer by Targeted Inactivation of BPTF/VEGF and NF-κB/COX-2 Signaling · 2024 · DOI

  • This topic has not been explored to date, and the present study was designed to investigate the possibilities of utilization of reconstituted whey powder (RWP) and microbial transglutaminase (MTG) in ayran production.

    Utilization of Reconstituted Whey Powder and Microbial Transglutaminase in Ayran (Drinking Yogurt) Production · 2022 · DOI

  • Very little is known today about the mechanism of action of amylases. The structural secrets of amylases are only just beginning to be understood through x-ray crystallography.

    The remarkable amylases · 1985 · DOI

  • The purpose of this review was to provide a comprehensive overview of microbial inulinases, multifunctional enzymes that hydrolyze inulin to produce prebiotic compounds, particularly fructo-oligosaccharides, which may contribute to dietary strategies aimed at supporting metabolic and nutritional health through modulation of the gut microbiota.

    Microbial Inulinases: Characterization, Properties, and Potential Contribution to Metabolic and Nutritional Health · 2026 · DOI

  • Glycoside hydrolase family 71 (GH71) includes α-1,3-glucan degrading enzymes which could be exploited for biotechnological applications; however, the family is presently poorly understood.

    Structural and biochemical basis for activity of Aspergillus nidulans α-1,3-glucanases from glycoside hydrolase family 71 · 2025 · DOI

  • The study identifies a gap in the use of Bacillus-derived enzymes in various industrial applications. The study identifies a gap in the production of scalable and alkaline-tolerant enzyme platforms. The study identifies a gap in the evaluation of the stability of pectinase powders obtained during storage.

    Scalable production of pectinases from Bacillus licheniformis SMIA-2 using agro-Industrial by-products with genomic insights · 2026 · DOI

  • Further characterization of the enzymes' properties and potential applications. Optimization of enzyme production conditions. Exploration of other microbial sources for hydrolytic enzymes.

    Detection of Industrially Important Hydrolytic Enzymes from the Indigenously Isolated Strains of Bacillus Licheniformis · 2026 · DOI

  • Investigation of the genetic basis of reduced susceptibility to vancomycin, - Investigation of the potential transferability of reduced susceptibility to vancomycin, - Further studies on the applications of B.

    Probiotic and Antimicrobial Potential of Endophytic B. subtilis UzMU25 Isolated from Inula helenium · 2026 · DOI

  • This review hosts a rich yet understudied reservoir of consolidates current insights into the diversity, ecological niches, and biotechnological relevance of thermophilic bacteria isolated from the region. Dominant genera such as Bacillus, Geobacillus, Thermus, Anoxybacillus, and Brevibacillus exhibit remarkable physiological and molecular strategies that enable survival under intense thermal, saline, and pH stress.

    Thermophilic bacteria of the Arabian Gulf and their emerging biotechnological applications: current insights and future prospects · 2026 · DOI

  • Further studies on the relationship between changes in the conformation of the enzyme active centre and its stability, - Investigation of the potential applications of the mutant A216K in industrial…

    Modification of the active centre of nattokinase to enhance its thermostability using a strategy based on molecular dynamics simulation, steered dynamics simulation, and conservative prediction · 2024 · DOI

  • The study does not provide information on the long-term effects of lumbrokinase treatment, - The study does not provide information on the potential side effects of lumbrokinase treatment, - The study is limited to in vitro and in vivo…

    Lumbrokinase Extracted from Earthworms Synergizes with Bevacizumab and Chemotherapeutics in Treating Non-Small Cell Lung Cancer by Targeted Inactivation of BPTF/VEGF and NF-κB/COX-2 Signaling · 2024 · DOI

Most-cited papers in Enzyme Production and Characterization

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Open questions raised by papers listed on this page include: (1) There is a need for alternative screening methods that are simple and effective (“Bile Esculin Agar as a Screening Medium for Detecting β-Glucosidase Activity in…”, 2026); (2) Further studies could investigate the scalability of the enzyme production process (“Production and characterization of acidic amylase from Bacillus species for…”, 2026); (3) The lack of accurate information on the proteolytic activity of the strain in different culture conditions (“Correction: Biotechnological properties of Bacillus amylolyquefaciensBacillus…”, 2026); (4) Future research should focus on the use of Bacillus-derived enzymes in various industrial applications (“Scalable production of pectinases from Bacillus licheniformis SMIA-2 using…”, 2026); (5) The lack of studies on the probiotic and antimicrobial potential of B. subtilis UzMU25 (“Probiotic and Antimicrobial Potential of Endophytic B. subtilis UzMU25 Isolated…”, 2026). 81 gap statements have been mined from Enzyme Production and Characterization papers in our 4.5M-paper local library, which holds 675 papers on the topic; the gaps come from whichever of those papers state one. They are mostly the research gaps the authors state and the papers' abstracts, plus future-work, limitations and challenges passages. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one, so you can read the original claim in context.

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