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Mendes GR, Modenez IDA, Cagnani GR, Colombo RNP, Crespilho FN. Exploring Enzymatic Conformational Dynamics at Surfaces through μ-FTIR Spectromicroscopy. Anal Chem 2023; 95:11254-11262. [PMID: 37459476 DOI: 10.1021/acs.analchem.3c00872] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2023]
Abstract
Immobilization of proteins onto solid supports has critical industrial, technological, and medical applications, and is a daily task in chemical research. Significant conformational rearrangements often occur due to enzyme-surface interactions, and it is of broad interest to develop methods to probe and better understand these molecular-level changes that contribute to the enzyme's catalytic activity and stability. While circular dichroism is a common method for solution-phase conformational study, the application to surface-supported proteins is not trivial and spatial mapping is not viable. On the other hand, a nonlinear laser spectroscopy technique used to analyze surfaces and interfaces is not often found in most laboratories, therefore requiring an alternative and reliable method. Here, we employed high-dimensional data spectromicroscopy analysis in the infrared region (μ-FTIR) to investigate the enzyme's conformational change when adsorbed onto solid matrices, across a ca. 20 mm2 area. Alcohol dehydrogenase (ADH) enzyme was adopted as a model enzyme to interact with CaF2, Au, and Au-thiol model substrates, strategically chosen for mapping the enzyme dynamics on solid surfaces with different polarity/hydrophobicity properties and extendable to other materials. Two-dimensional chemical maps indicate that the enzyme adsorbs with different patterns in which secondary structures dynamically adjust to optimize interprotein and enzyme-surface interactions. The results suggest an experimental approach to identify and map enzyme conformational dynamics onto different solid surfaces across space and provide insights into immobilized protein structure investigations for areas such as biosensing and bioenergy.
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Affiliation(s)
- Giovana Rossi Mendes
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos 13560-970, Brazil
| | - Iago de Assis Modenez
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos 13560-970, Brazil
| | - Giovana Rosso Cagnani
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos 13560-970, Brazil
| | - Rafael N P Colombo
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos 13560-970, Brazil
| | - Frank Nelson Crespilho
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos 13560-970, Brazil
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2
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Sun J, Wang J, Chen X. Functionalization of Mesoporous Silica with a G-A-Mismatched dsDNA Chain for Efficient Identification and Selective Capturing of the MutY Protein. ACS APPLIED MATERIALS & INTERFACES 2023; 15:8884-8894. [PMID: 36757327 DOI: 10.1021/acsami.2c19257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
MUTYH adenine DNA glycosylase and its homologous protein (collectively MutY) are typical DNA glycosylases with a [4Fe4S] cluster and a helix-hairpin-helix (HhH) motif in its structure. In the present work, the binding behaviors of the MutY protein to dsDNA containing different base mismatches were investigated. The type and distribution of base mismatch in the dsDNA chain were found to influence the DNA-protein binding interaction greatly. The [4Fe4S] cluster of the MutY protein is able to identify a G-A mismatch in the dsDNA chain specifically by monitoring the anomalies of charge transport in the dsDNA chain, allowing the entrance of the identified dsDNA chain into the internal cavity of the MutY protein and the strong DNA-protein binding at the HhH motif of the protein through multiple H-bonds. The dsDNA chain with a centrally located G-A mismatch is thus functionalized on mesoporous silica (MSN) via amination reaction, and the obtained dsDNA(G-A)@MSN is used as a powerful sorbent for the selective capturing of the MutY protein from complex samples. By using 0.5% NH3·H2O (m/v) as a stripping reagent, efficient isolation of the MutY protein from different cell lines and bacteria is achieved and the recovered MutY protein is demonstrated to maintain favorable DNA adenine glycosylase activity.
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Affiliation(s)
- Jingqi Sun
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Box 332, Shenyang, Liaoning 110819, China
| | - Jianhua Wang
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Box 332, Shenyang, Liaoning 110819, China
| | - Xuwei Chen
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Box 332, Shenyang, Liaoning 110819, China
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3
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Yu CN, Hiramatsu H. Resonance Hyper-Raman Spectroscopy of Nucleotides and Polynucleotides. J Phys Chem B 2022; 126:9309-9315. [PMID: 36326439 DOI: 10.1021/acs.jpcb.2c05673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
We applied 532 nm-excited two-photon resonance hyper-Raman (RHR) spectroscopy to nucleotides (dA, dG, dT, and dC) to obtain fundamental knowledge about their spectral patterns. The RHR spectrum of each nucleotide exhibited various modes of the purine and pyrimidine rings, showing the ability to acquire the structural information on the chromophore. The band positions of the RHR spectrum and the 266 nm-excited one-photon UV-resonance Raman (UVRR) spectrum were identical, while the intensity patterns differed. The peak assignments of the RHR bands were given by analogy to the UVRR spectrum. In examining the polynucleotides, which form a double-stranded helix through intermolecular hydrogen bonds, some RHR bands were found to be available as structural markers. Moreover, several overtone and combination bands were detected above 2000 cm-1. The frequencies of dA and dG were accounted for by considering the involvement of the vibration of dA at 1579 cm-1 and that of dG at 1482 cm-1, respectively. Multiple vibronically active modes were seen for dT and dC. HR spectroscopy offers unique information on the fundamental, combination, and overtone modes of dA and dG, of which the multiple electronic states are involved in the resonance process.
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4
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Shet SM, Bharadwaj P, Bisht M, Pereira MM, Thayallath SK, Lokesh V, Franklin G, Kotrappanavar NS, Mondal D. Presenting B-DNA as macromolecular crowding agent to improve efficacy of cytochrome c under various stresses. Int J Biol Macromol 2022; 215:184-191. [PMID: 35716795 DOI: 10.1016/j.ijbiomac.2022.06.093] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 06/05/2022] [Accepted: 06/12/2022] [Indexed: 11/05/2022]
Abstract
Existence of numerous biomolecules results in biological fluids to be extremely crowded. Thus, Macromolecular crowding is an essential phenomenon to sustain active conformation of proteins in biological systems. Herein, double helical deoxyribonucleic acid (B-DNA) is presented for the first time as a biomacromolecular crowding system for sustainable packaging of cytochrome c (Cyt C). The peroxidase activity of Cyt C was investigated in the presence of various concentrations of B-DNA (from salmon milt). At an optimized concentration of 0.125 mg/mL B-DNA, an 11-fold higher catalytic activity was found than in native Cyt C with improved stability. Molecular docking and spectroscopic analyses revealed that electrostatic and H-bonding are the main interactions between DNA and Cyt C that affect the structural stability and activity of the protein. Moreover, the catalytic activity and stability of the protein were further investigated in the presence of severe process conditions by UV-visible, circular dichroism, and Fourier-transform infrared spectroscopies. Molecularly crowded Cyt C showed significantly higher activity and stability under severe environments such as high temperature (110 °C), oxidative stress, high pH (pH 10) and biological (trypsin) and chemical denaturants (urea) compared to bare Cyt C. The observed results support the suitability of DNA-based macromolecular crowding media as a viable and effective stabilizer of proteins against multiple stresses.
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Affiliation(s)
- Sachin M Shet
- Centre for Nano and Material Sciences, Jain University, Bangalore 562112, India
| | - Pranav Bharadwaj
- Centre for Nano and Material Sciences, Jain University, Bangalore 562112, India
| | - Meena Bisht
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Matheus M Pereira
- Departamento de Química, CICECO, Universidade de Aveiro, Aveiro 3810-193, Portugal
| | | | - Veeresh Lokesh
- Institute of Plant Genetics (IPG), Polish Academy of Sciences, Strzeszyńska 34, 60-479 Poznań, Poland
| | - Gregory Franklin
- Institute of Plant Genetics (IPG), Polish Academy of Sciences, Strzeszyńska 34, 60-479 Poznań, Poland
| | | | - Dibyendu Mondal
- Centre for Nano and Material Sciences, Jain University, Bangalore 562112, India; Institute of Plant Genetics (IPG), Polish Academy of Sciences, Strzeszyńska 34, 60-479 Poznań, Poland.
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5
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Zhang M, Yu B, Xu T, Zhang D, Qiang Z, Pan X. Insights into capture-inactivation/oxidation of antibiotic resistance bacteria and cell-free antibiotic resistance genes from waters using flexibly-functionalized microbubbles. JOURNAL OF HAZARDOUS MATERIALS 2022; 428:128249. [PMID: 35063836 DOI: 10.1016/j.jhazmat.2022.128249] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 01/03/2022] [Accepted: 01/07/2022] [Indexed: 06/14/2023]
Abstract
The spread of antibiotic resistance in the aquatic environment severely threatens the public health and ecological security. This study investigated simultaneously capturing and inactivating/oxidizing the antibiotic resistant bacteria (ARB) and cell-free antibiotic resistance genes (ARGs) in waters by flexibly-functionalized microbubbles. The microbubbles were obtained by surface-modifying the bubbles with coagulant (named as coagulative colloidal gas aphrons, CCGAs) and further encapsulating ozone in the gas core (named as coagulative colloidal ozone aphrons, CCOAs). CCGAs removed 92.4-97.5% of the sulfamethoxazole-resistant bacteria in the presence of dissolved organic matter (DOM), and the log reduction of cell-free ARGs (particularly, those encoded in plasmid) reached 1.86-3.30. The ozone release from CCOAs led to efficient in-situ oxidation: 91.2% of ARB were membrane-damaged and inactivated. In the municipal wastewater matrix, the removal of ARB increased whilst that of cell-free ARGs decreased by CCGAs with the DOM content increasing. The ozone encapsulation into CCGAs reinforced the bubble performance. The predominant capture mechanism should be electrostatic attraction between bubbles and ARB (or cell-free ARGs), and DOM enhanced the sweeping and bridging effect. The functionalized microbubble technology can be a promising and effective barrier for ARB and cell-free ARGs with shortened retention time, lessened chemical doses and simplified treatment unit.
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Affiliation(s)
- Ming Zhang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Beilei Yu
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Tao Xu
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Daoyong Zhang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou 310014, China.
| | - Zhimin Qiang
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 18 Shuang-qing Road, Beijing 100085, China
| | - Xiangliang Pan
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
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6
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Macedo LJA, Rodrigues FP, Hassan A, Máximo LNC, Zobi F, da Silva RS, Crespilho FN. Non-destructive molecular FTIR spectromicroscopy for real time assessment of redox metallodrugs. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:1094-1102. [PMID: 34935794 DOI: 10.1039/d1ay01198g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Recent emergence of FTIR spectromicroscopy (micro-FTIR) as a dynamic spectroscopy for imaging to study biological chemistry has opened new possibilities for investigating in situ drug release, redox chemistry effects on biological molecules, DNA and drug interactions, membrane dynamics, and redox reactions with proteins at the single cell level. Micro-FTIR applied to metallodrugs has been playing an important role since the last decade because of its great potential to achieve more robust and controlled pharmacological effects against several diseases, including cancer. An important aspect in the development of these drugs is to understand their cellular properties, such as uptake, accumulation, activity, and toxicity. In this review, we present the potential application of micro-FTIR and its importance for studying metal-based drugs, highlighting the perspectives of chemistry of living cells. We also emphasise bioimaging, which is of high importance to localize the cellular processes, for a proper understanding of the mechanism of action.
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Affiliation(s)
- Lucyano J A Macedo
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, SP 13560-970, Brazil.
| | - Fernando P Rodrigues
- Department of Physics and Chemistry, University of São Paulo, Ribeirão Preto, SP 14040-903, Brazil
| | - Ayaz Hassan
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, SP 13560-970, Brazil.
| | - Leandro N C Máximo
- Department of Chemistry, Federal Institute of Education, Science and Technology, Goiano, Urutuai, GO 75790-000, Brazil
| | - Fabio Zobi
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, Fribourg, CH-1700, Switzerland
| | - Roberto S da Silva
- Department of Physics and Chemistry, University of São Paulo, Ribeirão Preto, SP 14040-903, Brazil
| | - Frank N Crespilho
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, SP 13560-970, Brazil.
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7
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Pal A, Goswami B, Thakur A. Cyclic vs. acyclic alkyne towards Hg 2+ ion detection: combined experimental and theoretical studies. NEW J CHEM 2022. [DOI: 10.1039/d1nj05707c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Comparison between the alkynes in terminal and internally conjugated 1,3-diyne systems produces differences in molecular recognition, maintaining the HSAB principle.
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Affiliation(s)
- Adwitiya Pal
- Department of Chemistry, Jadavpur University, Kolkata-700032, India
| | - Bappaditya Goswami
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur-741246, India
| | - Arunabha Thakur
- Department of Chemistry, Jadavpur University, Kolkata-700032, India
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8
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Trasviña-Arenas CH, Demir M, Lin WJ, David SS. Structure, function and evolution of the Helix-hairpin-Helix DNA glycosylase superfamily: Piecing together the evolutionary puzzle of DNA base damage repair mechanisms. DNA Repair (Amst) 2021; 108:103231. [PMID: 34649144 DOI: 10.1016/j.dnarep.2021.103231] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 09/20/2021] [Accepted: 09/23/2021] [Indexed: 10/20/2022]
Abstract
The Base Excision Repair (BER) pathway is a highly conserved DNA repair system targeting chemical base modifications that arise from oxidation, deamination and alkylation reactions. BER features lesion-specific DNA glycosylases (DGs) which recognize and excise modified or inappropriate DNA bases to produce apurinic/apyrimidinic (AP) sites and coordinate AP-site hand-off to subsequent BER pathway enzymes. The DG superfamilies identified have evolved independently to cope with a wide variety of nucleobase chemical modifications. Most DG superfamilies recognize a distinct set of structurally related lesions. In contrast, the Helix-hairpin-Helix (HhH) DG superfamily has the remarkable ability to act upon structurally diverse sets of base modifications. The versatility in substrate recognition of the HhH-DG superfamily has been shaped by motif and domain acquisitions during evolution. In this paper, we review the structural features and catalytic mechanisms of the HhH-DG superfamily and draw a hypothetical reconstruction of the evolutionary path where these DGs developed diverse and unique enzymatic features.
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Affiliation(s)
| | - Merve Demir
- Department of Chemistry, University of California, Davis, CA 95616, U.S.A
| | - Wen-Jen Lin
- Department of Chemistry, University of California, Davis, CA 95616, U.S.A
| | - Sheila S David
- Department of Chemistry, University of California, Davis, CA 95616, U.S.A..
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9
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Hassan A, Sedenho GC, Vitale PAM, Oliviera MN, Crespilho FN. On the Weak Binding and Spectroscopic Signature of SARS-CoV-2 nsp14 Interaction with RNA. Chembiochem 2021; 22:3410-3413. [PMID: 34542936 PMCID: PMC8653059 DOI: 10.1002/cbic.202100486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 09/18/2021] [Indexed: 11/29/2022]
Abstract
The SARS‐CoV‐2 non‐structural protein 14 (nsp14), known as exoribonuclease is encoded from the large polyprotein of viral genome and is a major constituent of the transcription replication complex (TRC) machinery of the viral RNA synthesis. This protein is highly conserved among the coronaviruses and is a potential target for the development of a therapeutic drug. Here, we report the SARS‐CoV‐2 nsp14 expression, show its structural characterization, and ss‐RNA exonuclease activity through vibrational and electronic spectroscopies. The deconvolution of amide‐I band in the FTIR spectrum of the protein revealed a composition of 35 % α‐helix and 25 % β‐sheets. The binding between protein and RNA is evidenced from the spectral changes in the amide‐I region of the nsp14, showing protein conformational changes during the binding process. A value of 20.60±3.81 mol L−1 of the binding constant (KD) is obtained for nsp14/RNA complex. The findings reported here can motivate further studies to develop structural models for better understanding the mechanism of exonuclease enzymes for correcting the viral genome and can help in the development of drugs against SARS‐CoV‐2.
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Affiliation(s)
- Ayaz Hassan
- Department of Physical Chemistry, São Carlos Institute of Chemistry, University of São Paulo, Av. Trabalhador São Carlense, 400 - Parque Arnold Schimidt, São Carlos, SP, 13566-590, Brazil
| | - Graziela C Sedenho
- Department of Physical Chemistry, São Carlos Institute of Chemistry, University of São Paulo, Av. Trabalhador São Carlense, 400 - Parque Arnold Schimidt, São Carlos, SP, 13566-590, Brazil
| | - Phelipe A M Vitale
- Biolinker, Av. Prof. Lineu Prestes, Cietec - Butantã, São Paulo, SP, 05508-000, Brazil
| | - Mona N Oliviera
- Biolinker, Av. Prof. Lineu Prestes, Cietec - Butantã, São Paulo, SP, 05508-000, Brazil
| | - Frank N Crespilho
- Department of Physical Chemistry, São Carlos Institute of Chemistry, University of São Paulo, Av. Trabalhador São Carlense, 400 - Parque Arnold Schimidt, São Carlos, SP, 13566-590, Brazil
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10
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Radiation-Induced Effect on Spin-Selective Electron Transfer through Self-Assembled Monolayers of ds-DNA. MAGNETOCHEMISTRY 2021. [DOI: 10.3390/magnetochemistry7070098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Stability of the DNA molecule is essential for the proper functioning and sustainability of all living organisms. In this study, we investigate the effect of gamma radiation (γ-radiation) on spin-selective electron transfer through double strand (ds)DNA molecules. Self-assembled monolayers (SAMs) of 21-base long DNA are prepared on Au-coated Ni thin film. We measure the spin polarization (%) of the SAMs of ds-DNA using the spin-dependent electrochemical technique. We use a Cs-based γ-radiation source to expose the SAMs of ds-DNA immobilized on thin films for various time intervals ranging from 0–30 min. The susceptibility of DNA to γ-radiation is measured by spin-dependent electrochemistry. We observe that the efficiency of spin filtering by ds-DNA gradually decreases when exposure (to γ-radiation) time increases, and drops below 1% after 30 min of exposure. The change in spin polarization value is related either to the conformational perturbation in DNA or to structural damage in DNA molecules caused by ionizing radiation.
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11
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Piccirilli F, Tardani F, D’Arco A, Birarda G, Vaccari L, Sennato S, Casciardi S, Lupi S. Infrared Nanospectroscopy Reveals DNA Structural Modifications upon Immobilization onto Clay Nanotubes. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1103. [PMID: 33923331 PMCID: PMC8147086 DOI: 10.3390/nano11051103] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 04/17/2021] [Accepted: 04/20/2021] [Indexed: 12/22/2022]
Abstract
The growing demand for innovative means in biomedical, therapeutic and diagnostic sciences has led to the development of nanomedicine. In this context, naturally occurring tubular nanostructures composed of rolled sheets of alumino-silicates, known as halloysite nanotubes, have found wide application. Halloysite nanotubes indeed have surface properties that favor the selective loading of biomolecules. Here, we present the first, to our knowledge, structural study of DNA-decorated halloysite nanotubes, carried out with nanometric spatially-resolved infrared spectroscopy. Single nanotube absorption measurements indicate a partial covering of halloysite by DNA molecules, which show significant structural modifications taking place upon loading. The present study highlights the constraints for the use of nanostructured clays as DNA carriers and demonstrates the power of super-resolved infrared spectroscopy as an effective and versatile tool for the evaluation of immobilization processes in the context of drug delivery and gene transfer.
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Affiliation(s)
| | - Franco Tardani
- Istituto dei Sistemi Complessi (ISC)-CNR, UOS Roma Sapienza, 00185 Roma, Italy; (F.T.); (S.S.)
| | - Annalisa D’Arco
- Dipartimento di Fisica, “La Sapienza” Universitá di Roma, 00185 Roma, Italy;
- National Institute of Nuclear Physics Section Rome, P.le A. Moro 2, 00185 Roma, Italy
| | - Giovanni Birarda
- Elettra Sincrotrone Trieste, 34149 Trieste, Italy; (G.B.); (L.V.)
| | - Lisa Vaccari
- Elettra Sincrotrone Trieste, 34149 Trieste, Italy; (G.B.); (L.V.)
| | - Simona Sennato
- Istituto dei Sistemi Complessi (ISC)-CNR, UOS Roma Sapienza, 00185 Roma, Italy; (F.T.); (S.S.)
- Dipartimento di Fisica, “La Sapienza” Universitá di Roma, 00185 Roma, Italy;
| | - Stefano Casciardi
- Dipartimento di Medicina, Epidemiologia, Igiene del Lavoro e Ambientale, Istituto Nazionale per l’Assicurazione Contro gli Infortuni sul Lavoro, 00100 Roma, Italy;
| | - Stefano Lupi
- Istituto Officina dei Materiali CNR, 34149 Trieste, Italy;
- Dipartimento di Fisica, “La Sapienza” Universitá di Roma, 00185 Roma, Italy;
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12
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Patel AY, Jonnalagadda KS, Paradis N, Vaden TD, Wu C, Caputo GA. Effects of Ionic Liquids on Metalloproteins. Molecules 2021; 26:514. [PMID: 33478102 PMCID: PMC7835893 DOI: 10.3390/molecules26020514] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 01/04/2021] [Accepted: 01/08/2021] [Indexed: 01/28/2023] Open
Abstract
In the past decade, innovative protein therapies and bio-similar industries have grown rapidly. Additionally, ionic liquids (ILs) have been an area of great interest and rapid development in industrial processes over a similar timeline. Therefore, there is a pressing need to understand the structure and function of proteins in novel environments with ILs. Understanding the short-term and long-term stability of protein molecules in IL formulations will be key to using ILs for protein technologies. Similarly, ILs have been investigated as part of therapeutic delivery systems and implicated in numerous studies in which ILs impact the activity and/or stability of protein molecules. Notably, many of the proteins used in industrial applications are involved in redox chemistry, and thus often contain metal ions or metal-associated cofactors. In this review article, we focus on the current understanding of protein structure-function relationship in the presence of ILs, specifically focusing on the effect of ILs on metal containing proteins.
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Affiliation(s)
- Aashka Y. Patel
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ 08028, USA; (A.Y.P.); (N.P.); (T.D.V.); (C.W.)
| | | | - Nicholas Paradis
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ 08028, USA; (A.Y.P.); (N.P.); (T.D.V.); (C.W.)
| | - Timothy D. Vaden
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ 08028, USA; (A.Y.P.); (N.P.); (T.D.V.); (C.W.)
| | - Chun Wu
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ 08028, USA; (A.Y.P.); (N.P.); (T.D.V.); (C.W.)
- Department of Molecular and Cellular Biosciences, Rowan University, Glassboro, NJ 08028, USA
| | - Gregory A. Caputo
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ 08028, USA; (A.Y.P.); (N.P.); (T.D.V.); (C.W.)
- Department of Molecular and Cellular Biosciences, Rowan University, Glassboro, NJ 08028, USA
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