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Production of geraniol and geranic acid: High value compounds of citral biosynthetic pathway from lemongrass oil using Aspergillus niger AUD-C2 as catalyst Biocatal. Biotransform. (IF 1.8) Pub Date : 2024-02-05 Diksha Koul, Ravi Singh Manhas, Asha Chaubey
Microbial biotransformation of lemongrass oil to geraniol and geranic acid, high value compounds of citral biosynthetic pathway has been reported. Biotransformation studies were carried out using a...
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Enzymatic synthesis of tyrosol esters in organic solvents and ionic liquids: Correlation between enzyme activity and solvent properties Biocatal. Biotransform. (IF 1.8) Pub Date : 2024-02-05 Kang-Hong Wang, Shuangfei Li, Ying-Fen Meng, Yong Zou, Guo-Bin Liang, Cheng Yang, Zhen Yang
Tyrosol is a principle phenolic compound present in olive oil and wine with great pharmacological potentials due to its strong antioxidant property. Its application can be highly extended by increa...
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An overview on preparation of enzymes for industrial use Biocatal. Biotransform. (IF 1.8) Pub Date : 2024-02-01 S. Shakilanishi, C. Shanthi
Enzymes are specialized proteins that act as catalysts, facilitating chemical reactions by either building up or breaking down molecules in all living organisms. They are distinguished by their spe...
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Cross-linked enzyme aggregates of xylanase, XynR8(N58D), for effective degradation of untreated lignocellulosic biomass Biocatal. Biotransform. (IF 1.8) Pub Date : 2024-01-29 Hsueh-Ling Cheng, Wei-Ting Hsu, Yu-Han Su, Yuan-Jia Lee, Huynh Nhu Tangthi, Chien-Ting Wu, Lin-Lee Lee
Enzymatic degradation of biomass is preferred over chemical methods for environmental protection. However, in most cases, a chemical pretreatment is still required to help improve enzyme accessibil...
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Bioprospecting fruit waste to purify invertase for low calorie food products Biocatal. Biotransform. (IF 1.8) Pub Date : 2024-01-01 Kavita Rana, Neerja Rana, Sunita Devi, Nilakshi Chauhan
EkINV and BsINV are two invertases from Enterobacter kobei and Bacillus subtillis, respectively. The two enzymes were produced extracellularly at pH 3.0 and former at 45 °C while latter at 25 °C. T...
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Screening of a novel and thermostable nicotinate dehydrogenase-producing strain Bacillus paramycoides for efficient synthesis of 6-hydroxynicotinic acid Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-12-03 Zhi Chen, Zhaohe Dong, Xin Ju, Lishi Yan, Liangzhi Li, Donzhi Wei
6-Hydroxynicotinic acid emerged as a pivotal intermediate for fine chemicals. The current study aims to screen novel nicotinate dehydrogenase-producing strains. Based on the high-throughput UV colo...
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Biocatalyst coupling with Mo-doped SnO2 nanoparticles for efficient photocatalytic dye degradation: An eco-friendly approach for environmental remediation Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-12-03 R. Shalini, K. Ravichandran, P. Kavitha, P. K. Praseetha, R. Mohan, P. Ravikumar
Specifically, biocatalyst coupled semiconductor photocatalysts have great potential towards the eco-friendly decomposition of toxic organic dyes that contaminate water bodies. This study reports th...
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The song remains the same. The lab bench dilemma of using shaken flasks in microbial biotransformation experiments Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-11-24 Nicoly Subtil de Oliveira, Gabriel Pereira Lopes da Silva, Orozimbo Furlan, Lorena Carolina Peña, Luiz Fernando Bianchini, Nipuna Parahitiyawa, Edvaldo Antonio Ribeiro Rosa
Microbial biotransformation is valuable for obtaining pharmaceutical, nutritional, and cosmetical potential molecules. Basically, for its realization, only a parental molecule, a microorganism, and...
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Enzymatic approach to the synthesis of chiral intermediate of Rodatristat ethyl Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-11-16 Deepthi Pulivarthi, Rakesh Goparaju, Ravinder Reddy Patlolla, Vinaykumar Allam, Anjali Priya Naik Kethavath, Linga Banoth, Subba Reddy BV
Ketoreductases are widely explored for the reduction of prochiral ketones for the preparation of chiral alcohols. Though, the chiral Ir(III) catalyst has been used for the asymmetric reduction of k...
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Calcium alginate-immobilized β-glucosidase from Moniliophthora perniciosa: characterization and sugarcane bagasse hydrolysis Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-11-10 Larissa Emanuelle da Silva Almeida, Sandra Aparecida de Assis
The utilization of lignocellulosic materials for second-generation ethanol production via enzymatic catalysts is primarily hindered by enzyme cost. Enzymatic immobilization emerges as a viable solu...
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A design of experiment approach for optimized production of encapsulated trypsin using nano spray drying: Comparative physicochemical and kinetic characterization Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-11-01 Heidi Mohamed Abdel-Mageed, Shahinaze A. Fouad, Dina Nada, Rana R. Makar, Mahmoud H. Teaima, Nesrine Abdelrehim EL Gohary, Nermeen Z. AbuelEzz
Enzymes are challenging to formulate due to their inherent instability, particularly in solution. This study aims to use the design of experiment (DOE) approach to develop spray-dried encapsulated ...
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Efficient biotransformations in Cunninghamella elegans and Streptomyces sp. JCM9888 of selectively fluorinated benzoic acids to the corresponding benzamides and benzyl alcohols Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-10-12 Oluwayinka O. Oke, Yawen Chen, Chukwuemeka Isanbor, Olayinka T. Asekun, David O’Hagan
An efficient conversion of ortho, meta and para fluoro- and trifluoromethyl-substituted benzoic acids to the corresponding benzamides in fermentations of the soil bacterium Streptomyces sp. JCM9888...
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Zinc hydroxide salts as new supports for the immobilization of Pseudomonas cepacia lipase Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-10-05 Glauco Silva Dias, David Alexander Mitchell, Fernando Wypych, Nadia Krieger
Layered double hydroxides (LDHs) are brucite-like nanomaterials that have been used to immobilize several enzymes. However, layered hydroxide salts (LHSs), another group of brucite-like nanomateria...
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Characterization and biodegradation of paracetamol by Bacillus pumilus strain PYP2 Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-10-02 Sunil Chopra, Dharmender Kumar
As we know the recent pandemic, coronavirus disease (COVID-19) due to SARS CoV-2 virus has led to an increase in the consumption of various drugs as medicines by the patients. Paracetamol (acetamin...
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Recovery of antioxidative phenolic compounds by the valorization of rice biomass under the influence of lignocellulolytic enzymes Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-09-25 Kumar Shankar, R. V. Beladhadi, S. K. Jayalakshmi, Kuruba Sreeramulu
The present work aimed to optimize the recovery of antioxidative phenolic compounds from steam treated and untreated rice biomass (rice bran and rice straw) by the influence of lignocellulolytic en...
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Covalent immobilization of recombinant L-asparaginase from Geobacillus kaustophilus on ReliZyme supports for mitigation of acrylamide Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-09-15 F. İnci Özdemir, Burcu Karaaslan, Ahmet Tülek, Deniz Yildirim
Abstract In this study, a new recombinant L-asparaginase from Geobacillus kaustophilus was covalently immobilized on ReliZyme EA403 (Relizyme/EA@GkASNase) and ReliZyme HA403 (Relizyme/HA@GkASNase) supports, and the free and immobilized L-asparaginases were used for their acrylamide mitigation performances in a food model system. The immobilization was confirmed by fourier-transform infrared spectroscopy
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Enhancing lipases reactivity in benzylic acetates hydrolysis: impact of kosmotropic salts under non-conventional conditions Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-09-13 Nabila Braia, Farida Larit, Mounia Merabet-Khelassi
Abstract The effect of four kosmotropic salts additives, namely Na2CO3, Na2SO4, Na2HPO4, and NaCl, on the reactivity and selectivity of immobilized Candida antarctica lipase B (CAL-B) and a free lipase of Pseudomonas cepacia (PCL) during the hydrolysis of rac-4-(1-methoxyphenyl) ethyl and rac − 1-phenyl ethyl acetates (1a-2a) was investigated in this study. The study was carried out in two different
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Immobilization of fungal α-galactosidase on magnetic nanoparticles and hydrolysis of raffinose family oligosaccharides (RFO) in soymilk Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-08-24 Purvi Bangoria, Sunil Chaki, Amita R. Shah
Abstract Immobilization of enzymes is a very attractive technique to develop efficient and cost-effective bioprocesses. In present investigation, immobilization of partially purified α-galactosidase from Penicillium aculeatum APS1 (APS1αgal) was carried out on chitosan coated magnetic nanoparticles, Fe3O4. Immobilization conditions such as enzyme concentration, amount of chitosan coated magnetic nanoparticles
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Hexavalent chromium detoxification by haloalkaliphilic Nesterenkonia sp strain NRC-Y immobilized in different matrices Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-08-23 Dina A. Maany, Marwa I. Wahba, Mohamed Abo-Alkasem, Mostafa A. El-Abd, Abdelnasser S. S. Ibrahim
Abstract To develop a bioprocess for Cr(VI) detoxification in industrial effluents, a previously isolated potent Cr(VI) reducing haloalkaliphilic Nesterenkonia sp strain NRC-Y was immobilized and investigated for Cr(VI) detoxification. The immobilization matrices included; natural, modified natural, synthetic, and mixtures of natural and synthetic polymers. Among the tested matrices and immobilization
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Isolation and screening of keratinolytic bacteria from feather dumping soil near in Lucknow and Kanpur city, North region of Indian Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-08-02 Latafat, Mohammed Haris Siddiqui, Ashish, Archana Vimal, Prachi Bhargava
Keratinases are proteolytic enzymes that have the capability of degrading insoluble keratin substrates. LS4, LS5, and KS3 were newly isolated strains showing ability to hydrolyze keratins and kerat...
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Identification and characterization of a novel thermostable transaminase (TATP) from Thermorudis peleae Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-08-01 Xiao Li, Ping Gui, Ruolin Yang, Zelin Lu, Xuefeng Wang, Chengkun Luo, Jingjie Jiang, Fuqiang Ma
Abstract ω-Transaminases (ω-TAs) are significant candidate enzymes in the biosynthesis of chiral amines for the pharmaceutical and chemical industries. Novel thermostable ω-TAs for potential use in these industries can be discovered using homologous sequence alignment. In this study, we used well-studied B3-TA from hot spring metagenomes, the Sbv333-TA from Streptomyces sp., and TATR from Thermomicrobium
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Thermostable alkaline protease from Scytalidium thermophilum: production, purification, and biochemical characterization Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-07-15 Yonca Yuzugullu Karakus, Gulen Sinem Inci, Elif Kale Bakir, Bektore Mansurov
Abstract An extracellular alkaline protease from Scytalidium thermophilum was produced in a glucose-containing medium supplemented with 5 mM NaCl for 3 days at pH 8.0 and 45 °C. The enzyme was 10-fold purified using ammonium sulfate precipitation followed by ion-exchange chromatography, and its molecular weight was calculated as 80 kDa from SDS-PAGE. The enzyme exhibited optimum activity at pH 8.0
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A review on preparation and applications of glycerol carbonate: Focus biocatalysis Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-07-06 Sanjib Kumar Karmee
Abstract Glycerol is a by-product of the biodiesel production processes. It is a potential polyol employed for the preparation of glycerol carbonate. Enzymatic methods for glycerol carbonate syntheses are important since biocatalysts are selective, operate under mild conditions and can be reused. Biocatalytic synthesis of glycerol carbonate is not reviewed thus far even though biocatalysis is an indispensable
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Enhanced biodegradation of crude oil contamination by indigenous bacterial consortium under real conditions Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-07-06 Mustafa Ozkan Baltaci, Mehmet Akif Omeroglu, Hakan Ozkan, Mesut Taskin, Ahmet Adiguzel
This study was performed to evaluate the efficiency of using locally isolated bacteria to degrade crude oil in sea water-based medium. The bacteria were isolated from water samples taken from diffe...
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Improving hydrogen peroxide stability of a dye-decolorising peroxidase from Irpex lacteus F17 by site-directed mutagenesis Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-07-04 Wenhan Huang, Jingjing He, Liuqing Li, Rong Jia
Abstract Il-DyP4, a dye-decolorizing peroxidase (DyP) from Irpex lacteus F17, has a strong ability to oxidise harmful aromatic compounds, implying application potential in the field of environmental protection. However, the low H2O2 stability of Il-DyP4 hinders its practical application. To improve the H2O2 stability of Il-DyP4, oxidation-sensitive amino acids including three Met, one Cys and ten Tyr
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Tyrosinase from the peels of Musa cavendish: purification, characterization, immobilization and application in phenol biodegradation Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-06-14 M. M. Adeyanju, A. N. Ademakinwa
Abstract Tyrosinase is an enzyme implicated in fruit ripening and the browning of plant parts exposed to mechanical injury. Tyrosinase has numerous reported biotechnological importance. This enzyme was extracted from the waste peels of Musa cavendish, purified via aqueous two-phase partitioning system (ATPS) and QAE-Sephadex ion-exchange chromatography. The purified tyrosinase was biochemically characterized
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Chitinase: a potent biocatalyst and its diverse applications Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-06-02 Gaytri Mahajan, Vibhuti Sharma, Reena Gupta
Chitin is an abundant, linear, insoluble β-1, 4-linked N-acetylglucosamine polymer (GlcNAc), found in the cuticles of insects, the cell walls of fungi and crustacean shells. Chitinases are hydrolyt...
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Modification of the properties of the metagenomic lipase LipC12 by engineering of the hydrophobic cavity Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-05-05 Marcos Rodrigues Maldonado, Robson Carlos Alnoch, Gabriela Yumi Yamamoto Shiratori, Cynthia Christina de Oliveira, Marcos Brown Gonçalves, David Alexander Mitchell, Nadia Krieger
Abstract Kinetic resolution of racemates with lipases is the preferred method for producing bioactive compounds. One strategy for obtaining highly enantioselective lipases that are stable in the organic media that are often used in these reactions is to improve existing lipases by protein engineering. In this work, we engineered the lipase LipC12, which has good stability in organic media, but only
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Increased trypsin resilience in aqueous-acetonitrile environment when immobilized on glyoxyl-agarose may improve its applicability Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-04-19 João Pedro Miguez, Ana Elisa Almeida Sousa, Olga Luisa Tavano
Abstract Although trypsin is a protease naturally applicable in many processes, it is still possible to increase its efficiency and forms of use. Processes that increase their resilience to different conditions in the reaction medium can expand and/or refine their range of applications. Its performance in the presence of organic solvents, such as acetonitrile (ACN), has been indicated as a promising
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Recent developments in biohydrogen production from wastewater: A review Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-04-10 Chhotu Ram, Pushpa Rani, Amit Kumar
Fast depleting fossil fuel and its associated negative impacts on environment and climate change raising concern over clean fuel and sustainability. Thus, in line scientific community are thinking ...
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Production, characterization, and application of a new chymotrypsin-like protease from Pycnoporus sanguineus Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-04-05 Alexsandra Nascimento Ferreira, Antônio Thomás Da Silva, Josiel Santos do Nascimento, Cledson Barros de Souza, Monizy da Costa Silva, Luciano Aparecido Meireles Grillo, José Maria Rodrigues da Luz, Hugo Juarez Vieira Pereira
Abstract Proteases are the most commercialized enzymes and are widely used in industrial processes, especially in the dairy industry. Cheese production is increasing disproportionately to the availability of calf rennet, the main coagulant used in this process. In addition to the cost of rennet, there is also a religious and dietary objection to the use of calf proteases. An alternative is the production
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Hemoglobin-inorganic hybrid nanoflowers: Synthesis and applications for carbene N–H insertion reaction Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-04-05 Shan Liang, Fengxi Li, Chunyu Wang, Chuang Du, Zhi Wang, Lei Wang
Abstract Hemoglobin (Hb) is a hemoprotein containing iron porphyrin, which can catalyse a variety of unnatural reactions. Due to its poor reusability and stability, in this study, we developed a new method to prepare Hb-Cu3(PO4)2 hybrid nanoflowers (HNFs) by co-incubating Hb with Cu2+. This immobilized Hb was used to catalyse the synthesis of ethyl N-phenylglycinate via the carbene N–H insertion reaction
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Lactobionic acid production via mutant cellobiose dehydrogenase/laccase continuous enzymatic regeneration of electron acceptors Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-04-05 Reyadh Gomah Amar Elgahwash, Marija Blažić, Ana Marija Balaž, Radivoje Prodanović
Abstract Lactobionic acid (LBA) has diverse number of applications in pharmaceutical, food, chemical and nanotechnology fields. Bioproduction of LBA by bi-enzymatic cellobiose dehydrogenase (CDH)/laccase (LAC) is a system where CDH catalyses oxidation of lactose to LBA, whilst LAC has, at the same time, ability to regenerate the redox mediator as electron acceptor for CDH. In this study, CDH mutants
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Novozyme-435: perfect catalyst for chemo- and regio-selective synthesis of modified carbohydrates – a review Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-03-24 Rajesh Kumar, Vipin K. Maikhuri, Divya Mathur, Manish Kumar, Neetu Singh, Ashok K. Prasad
Carbohydrates and their analogues play a unique role in all living organisms and therefore have played a supremacy role in molecular recognition, energy supply, drug discovery, etc. During the last...
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Synthesis and substrate-controlled modification of β-aminocarbonyl using α-amylase enzyme and Pd-catalyst in one-pot Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-03-22 Sunil Dutt, Vikas Tyagi
The area of combining an enzyme and transition metals to catalyse the sequence of reactions in one-pot which improve total conversion and operational stability has seen tremendous growth in recent ...
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Co-catalysis of melanin degradation by laccase-manganese peroxidase complex from Trametes hirsuta OK271075 for application in whitening cosmetics Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-03-15 Dini Nadhilah, Ade Andriani, Eva Agustriana, Isa Nuryana, Nisa Rachmania Mubarik, Kartika Sari Dewi, Nanik Rahmani, Dede Heri Yuli Yanto, Maya Ismayati, Urip Perwitasari, Fina Amreta Laksmi, Hans Wijaya
Melanins are a complex natural pigment that darken the skin, a phenomenon regarded as an esthetic problem in tropical countries such as Indonesia. Melanin can be degraded by various oxidative enzym...
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Pseudomonas cepacia lipase immobilized on Zn2Al layered double hydroxides: Evaluation of different methods of immobilization for the kinetic resolution of (R,S)-1-phenylethanol Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-02-27 Lilian Fernanda Martins do Amaral, Cristiane Pilissão, Nadia Krieger, Fernando Wypych
The present work deals with the preparation and characterization of Zn2Al layered double hydroxides (LDHs) intercalated with chloride and dodecyl sulfate ions and their use as supports for the immo...
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Salidroside synthesis via glycosylation by β-D-glucosidase immobilized on chitosan microspheres in deep eutectic solvents Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-02-16 Jue Chen, Qibin Cheng, Qianqian Ma, Yuqi Wu, Liwei Zhang
This study aimed to establish a novel method for catalysing salidroside synthesis by immobilized β-D-glucosidase with deep eutectic solvents (DESs) as a new green non-aqueous medium. To this end, t...
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Biotransformation of D-limonene to carveol by an endophytic fungus Aspergillus flavus IIIMF4012 Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-02-14 Nargis Ayoub Bhat, Ananta Ganjoo, Nitika Sharma, Bashir Ahmad Lone, Haseena Shafeeq, Hema Kumari, Sumeet Gairola, Vikash Babu
Microbial biotransformation is an efficient process for making high-value natural products in a controlled and environment friendly manner. Bioconversion of low value monoterpenes to high value pro...
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Chicken tallow, a low-cost feedstock for the two-step lipase-catalysed synthesis of biolubricant Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-02-08 Hasibul Islam, Tasneem Gufrana, Shivani Khare, Ankita Pandey, P. Radha
Biolubricants are oleochemical esters that are non-toxic to the environment, and they are preferred because of their high-performance activities in various automobile and industrial fields. In this...
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Immobilization of Trametes trogii laccase on polyvinylpyrrolidone-coated magnetic nanoparticles for biocatalytic degradation of textile dyes Biocatal. Biotransform. (IF 1.8) Pub Date : 2023-02-08 Büşra Bakar, Emre Birhanlı, Ahmet Ulu, Filiz Boran, Özfer Yeşilada, Burhan Ateş
High cost and low operational stability are the most important challenges limiting the possible use of laccase in the removal of textile dyes. To overcome these challenges, in this study, polyvinyl...
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Microbial conversion of pregnenolone by some filamentous fungi Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-11-25 Ali Kuru, Kudret Yildirim
In this work, biotransformations of pregnenolone 1 by Ulocladium chartarum MRC 72584, Cladosporium sphaerospermum MRC 70266 and Cladosporium cladosporioides MRC 70282 have been reported. U. chartar...
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Microbial transformation of Knoevenagel adducts by whole cells of Brazilian marine-derived fungi: A green approach to remove organic compounds from the aqueous medium Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-11-23 Lucas Lima Zanin, Thayane Melo de Queiroz, André Luiz Meleiro Porto
Herein, we report the use of whole cells of Brazilian marine-derived fungi in the biotransformation and biodegradation of organic compounds, particularly, Knoevenagel adducts. A preliminary screeni...
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A novel hybrid biocatalyst from immobilized Eversa® Transform 2.0 lipase and its application in biolubricant synthesis Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-11-11 Isamayra Germano de Sousa, Anderson Valério Chaves, André Luiz Barros de Oliveira, Katerine da Silva Moreira, Paulo Gonçalves de Sousa Junior, Francisco Simão Neto, Simone Cristina Freitas de Carvalho, Roberta Bussons Rodrigues Valério, Gledson Vieira Lima, Ada Amélia Sanders Lopes, Maria Cristiane Martins de Souza, Aluísio Marques da Fonseca, Pierre Basílio Almeida Fechine, Marcos Carlos de Mattos
In this study, a Taguchi experimental design was used for optimzing the immobilization of the lipase Eversa® Transform 2.0 (EVS) onto a hybrid support consisting of chitosan (CHI) and agarose (AGA)...
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Laccase-catalysed azide-alkyne cycloadditions: Synthesis of benzothiazole and benzimidazole fused 1,2,3-triazole derivatives by copper containing oxidoreductase enzymes Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-11-08 Mudzuli M. Maphupha, Adela Vidov, Charles B. de Koning, Dean Brady
A new approach for synthesizing triazole rings through the application of laccases, copper containing oxidoreductase enzymes is outlined. A series of benzothiazoles and benzimidazoles-functionalize...
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Enzymatic degradation and metabolic pathway of acid blue 129 dye by crude laccase from newly isolated Trametes hirsuta EDN 082 Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-11-02 Dede Heri Yuli Yanto, Sita Heris Anita, Nissa Nurfajrin Solihat
Crude laccase from Trametes hirsuta EDN 082 was used in this study for the decolorization of anthraquinone and azo dyes. Characterization of degradation products from one selected dye, Acid Blue 12...
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Talaromyces purpurogenus MRS-F13 catalyzed biotransformation of (-)-verbenone to (-)-10-hydroxyverbenone and their anti-inflammatory activity profile Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-10-31 Ravi S. Manhas, Diksha Koul, Parveen Kumar, Amit Kumar, Asha Bhagat, Sreedhar Madishetti, Payare L. Sangwan, Zabeer Ahmed, Asha Chaubey
Verbenone is a natural monoterpene present as an essential component in rosemary oil from Rosmarinus officinalis, Verbena triphylla and Eucalyptus globule. Microbial biotransformation of monoterpen...
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Discussing the roles of proline and glycine from the perspective of cold adaptation in lipases and cellulases Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-10-21 Ahmet Melih Öten, Evren Atak, Banu Taktak Karaca, Sinem Fırtına, Aslı Kutlu
Abstract Lipases and cellulases have been extensively used in the field of biotechnology for varied purposes. Mainly, the ongoing researches focus on the improvements of kinetic and enzymatic characteristics of enzymes to meet industrial needs. With the discovery of psychrophilic cellulase and lipase sources, a new era has opened for protein research by allowing the discovery of novel functions together
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The Tannase from red yeast Rhodotorula glutinis: purification and characterization Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-10-19 Chong-Boon Ong, Darah Ibrahim, Mohd Jain Noordin Mohd Kassim
The tannase enzyme was successfully purified to homogeneity from the culture broth of red yeast strain Rhodotorula glutinis DB2 in a three-tandem step involving ultrafiltration (5 kDa and 100 kDa s...
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Research progress and biotechnological applications of feruloyl esterases Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-09-12 Xuejun Liu, Yi Jiang, Hongling Liu, Haibo Yuan, Di Huang, Tengfei Wang
Plant biomass is a kind of renewable, abundant, eco-friendly, and clean natural resource. Recent increase in industrial demand, coupled with development and utilization of biocatalysts for utilizat...
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The effect of natural deep eutectic solvents on laccase activity and oligomerization of rutin Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-09-08 Ayşe Ezgi Ünlü, Brinda Prasad, Kishan Anavekar, Paul Bubenheim, Andreas Liese
Abstract Natural deep eutectic solvents (NADESs) were investigated for the activity and stability of the laccase enzyme. Laccase was found to be active only in a low amount of choline chloride containing NADESs while it maintained its activity both in high and low amounts of betaine containing NADESs. Rutin, as a flavonoid monomer shows high antioxidant, antibacterial, antiviral and anti-inflammatory
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Sulphoxidation reactions catalysed by the Baeyer-Villiger monooxygenase OTEMO from Pseudomonas putida ATCC 17453 Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-08-29 Gonzalo de Gonzalo, Nikola Loncar, Marco Fraaije
The Baeyer-Villiger monooxygenase OTEMO from Pseudomonas putida ATCC 17453 has been employed as biocatalyst in the asymmetric synthesis of a set of optically active sulphoxides. Several alkyl aryl ...
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Bioremediation mediated by manganese peroxidase – An overview Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-08-25 Shilpa Saikia, Meera Yadav, Rohida Amin Hoque, Hardeo Singh Yadav
Abstract Manganese peroxidase (MnP) plays an important role in the treatment of environmental pollutants existing around us. This review article covers all its recent potential applicability in a wide range of different areas, such as textile and food industry, in alcohol production, pulp and paper industry, in biofuel, in agriculture, in cosmetic wastes and in waste water treatment. MnP plays a potential
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43-O-(β-D-glucoside)-rapamycin, a microbial conversion product by Bacillus subtilis CGMCC7764 Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-08-25 Xiao-Ming Chen, Guo-Xin Yang, Xia-Qin Chen, Dong-Wei Jin, Hui Yu, Yuan-Rong Cheng, Jie Huang
Abstract Rapamycin is a macrolide antibiotic with antifungal, immunosuppressive, antitumor, and lifespan-extension activities etc. In order to increase its structural diversity, microbial transformation of rapamycin was conducted. More than 3 converted compounds were shown in the microbial conversion culture of rapamycin by Bacillus subtilis CGMCC7764. By extensive NMR and MS spectroscopic analyses
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Biodegradation and detoxification of textile dyes using a novel bacterium Bacillus sp. AS2 for sustainable environmental cleanup Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-08-23 Anita Rani Santal, Ritu Rani, Anil Kumar, Jitendra Kumar Sharma, Nater Pal Singh
Sustainable environmental cleanup has become a widespread concept in the era of industrialization and the ever-increasing population. Due to anthropogenic activities, textile industries release a l...
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Chloroperoxidase applications in chemical synthesis of industrial relevance Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-08-09 Yogesh Bhandari, Hemlata Sajwan, Parul Pandita, Vamkudoth Koteswara Rao
Biocatalysts can accelerate the catalysis of a chemical reaction that is difficult to synthesize with typical chemical methods. The global enzyme market size is predicted to expand at a CAGR of 6.5...
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Biomass suspension catalysed the generation of various alkyl esters from acid oil and virgin cottonseed oil Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-08-04 Anirudh Sharma, Jose Savio Melo, Ranjana Prakash, N. Tejo Prakash
A substantial reduction in the cost of biodiesel production necessitates the identification of less expensive lipid-bearing substrates and a cost-effective process. The present study demonstrates t...
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Continuous-flow biocatalysed kinetic resolution of 4-fluorophenyl-furan-2-yl methanol Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-07-01 Rodrigo de Souza, Raquel Leão, Barbara Maia, Mauro Gomez
Abstract Enantiomerically pure secondary alcohols are useful in the synthesis of several natural products and as active pharmaceutical intermediates (API). Due to the high demand for these chiral compounds, much progress has been made in the areas of asymmetric synthesis and catalysis. In this context, biocatalysis together with continuous flow technology can be a valuable tool for more versatile and
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Cyanide bioremediation potential of Klebsiella oxytoca JCM 1665 rhodanese immobilized on alginate-glutaraldehyde beads Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-06-17 B. O. Itakorode, R. E. Okonji, N. Torimiro
Abstract Rhodanese, a cyanide detoxifying enzyme synthesized by Klebsiella oxytoca was immobilized on alginate-glutaraldehyde beads. K. oxytoca was isolated from industrial wastewater and identified using 16S rRNA gene sequencing with gene bank accession number MN590525. Rhodanese was produced from the bacterium through submerged fermentation. The rhodanese produced was immobilized on alginate-glutaraldehyde
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Biocatalytic synthesis of dioctyl sebacate in toluene using an immobilised lipase Biocatal. Biotransform. (IF 1.8) Pub Date : 2022-06-15 Mingxin Zhu, Shuyi Guo, Rongchen Mang, Hua Zhou
Abstract Sebacic esters have excellent lubricity, thermal stability, and biodegradability and therefore are widely used as aerospace lubricants, metal working oil, or engine oil. They are mainly produced by chemical synthesis which, however, may cause environmental pollution, its enzymatic synthesis represents a more environmentally friendly alternative. A few reports have described the synthesis of