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Meng J, Li Q, Cao Z, Gu D, Wang Y, Zhang Y, Wang Y, Yang Y, He F. Rapid screening and separation of active compounds against α-amylase from Toona sinensis by ligand fishing and high-speed counter-current chromatography. Int J Biol Macromol 2021; 174:270-277. [PMID: 33529624 DOI: 10.1016/j.ijbiomac.2021.01.195] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 01/27/2021] [Accepted: 01/28/2021] [Indexed: 01/01/2023]
Abstract
In the present study, an efficient method based on ligand fishing and high-speed counter-current chromatography (HSCCC) was established to screen, enrich and separate the active components with the α-amylase inhibitory activity from a traditional dish Toona sinensis. The active components were screened from T. sinensis by ligand fishing using the magnetic immobilized α-amylase prepared through solvothermal and crosslinking methods. HSCCC was used to separate the target compound according to the K value. As a result, a potential active compound 1,2,3,4,6-penta-O-galloyl-β-d-glucose and a non-target compound quercetin-3-O-α-L-rhamnopyranoside were separated and identified. In-vitro experiments indicated that 1,2,3,4,6-penta-O-galloyl-β-d-glucose had the activity against α-amylase and the IC50 value was 93.49 ± 0.80 μg/mL which was higher than that of the non-target compound. The result further confirmed the molecular fishing effect of magnetic immobilized α-amylase. The present study can not only find and separate the hypoglycemic substances in T. sinensis quickly and effectively, but also can provide a new approach for the study of natural active components.
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Affiliation(s)
- Jing Meng
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Qingyue Li
- School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Zengyuan Cao
- College of Marine Science and Environment, Dalian Ocean University, Dalian 116023, China
| | - Dongyu Gu
- College of Marine Science and Environment, Dalian Ocean University, Dalian 116023, China.
| | - Yunxiao Wang
- School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Yunci Zhang
- School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Yi Wang
- School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Yi Yang
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China.
| | - Fei He
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China.
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Microwave irradiation-assisted high-efficiency N-glycan release using oriented immobilization of PNGase F on magnetic particles. J Chromatogr A 2020; 1619:460934. [PMID: 32029268 DOI: 10.1016/j.chroma.2020.460934] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 01/23/2020] [Accepted: 01/28/2020] [Indexed: 11/22/2022]
Abstract
Peptide-N-glycosidase F (PNGase F) is the most frequently used enzyme to release N-glycan from glycoproteins in glycomics; however, the releasing process using PNGase F is tedious and can range in duration from hours to overnight. Recently, efforts have been made to accelerate this enzymatic reaction, and they include the use of microwave irradiation, ultrahigh pressure, enzyme immobilization, and other techniques. Here, we developed a novel method combining the oriented immobilization of PNGase F on magnetic particles and microwave-assisted enzymatic digestion techniques to achieve highly efficient release of N-glycans. The oriented immobilization of PNGase F on magnetic particles utilizes the affinity of its co-expressed His-tag towards iminodiacetic acid-Nickel modified magnetic particles. Compared with non-oriented immobilization, the oriented immobilization of PNGase F exhibits several advantages including tolerance to high temperature (52 °C) and the ability to retain strong activity after more than five reuses. When used in combination with microwave irradiation, efficient N-glycan removal from ribonuclease B was achieved within 5 min. The proposed strategy was also used to release glycan from fetuin and human serum and has proven to provide a promising deglycosylation method for the characterization of protein glycosylation.
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Wang TF, Lo HF, Chi MC, Lai KL, Lin MG, Lin LL. Affinity Immobilization of a Bacterial Prolidase onto Metal-Ion-Chelated Magnetic Nanoparticles for the Hydrolysis of Organophosphorus Compounds. Int J Mol Sci 2019; 20:E3625. [PMID: 31344929 PMCID: PMC6696040 DOI: 10.3390/ijms20153625] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 07/10/2019] [Accepted: 07/22/2019] [Indexed: 12/23/2022] Open
Abstract
In this study, silica-coated magnetic nanoparticles (SiMNPs) with isocyanatopropyltriethoxysilane as a metal-chelating ligand were prepared for the immobilization of His6-tagged Escherichia coli prolidase (His6-EcPepQ). Under one-hour coupling, the enzyme-loading capacity for the Ni2+-functionalized SiMNPs (NiNTASiMNPs) was 1.5 mg/mg support, corresponding to about 58.6% recovery of the initial activity. Native and enzyme-bound NiNTASiMNPs were subsequently characterized by transmission electron microscopy (TEM), superparamagnetic analysis, X-ray diffraction, and Fourier transform infrared (FTIR) spectroscopy. As compared to free enzyme, His6-EcPepQ@NiNTASiMNPs had significantly higher activity at 70 °C and pH ranges of 5.5 to 10, and exhibited a greater stability during a storage period of 60 days and could be recycled 20 times with approximately 80% retention of the initial activity. The immobilized enzyme was further applied in the hydrolysis of two different organophosphorus compounds, dimethyl p-nitrophenyl phosphate (methyl paraoxon) and diethyl p-nitrophenyl phosphate (ethyl paraoxon). The experimental results showed that methyl paraoxon was a preferred substrate for His6-EcPepQ and the kinetic behavior of free and immobilized enzymes towards this substance was obviously different. Taken together, the immobilization strategy surely provides an efficient means to deposit active enzymes onto NiNTASiMNPs for His6-EcPepQ-mediated biocatalysis.
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Affiliation(s)
- Tzu-Fan Wang
- Department of Applied Chemistry, National Chiayi University, 300 Syuefu Road, Chiayi City 60004, Taiwan
| | - Huei-Fen Lo
- Department of Food Science and Technology, Hungkuang University, 1018 Taiwan Boulevard, Shalu District, Taichung City 43302, Taiwan.
| | - Meng-Chun Chi
- Department of Applied Chemistry, National Chiayi University, 300 Syuefu Road, Chiayi City 60004, Taiwan
| | - Kuan-Ling Lai
- Department of Applied Chemistry, National Chiayi University, 300 Syuefu Road, Chiayi City 60004, Taiwan
- Department of Food Science and Technology, Hungkuang University, 1018 Taiwan Boulevard, Shalu District, Taichung City 43302, Taiwan
| | - Min-Guan Lin
- Institute of Molecular Biology, Academia Sinica, Nangang District, Taipei City 11529, Taiwan
| | - Long-Liu Lin
- Department of Applied Chemistry, National Chiayi University, 300 Syuefu Road, Chiayi City 60004, Taiwan.
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Efremova MV, Veselov MM, Barulin AV, Gribanovsky SL, Le-Deygen IM, Uporov IV, Kudryashova EV, Sokolsky-Papkov M, Majouga AG, Golovin YI, Kabanov AV, Klyachko NL. In Situ Observation of Chymotrypsin Catalytic Activity Change Actuated by Nonheating Low-Frequency Magnetic Field. ACS NANO 2018; 12:3190-3199. [PMID: 29570975 DOI: 10.1021/acsnano.7b06439] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Magnetomechanical modulation of biochemical processes is a promising instrument for bioengineering and nanomedicine. This work demonstrates two approaches to control activity of an enzyme, α-chymotrypsin immobilized on the surface of gold-coated magnetite magnetic nanoparticles (GM-MNPs) using a nonheating low-frequency magnetic field (LF MF). The measurement of the enzyme reaction rate was carried out in situ during exposure to the magnetic field. The first approach involves α-chymotrypsin-GM-MNPs conjugates, in which the enzyme undergoes mechanical deformations with the reorientation of the MNPs under LF MF (16-410 Hz frequency, 88 mT flux density). Such mechanical deformations result in conformational changes in α-chymotrypsin structure, as confirmed by infrared spectroscopy and molecular modeling, and lead to a 63% decrease of enzyme initial activity. The second approach involves an α-chymotrypsin-GM-MNPs/trypsin inhibitor-GM-MNPs complex, in which the activity of the enzyme is partially inhibited. In this case the reorientation of MNPs in the field leads to disruption of the enzyme-inhibitor complex and an almost 2-fold increase of enzyme activity. The results further demonstrate the utility of magnetomechanical actuation at the nanoscale for the remote modulation of biochemical reactions.
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Affiliation(s)
- Maria V Efremova
- Laboratory for Chemical Design of Bionanomaterials, Chemistry Department , M.V. Lomonosov Moscow State University , Moscow 119991 , Russian Federation
- National University of Science and Technology MISIS , Moscow 119049 , Russian Federation
| | - Maxim M Veselov
- Laboratory for Chemical Design of Bionanomaterials, Chemistry Department , M.V. Lomonosov Moscow State University , Moscow 119991 , Russian Federation
| | - Alexander V Barulin
- Laboratory for Chemical Design of Bionanomaterials, Chemistry Department , M.V. Lomonosov Moscow State University , Moscow 119991 , Russian Federation
| | | | - Irina M Le-Deygen
- Laboratory for Chemical Design of Bionanomaterials, Chemistry Department , M.V. Lomonosov Moscow State University , Moscow 119991 , Russian Federation
| | - Igor V Uporov
- Laboratory for Chemical Design of Bionanomaterials, Chemistry Department , M.V. Lomonosov Moscow State University , Moscow 119991 , Russian Federation
| | - Elena V Kudryashova
- Laboratory for Chemical Design of Bionanomaterials, Chemistry Department , M.V. Lomonosov Moscow State University , Moscow 119991 , Russian Federation
| | - Marina Sokolsky-Papkov
- Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy , University of North Carolina at Chapel Hill , Chapel Hill , North Carolina 27599 , United States
| | - Alexander G Majouga
- Laboratory for Chemical Design of Bionanomaterials, Chemistry Department , M.V. Lomonosov Moscow State University , Moscow 119991 , Russian Federation
- National University of Science and Technology MISIS , Moscow 119049 , Russian Federation
- D. Mendeleev University of Chemical Technology of Russia , Moscow 125047 , Russian Federation
| | - Yuri I Golovin
- Laboratory for Chemical Design of Bionanomaterials, Chemistry Department , M.V. Lomonosov Moscow State University , Moscow 119991 , Russian Federation
- G.R. Derzhavin Tambov State University , Tambov 392036 , Russian Federation
| | - Alexander V Kabanov
- Laboratory for Chemical Design of Bionanomaterials, Chemistry Department , M.V. Lomonosov Moscow State University , Moscow 119991 , Russian Federation
- Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy , University of North Carolina at Chapel Hill , Chapel Hill , North Carolina 27599 , United States
| | - Natalia L Klyachko
- Laboratory for Chemical Design of Bionanomaterials, Chemistry Department , M.V. Lomonosov Moscow State University , Moscow 119991 , Russian Federation
- National University of Science and Technology MISIS , Moscow 119049 , Russian Federation
- Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy , University of North Carolina at Chapel Hill , Chapel Hill , North Carolina 27599 , United States
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Lambruschini C, Villa S, Banfi L, Canepa F, Morana F, Relini A, Riani P, Riva R, Silvetti F. Enzymatically promoted release of organic molecules linked to magnetic nanoparticles. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2018; 9:986-999. [PMID: 29719751 PMCID: PMC5905276 DOI: 10.3762/bjnano.9.92] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 02/27/2018] [Indexed: 06/08/2023]
Abstract
Magnetite-based magnetic nanoparticles have been successfully coupled to an organic system constituted of a fluorescent molecule, a tripeptide specifier and a spacer. The system is able to selectively release the fluorescent molecule upon targeted enzymatic hydrolysis promoted by a lysine/arginine specific protease.
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Affiliation(s)
- Chiara Lambruschini
- Department of Chemistry and Industrial Chemistry, Università di Genova, via Dodecaneso, 31 16146 Genova, Italy
| | - Silvia Villa
- Department of Chemistry and Industrial Chemistry, Università di Genova, via Dodecaneso, 31 16146 Genova, Italy
| | - Luca Banfi
- Department of Chemistry and Industrial Chemistry, Università di Genova, via Dodecaneso, 31 16146 Genova, Italy
| | - Fabio Canepa
- Department of Chemistry and Industrial Chemistry, Università di Genova, via Dodecaneso, 31 16146 Genova, Italy
| | - Fabio Morana
- Department of Chemistry and Industrial Chemistry, Università di Genova, via Dodecaneso, 31 16146 Genova, Italy
| | - Annalisa Relini
- Department of Chemistry and Industrial Chemistry, Università di Genova, via Dodecaneso, 31 16146 Genova, Italy
| | - Paola Riani
- Department of Chemistry and Industrial Chemistry, Università di Genova, via Dodecaneso, 31 16146 Genova, Italy
| | - Renata Riva
- Department of Chemistry and Industrial Chemistry, Università di Genova, via Dodecaneso, 31 16146 Genova, Italy
| | - Fulvio Silvetti
- Department of Chemistry and Industrial Chemistry, Università di Genova, via Dodecaneso, 31 16146 Genova, Italy
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Quehenberger J, Shen L, Albers SV, Siebers B, Spadiut O. Sulfolobus - A Potential Key Organism in Future Biotechnology. Front Microbiol 2017; 8:2474. [PMID: 29312184 PMCID: PMC5733018 DOI: 10.3389/fmicb.2017.02474] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Accepted: 11/28/2017] [Indexed: 11/13/2022] Open
Abstract
Extremophilic organisms represent a potentially valuable resource for the development of novel bioprocesses. They can act as a source for stable enzymes and unique biomaterials. Extremophiles are capable of carrying out microbial processes and biotransformations under extremely hostile conditions. Extreme thermoacidophilic members of the well-characterized genus Sulfolobus are outstanding in their ability to thrive at both high temperatures and low pH. This review gives an overview of the biological system Sulfolobus including its central carbon metabolism and the development of tools for its genetic manipulation. We highlight findings of commercial relevance and focus on potential industrial applications. Finally, the current state of bioreactor cultivations is summarized and we discuss the use of Sulfolobus species in biorefinery applications.
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Affiliation(s)
- Julian Quehenberger
- Research Division Biochemical Engineering, Faculty of Technical Chemistry, Institute of Chemical, Environmental and Biological Engineering, Vienna University of Technology, Vienna, Austria
| | - Lu Shen
- Department of Molecular Enzyme Technology and Biochemistry, Faculty of Chemistry – Biofilm Centre, University of Duisburg-Essen, Essen, Germany
| | - Sonja-Verena Albers
- Molecular Biology of Archaea, Institute of Biology II-Microbiology, Faculty of Biology, University of Freiburg, Freiburg im Breisgau, Germany
| | - Bettina Siebers
- Department of Molecular Enzyme Technology and Biochemistry, Faculty of Chemistry – Biofilm Centre, University of Duisburg-Essen, Essen, Germany
| | - Oliver Spadiut
- Research Division Biochemical Engineering, Faculty of Technical Chemistry, Institute of Chemical, Environmental and Biological Engineering, Vienna University of Technology, Vienna, Austria
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A biological method for in-situ synthesis of hydroxyapatite-coated magnetite nanoparticles using Enterobacter aerogenes: Characterization and acute toxicity assessments. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 73:220-224. [PMID: 28183602 DOI: 10.1016/j.msec.2016.12.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Revised: 11/14/2016] [Accepted: 12/04/2016] [Indexed: 01/28/2023]
Abstract
Hydroxyapatite (HA)-coated magnetite nanoparticles (MNPs) are being widely investigated for various applications in medical engineering and wastewater treatment. In this work, the MNPs were thoroughly coated by bacterial synthesized HA nanoparticles during biomineralization process using Enterobacter aerogenes. The resulting bacterial-induced precipitate was then calcined at 600°C and investigated with respect to structural characteristics, particle size and magnetic strength by XRD, FT-IR, SEM, EDS, TEM and VSM analyses. The effects of MNPs and HA-coated MNPs (HA-MNPs) on the viability of human MCF-7 cell lines were also investigated via mitochondrial activity test (MTT) and lactate dehydrogenase (LDH) assays. The powder characterization results showed appropriate structural properties for HA-MNPs samples. The particles diameter size of the MNPs and HA-MNPs were in the range of 3-25nm and 20-80nm, respectively. The biologically-synthesized HA-MNPs formed a stable suspension in water while keeping their magnetic property. The saturation magnetization (Ms) of HA-MNPs was measured at ~10emug-1 which was in good agreement with the structural composition of this sample. Finally, the results of the cell lines viability indicated that coating of toxic MNPs via biomineralization was a promising approach in order to synthesize bio-compatible magnetic nanoparticles with suitable physical and chemical structural characteristics. The toxicity level of MNPs was reduced by 10 fold when coated by bacterial-synthesized HA.
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Extremophiles as sources of inorganic bio-nanoparticles. World J Microbiol Biotechnol 2016; 32:156. [PMID: 27465856 DOI: 10.1007/s11274-016-2111-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Accepted: 07/09/2016] [Indexed: 02/04/2023]
Abstract
Industrial use of nanotechnology in daily life has produced an emphasis on the safe and efficient production of nanoparticles (NPs). Traditional chemical oxidation and reduction methods are seen as inefficient, environmentally unsound, and often dangerous to those exposed and involved in NP manufacturing. However, utilizing microorganisms for biosynthesis of NPs allows efficient green production of a range of inorganic NPs, while maintaining specific size, shape, stability, and dispersity. Microorganisms living under harsh environmental conditions, called "Extremophiles," are one group of microorganisms being utilized for this biosynthesis. Extremophiles' unique living conditions have endowed them with various processes that enable NP biosynthesis. This includes a range of extremophiles: thermophiles, acidophilus, halophiles, psychrophiles, anaerobes, and some others. Fungi, bacteria, yeasts, and archaea, i.e. Ureibacillus thermosphaericus, and Geobacillus stearothermophilus, among others, have been established for NP biosynthesis. This article highlights the extremophiles and methods found to be viable candidates for the production of varying types of NPs, as well as interpreting selective methods used by the organisms to synthesize NPs.
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Some like it hot, some like it cold: Temperature dependent biotechnological applications and improvements in extremophilic enzymes. Biotechnol Adv 2015; 33:1912-22. [DOI: 10.1016/j.biotechadv.2015.11.001] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Revised: 11/12/2015] [Accepted: 11/12/2015] [Indexed: 11/23/2022]
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