1
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Mueller BL, Liberman MJ, Kolpashchikov DM. OWL2: a molecular beacon-based nanostructure for highly selective detection of single-nucleotide variations in folded nucleic acids. NANOSCALE 2023; 15:5735-5742. [PMID: 36880268 DOI: 10.1039/d2nr05590b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Hybridization probes have been used in the detection of specific nucleic acids for the last 50 years. Despite the extensive efforts and the great significance, the challenges of the commonly used probes include (1) low selectivity in detecting single nucleotide variations (SNV) at low (e.g. room or 37 °C) temperatures; (2) low affinity in binding folded nucleic acids, and (3) the cost of fluorescent probes. Here we introduce a multicomponent hybridization probe, called OWL2 sensor, which addresses all three issues. The OWL2 sensor uses two analyte binding arms to tightly bind and unwind folded analytes, and two sequence-specific strands that bind both the analyte and a universal molecular beacon (UMB) probe to form fluorescent 'OWL' structure. The OWL2 sensor was able to differentiate single base mismatches in folded analytes in the temperature range of 5-38 °C. The design is cost-efficient since the same UMB probe can be used for detecting any analyte sequence.
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Affiliation(s)
- Brittany L Mueller
- Chemistry Department, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, USA.
| | - Mark J Liberman
- Chemistry Department, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, USA.
| | - Dmitry M Kolpashchikov
- Chemistry Department, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, USA.
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, Florida, USA
- National Center for Forensic Science, University of Central Florida, Orlando, FL, USA
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2
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Rubel MS, Shkodenko LA, Gorbenko DA, Solyanikova VV, Maltzeva YI, Rubel AA, Koshel EI, Kolpashchikov DM. Detection of Multiplex NASBA RNA Products Using Colorimetric Split G Quadruplex Probes. Methods Mol Biol 2023; 2709:287-298. [PMID: 37572289 DOI: 10.1007/978-1-0716-3417-2_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/14/2023]
Abstract
Structural RNA is a challenging target for recognition by hybridization probes. This chapter addresses the recognition problem of RNA amplicons in samples obtained by multiplex nucleic acid sequence-based amplification (NASBA). The method describes the design of G-quadruplex binary (split) DNA peroxidase sensors that produces colorimetric signal upon recognition of NASBA amplicons.
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Affiliation(s)
- Maria S Rubel
- Laboratory of DNA-Nanosensor Diagnostics, ITMO University, Saint Petersburg, Russia.
| | - Liubov A Shkodenko
- Laboratory of DNA-Nanosensor Diagnostics, ITMO University, Saint Petersburg, Russia
| | - Daria A Gorbenko
- Laboratory of DNA-Nanosensor Diagnostics, ITMO University, Saint Petersburg, Russia
| | | | - Yulia I Maltzeva
- Laboratory of DNA-Nanosensor Diagnostics, ITMO University, Saint Petersburg, Russia
| | - Aleksandr A Rubel
- Laboratory of Amyloid Biology, Saint-Petersburg State University, Saint Petersburg, Russia
| | - Elena I Koshel
- Laboratory of DNA-Nanosensor Diagnostics, ITMO University, Saint Petersburg, Russia
| | - Dmitry M Kolpashchikov
- Department of Chemistry, University of Central Florida, Orlando, FL, USA
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL, USA
- Center for Forensic Science, University of Central Florida, Orlando, FL, USA
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3
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Nedorezova DD, Dubovichenko MV, Belyaeva EP, Grigorieva ED, Peresadina AV, Kolpashchikov DM. Specificity of oligonucleotide gene therapy (OGT) agents. Theranostics 2022; 12:7132-7157. [PMID: 36276652 PMCID: PMC9576606 DOI: 10.7150/thno.77830] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 09/11/2022] [Indexed: 11/24/2022] Open
Abstract
Oligonucleotide gene therapy (OGT) agents (e. g. antisense, deoxyribozymes, siRNA and CRISPR/Cas) are promising therapeutic tools. Despite extensive efforts, only few OGT drugs have been approved for clinical use. Besides the problem of efficient delivery to targeted cells, hybridization specificity is a potential limitation of OGT agents. To ensure tight binding, a typical OGT agent hybridizes to the stretch of 15-25 nucleotides of a unique targeted sequence. However, hybrids of such lengths tolerate one or more mismatches under physiological conditions, the problem known as the affinity/specificity dilemma. Here, we assess the scale of this problem by analyzing OGT hybridization-dependent off-target effects (HD OTE) in vitro, in animal models and clinical studies. All OGT agents except deoxyribozymes exhibit HD OTE in vitro, with most thorough evidence of poor specificity reported for siRNA and CRISPR/Cas9. Notably, siRNA suppress non-targeted genes due to (1) the partial complementarity to mRNA 3'-untranslated regions (3'-UTR), and (2) the antisense activity of the sense strand. CRISPR/Cas9 system can cause hundreds of non-intended dsDNA breaks due to low specificity of the guide RNA, which can limit therapeutic applications of CRISPR/Cas9 by ex-vivo formats. Contribution of this effects to the observed in vivo toxicity of OGT agents is unclear and requires further investigation. Locked or peptide nucleic acids improve OGT nuclease resistance but not specificity. Approaches that use RNA marker dependent (conditional) activation of OGT agents may improve specificity but require additional validation in cell culture and in vivo.
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Affiliation(s)
- Daria D. Nedorezova
- Laboratory of Molecular Robotics and Biosensor Materials, International Institute SCAMT, ITMO University, 9 Lomonosov Str., St. Petersburg, 191002, Russian Federation
| | - Mikhail V. Dubovichenko
- Laboratory of Molecular Robotics and Biosensor Materials, International Institute SCAMT, ITMO University, 9 Lomonosov Str., St. Petersburg, 191002, Russian Federation
| | - Ekaterina P. Belyaeva
- Laboratory of Molecular Robotics and Biosensor Materials, International Institute SCAMT, ITMO University, 9 Lomonosov Str., St. Petersburg, 191002, Russian Federation
| | - Ekaterina D. Grigorieva
- Laboratory of Molecular Robotics and Biosensor Materials, International Institute SCAMT, ITMO University, 9 Lomonosov Str., St. Petersburg, 191002, Russian Federation
| | - Arina V. Peresadina
- Laboratory of Molecular Robotics and Biosensor Materials, International Institute SCAMT, ITMO University, 9 Lomonosov Str., St. Petersburg, 191002, Russian Federation
| | - Dmitry M. Kolpashchikov
- Laboratory of Molecular Robotics and Biosensor Materials, International Institute SCAMT, ITMO University, 9 Lomonosov Str., St. Petersburg, 191002, Russian Federation
- Chemistry Department, University of Central Florida, Orlando, FL 32816-2366, USA
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL 32816, USA
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4
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ElDeeb AA, Zablotskaya SS, Rubel MS, Nour MAY, Kozlovskaya LI, Shtro AA, Komissarov AB, Kolpashchikov DM. Toward a Home Test for COVID 19 Diagnosis: DNA Machine for Amplification-Free SARS-CoV-2 Detection in Clinical Samples. ChemMedChem 2022; 17:e202200382. [PMID: 36031581 PMCID: PMC9538286 DOI: 10.1002/cmdc.202200382] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/26/2022] [Indexed: 11/08/2022]
Abstract
Nucleic acid-based detection of RNA viruses requires annealing procedure to obtain RNA/probe or RNA/primer complexes for unwinding stable structure of folded viral RNA. In this study, we designed a protein enzymes-free nano-construction, names four-armed DNA machine (4DNM), that requires neither amplification stage nor high temperature annealing step for SARS-CoV-2 detection. It uses binary deoxyribozyme (BiDz) sensor incorporated in a DNA nanostructure equipped with total of four RNA-binding arms. Additional arms improved limit of detection at least 10 times. The sensor distinguished SARS-CoV-2 from other respiratory viruses and correctly identified five positive and six negative clinical samples verified by quantitative polymerase chain reaction (RT-qPCR). The strategy reported here can be used for detection of long natural RNA and can become a basis for a point-of-care or home diagnostic test.
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Affiliation(s)
- Ahmed A ElDeeb
- ITMO University: Nacional'nyj issledovatel'skij universitet ITMO, Chemistry and molecular biology, RUSSIAN FEDERATION
| | - Sofia S Zablotskaya
- ITMO University: Nacional'nyj issledovatel'skij universitet ITMO, Chemistry and Molecular Biology, RUSSIAN FEDERATION
| | - Maria S Rubel
- ITMO University: Nacional'nyj issledovatel'skij universitet ITMO, Chemistry and Molecular Biology, RUSSIAN FEDERATION
| | - Moustapha A Y Nour
- ITMO University: Nacional'nyj issledovatel'skij universitet ITMO, Chemistry and Molecular Biology, RUSSIAN FEDERATION
| | - Liubov I Kozlovskaya
- FSBSI Institute of Engineering Science Ural Branch of the Russian Academy of Sciences: FGBUN Institut masinovedenia Ural'skogo otdelenia Rossijskoj akademii nauk, Chemistry and Molecular Biology, RUSSIAN FEDERATION
| | - Anna A Shtro
- Research Institute of Influenza: Naucno-issledovatel'skij institut grippa, diagnostics, RUSSIAN FEDERATION
| | - Andrey B Komissarov
- Research Institute of Influenza: Naucno-issledovatel'skij institut grippa, diagnostics, RUSSIAN FEDERATION
| | - Dmitry M Kolpashchikov
- University of Central Florida, Chemistry, 4000 Central Florida Blvd, P.O. Box 162366, 32816-2366, Orlando, UNITED STATES
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5
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Gerasimova YV, Nedorezova DD, Kolpashchikov DM. Split light up aptamers as a probing tool for nucleic acids. Methods 2021; 197:82-88. [PMID: 33992774 DOI: 10.1016/j.ymeth.2021.05.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 05/02/2021] [Accepted: 05/05/2021] [Indexed: 12/21/2022] Open
Abstract
Aptamers that bind non-fluorescent dyes and increase their fluorescence can be converted to fluorescent sensors. Here, we discuss and provide guidance for the design of split (binary) light up aptameric sensors (SLAS) for nucleic acid analysis. SLAS consist of two RNA or DNA strands and a fluorogenic organic dye added as a buffer component. The two strands hybridize to the analyzed DNA or RNA sequence and form a dye-binding pocket, followed by dye binding, and increase in its fluorescence. SLAS can detect nucleic acids in a cost-efficient label-free format since it does not require conjugation of organic dyes with nucleic acids. SLAS design is preferable over monolith fluorescent sensors due to simpler assay optimization and improved selectivity. RNA-based SLAS can be expressed in cells and used for intracellular monitoring and imaging biological molecules.
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Affiliation(s)
- Yulia V Gerasimova
- University of Central Florida, Chemistry Department, 4111 Libra Drive, Physical Sciences 255, Orlando, FL 32816-2366, United States.
| | - Daria D Nedorezova
- Laboratory of Molecular Robotics and Biosensor Materials, ChemBio Cluster, SCAMT Institute, ITMO University, 9 Lomonosova Str., Saint Petersburg 191002, Russian Federation
| | - Dmitry M Kolpashchikov
- University of Central Florida, Chemistry Department, 4111 Libra Drive, Physical Sciences 255, Orlando, FL 32816-2366, United States; Laboratory of Molecular Robotics and Biosensor Materials, ChemBio Cluster, SCAMT Institute, ITMO University, 9 Lomonosova Str., Saint Petersburg 191002, Russian Federation.
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6
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Kovtunov EA, Shkodenko LA, Goncharova EA, Nedorezova DD, Sidorenko SV, Koshel EI, Kolpashchikov DM. Towards Point of Care Diagnostics: Visual Detection of Meningitis Pathogens Directly from Cerebrospinal Fluid. ChemistrySelect 2020. [DOI: 10.1002/slct.202003869] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Evgeny A. Kovtunov
- Laboratory of Molecular Robotics and Biosensor Materials Chemistry Department SCAMT Institute ITMO University 9 Lomonosova Str. Saint Petersburg 191002 Russian Federation
| | - Liubov A. Shkodenko
- Laboratory of Molecular Robotics and Biosensor Materials Chemistry Department SCAMT Institute ITMO University 9 Lomonosova Str. Saint Petersburg 191002 Russian Federation
| | - Ekaterina A. Goncharova
- Laboratory of Molecular Robotics and Biosensor Materials Chemistry Department SCAMT Institute ITMO University 9 Lomonosova Str. Saint Petersburg 191002 Russian Federation
- Saint-Petersburg Pasteur Institute Mira st.14, St. Petersburg 197101 Russian Federation
| | - Daria D. Nedorezova
- Laboratory of Molecular Robotics and Biosensor Materials Chemistry Department SCAMT Institute ITMO University 9 Lomonosova Str. Saint Petersburg 191002 Russian Federation
| | - Sergey V. Sidorenko
- Department of Medical Microbiology and Molecular Epidemiology Pediatric Research and Clinical Center for Infectious Diseases Saint Petersburg 197022 Russian Federation
- North Western State Medical University named after I.I. Mechnikov Kirochnaya Str. 41, St. Petersburg Russia 191015
| | - Elena I. Koshel
- Laboratory of Molecular Robotics and Biosensor Materials Chemistry Department SCAMT Institute ITMO University 9 Lomonosova Str. Saint Petersburg 191002 Russian Federation
| | - Dmitry M. Kolpashchikov
- Laboratory of Molecular Robotics and Biosensor Materials Chemistry Department SCAMT Institute ITMO University 9 Lomonosova Str. Saint Petersburg 191002 Russian Federation
- University of Central Florida Chemistry Department 4111 Libra Drive, Physical Sciences 255 Orlando FL USA 32816-2366
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7
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Reed AJ, Sapia RJ, Dowis C, Solarez S, Gerasimova YV. Interrogation of highly structured RNA with multicomponent deoxyribozyme probes at ambient temperatures. RNA (NEW YORK, N.Y.) 2020; 26:1882-1890. [PMID: 32859694 PMCID: PMC7668264 DOI: 10.1261/rna.074864.120] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 08/23/2020] [Indexed: 06/11/2023]
Abstract
Molecular analysis of RNA through hybridization with sequence-specific probes is challenging due to the intrinsic ability of RNA molecules to form stable secondary and tertiary structures. To overcome the energy barrier toward the probe-RNA complex formation, the probes are made of artificial nucleotides, which are more expensive than their natural counterparts and may still be inefficient. Here, we propose the use of a multicomponent probe based on an RNA-cleaving deoxyribozyme for the analysis of highly structured RNA targets. Efficient interrogation of two native RNA from Saccharomyces cerevisiae-a transfer RNA (tRNA) and 18S ribosomal RNA (rRNA)-was achieved at ambient temperature. We achieved detection limits of tRNA down to ∼0.3 nM, which is two orders of magnitude lower than that previously reported for molecular beacon probes. Importantly, no probe annealing to the target was required, with the hybridization assay performed at 37°C. Excess of nonspecific targets did not compromise the performance of the probe, and high interrogation efficiency was maintained by the probes even in complex matrices, such as cell lysate. A linear dynamic range of 0.3-150 nM tRNA was demonstrated. The probe can be adapted for differentiation of a single mismatch in the tRNA-probe complex. Therefore, this study opens a venue toward highly selective, sensitive, robust, and inexpensive assays for the interrogation of biological RNA.
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Affiliation(s)
- Adam J Reed
- Chemistry Department, University of Central Florida, Orlando, Florida 32765, USA
| | - Ryan J Sapia
- Chemistry Department, University of Central Florida, Orlando, Florida 32765, USA
| | - Charles Dowis
- Chemistry Department, University of Central Florida, Orlando, Florida 32765, USA
| | - Sheila Solarez
- Chemistry Department, University of Central Florida, Orlando, Florida 32765, USA
| | - Yulia V Gerasimova
- Chemistry Department, University of Central Florida, Orlando, Florida 32765, USA
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8
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Zhuang X, Lee Yu HL, Hsing IM. Toehold probe-based interrogation for haplotype phasing of long nucleic acid strands. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:4185-4190. [PMID: 32785301 DOI: 10.1039/d0ay00946f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
The arrangement of multiple single nucleotide polymorphisms (SNPs) in a gene, called a haplotype phase, is increasingly recognized as critical for accurate determination of disease risk and severity. However, conventional toehold-mediated strand displacement reactions are only able to interrogate SNPs, but not phase them since it is not known whether two SNPs in the same copy of the gene (cis) or in different copies of the same gene (trans) will give the same readout. While the rational introduction of an enzyme enables haplotype phasing, the complicated and stable secondary structure of long, single-stranded DNA sequences at room temperature limits its use. Complex nucleic acid structures make the hybridization of the probes difficult. Thus, we designed a molecular method to reveal the relative positions of SNPs located 1.4 kb apart in two copies of a gene by employing a competitive toehold probes and sink strategy at an elevated temperature. As such, we have successfully differentiated 20 nM of the 10 possible diplotypes in a long DNA target with two SNP sites located 1.4 kb apart within an hour without any additional amplification step. This offers a promising technology for accurate and fast haplotype phasing of SNPs that are over multiple kilobases away from each other.
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Affiliation(s)
- Xinyu Zhuang
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.
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9
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Dhar BC, Reed AJ, Mitra S, Rodriguez Sanchez P, Nedorezova DD, Connelly RP, Rohde KH, Gerasimova YV. Cascade of deoxyribozymes for the colorimetric analysis of drug resistance in Mycobacterium tuberculosis. Biosens Bioelectron 2020; 165:112385. [PMID: 32729510 DOI: 10.1016/j.bios.2020.112385] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Revised: 06/06/2020] [Accepted: 06/09/2020] [Indexed: 02/01/2023]
Abstract
A visual cascade detection system has been applied to the detection and analysis of drug-resistance profile of Mycobacterium tuberculosis complex (MTC), a causative agent of tuberculosis. The cascade system utilizes highly selective split RNA-cleaving deoxyribozyme (sDz) sensors. When activated by a complementary nucleic acid, sDz releases the peroxidase-like deoxyribozyme apoenzyme, which, in complex with a hemin cofactor, catalyzes the color change of the sample's solution. The excellent selectivity of the cascade has allowed for the detection of point mutations in the sequences of the MTC rpoB, katG, and gyrA genes, which are responsible for resistance to rifampin, isoniazid, and fluoroquinolone, respectively. When combined with isothermal nucleic acid sequence based amplification (NASBA), the assay was able to detect amplicons of 16S rRNA and katG mRNA generated from 0.1 pg and 10 pg total RNA taken for NASBA, respectively, in less than 2 h, producing a signal detectable with the naked eye. The proposed assay may become a prototype for point-of-care diagnosis of drug resistant bacteria with visual signal output.
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Affiliation(s)
- Bidhan C Dhar
- Chemistry Department, University of Central Florida, 4111 Libra Dr., Orlando, FL, 32816, USA
| | - Adam J Reed
- Chemistry Department, University of Central Florida, 4111 Libra Dr., Orlando, FL, 32816, USA
| | - Suvra Mitra
- Chemistry Department, University of Central Florida, 4111 Libra Dr., Orlando, FL, 32816, USA
| | | | - Daria D Nedorezova
- Chemistry Department, University of Central Florida, 4111 Libra Dr., Orlando, FL, 32816, USA
| | - Ryan P Connelly
- Chemistry Department, University of Central Florida, 4111 Libra Dr., Orlando, FL, 32816, USA
| | - Kyle H Rohde
- Division of Immunity and Pathogenesis, Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, 6900 Lake Nona Blvd, Orlando, FL, 32827, USA
| | - Yulia V Gerasimova
- Chemistry Department, University of Central Florida, 4111 Libra Dr., Orlando, FL, 32816, USA.
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10
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MVF Sensor Enables Analysis of Nucleic Acids with Stable Secondary Structures. ELECTROANAL 2020. [DOI: 10.1002/elan.201900690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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11
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Improving the sensitivity and selectivity of a DNA probe using graphene oxide-protected and T7 exonuclease-assisted signal amplification. Anal Bioanal Chem 2020; 412:3029-3035. [PMID: 32206848 DOI: 10.1007/s00216-020-02556-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 12/18/2019] [Accepted: 02/27/2020] [Indexed: 12/21/2022]
Abstract
The accurate analysis of single-nucleotide polymorphisms is of great significance for clinical detection and diagnosis. Based on the hybridization hindrance caused by graphene oxide (GO) and hairpin probe, we report a T7 Exo-assisted cyclic amplification technique to distinguish single-base mismatch for highly sensitive and selective detection of mutant-type DNA. When the mutant-type target is completely complementary to the probe, the T7 Exo hydrolyzes the probe and releases the fluorescent molecule from the GO surface, resulting in a fluorescence signal. Conversely, when the wild-type mismatch target is present, the weak hybridization prevents the release of FAM-labeled probe from the GO surface. Therefore, the FAM-labeled probe cannot be degraded efficiently by T7 Exo, and the fluorescence is still quenched by GO. The detection limit of the proposed method can be as low as 34 fM due to the cyclic signal amplification. The experimental results showed that the established method could be used to detect single-nucleotide polymorphisms accurately and sensitively at low cost.
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12
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Connelly RP, Verduzco C, Farnell S, Yishay T, Gerasimova YV. Toward a Rational Approach to Design Split G-Quadruplex Probes. ACS Chem Biol 2019; 14:2701-2712. [PMID: 31599573 DOI: 10.1021/acschembio.9b00634] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Hybridization probes have become an indispensable tool for nucleic acid analysis. Systematic efforts in probe optimization resulted in their improved binding affinity, turn-on ratios, and ability to discriminate single nucleotide substitutions (SNSs). The use of split (or multicomponent) probes is a promising strategy to improve probe selectivity and enable an analysis of folded analytes. Here, we developed criteria for the rational design of a split G-quadruplex (G4) peroxidase-like deoxyribozyme (sPDz) probe that provides a visual output signal. The sPDz probe consists of two DNA strands that hybridize to the abutting positions of a DNA/RNA target and form a G4 structure catalyzing, in the presence of a hemin cofactor, H2O2-mediated oxidation of organic compounds into their colored oxidation products. We have demonstrated that probe design becomes complicated in the case of target sequences containing clusters (two or more) of cytosine residues and developed strategies to overcome the challenges to achieving high signal-to-noise and excellent SNS discrimination. Specifically, to improve selectivity, a conformational constraint that stabilizes the probe's dissociated state is beneficial. If the signal intensity is compromised, introduction of flexible non-nucleotide linkers between the G4-forming and target-recognizing elements of the probe helps to decrease the steric hindrance for G4 PDz formation observed as a signal increase. Varying the modes of G4 core splitting is another instrument for the optimal sPDz design. The suggested algorithm was successfully utilized for the design of the sPDz probe interrogating a fragment of the Influenza A virus genome (subtype H1N1), which can be of practical use for flu diagnostics and surveillance.
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Affiliation(s)
- Ryan P. Connelly
- Department of Chemistry, University of Central Florida, 4111 Libra Drive, Orlando, Florida 32816, United States
| | - Charles Verduzco
- Department of Chemistry, University of Central Florida, 4111 Libra Drive, Orlando, Florida 32816, United States
| | - Serena Farnell
- Department of Chemistry, University of Central Florida, 4111 Libra Drive, Orlando, Florida 32816, United States
| | - Tamar Yishay
- Department of Chemistry, University of Central Florida, 4111 Libra Drive, Orlando, Florida 32816, United States
| | - Yulia V. Gerasimova
- Department of Chemistry, University of Central Florida, 4111 Libra Drive, Orlando, Florida 32816, United States
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13
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Nedorezova DD, Fakhardo AF, Molden TA, Kolpashchikov DM. Deoxyribozyme‐Based DNA Machines for Cancer Therapy. Chembiochem 2019; 21:607-611. [DOI: 10.1002/cbic.201900525] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Indexed: 11/09/2022]
Affiliation(s)
- Daria D. Nedorezova
- Laboratory of Solution Chemistry of Advanced Materials and TechnologiesITMO University 9 Lomonosova Str. St. Petersburg 191002 Russian Federation
| | - Anna F. Fakhardo
- Laboratory of Solution Chemistry of Advanced Materials and TechnologiesITMO University 9 Lomonosova Str. St. Petersburg 191002 Russian Federation
| | - Tatiana A. Molden
- Chemistry DepartmentUniversity of Central Florida Orlando FL 32816-2366 USA
| | - Dmitry M. Kolpashchikov
- Chemistry DepartmentUniversity of Central Florida Orlando FL 32816-2366 USA
- Burnett School of Biomedical SciencesUniversity of Central Florida Orlando FL 32816 USA
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14
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Lynch CA, Foguel MV, Reed AJ, Balcarcel AM, Calvo-Marzal P, Gerasimova YV, Chumbimuni-Torres KY. Selective Determination of Isothermally Amplified Zika Virus RNA Using a Universal DNA-Hairpin Probe in Less than 1 Hour. Anal Chem 2019; 91:13458-13464. [DOI: 10.1021/acs.analchem.9b02455] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Charles A. Lynch
- Department of Chemistry, University of Central Florida, 4000 Central Florida Boulevard, Orlando, Florida 32816, United States
- Rose Hulman Institute of Technology, 5500 Wabash Avenue, Terre Haute, Indiana 47803, United States
| | - Marcos V. Foguel
- Department of Chemistry, University of Central Florida, 4000 Central Florida Boulevard, Orlando, Florida 32816, United States
| | - Adam J. Reed
- Department of Chemistry, University of Central Florida, 4000 Central Florida Boulevard, Orlando, Florida 32816, United States
| | - Angelica M. Balcarcel
- Department of Chemistry, University of Central Florida, 4000 Central Florida Boulevard, Orlando, Florida 32816, United States
| | - Percy Calvo-Marzal
- Department of Chemistry, University of Central Florida, 4000 Central Florida Boulevard, Orlando, Florida 32816, United States
| | - Yulia V. Gerasimova
- Department of Chemistry, University of Central Florida, 4000 Central Florida Boulevard, Orlando, Florida 32816, United States
| | - Karin Y. Chumbimuni-Torres
- Department of Chemistry, University of Central Florida, 4000 Central Florida Boulevard, Orlando, Florida 32816, United States
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15
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Abstract
Hybridization probes are RNA or DNA oligonucleotides or their analogs that bind to specific nucleotide sequences in targeted nucleic acids (analytes) via Watson-Crick base pairs to form probe-analyte hybrids. Formation of a stable hybrid would indicate the presence of a DNA or RNA fragment complementary to the known probe sequence. Some of the well-known technologies that rely on nucleic acid hybridization are TaqMan and molecular beacon (MB) probes, fluorescent in situ hybridization (FISH), polymerase chain reaction (PCR), antisense, siRNA, and CRISPR/cas9, among others. Although invaluable tools for DNA and RNA recognition, hybridization probes suffer from several common disadvantages including low selectivity under physiological conditions, low affinity to folded single-stranded RNA and double-stranded DNA, and high cost of dye-labeled and chemically modified probes. Hybridization probes are evolving into multifunctional molecular devices (dubbed here "multicomponent probes", "DNA machines", and "DNA robots") to satisfy complex and often contradictory requirements of modern biomedical applications. In the definition used here, "multicomponent probes" are DNA probes that use more than one oligonucleotide complementary to an analyzed sequence. A "DNA machine" is an association of a discrete number of DNA strands that undergoes structural rearrangements in response to the presence of a specific analyte. Unlike multicomponent probes, DNA machines unify several functional components in a single association even in the absence of a target. DNA robots are DNA machines equipped with computational (analytic) capabilities. This Account is devoted to an overview of the ongoing evolution of hybridization probes to DNA machines and robots. The Account starts with a brief excursion to historically significant and currently used instantaneous probes. The majority of the text is devoted to the design of (i) multicomponent probes and (ii) DNA machines for nucleic acid recognition and analysis. The fundamental advantage of both designs is their ability to simultaneously address multiple problems of RNA/DNA analysis. This is achieved by modular design, in which several specialized functional components are used simultaneously for recognition of RNA or DNA analytes. The Account is concluded with the analysis of perspectives for further evolution of DNA machines into DNA robots.
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Affiliation(s)
- Dmitry M. Kolpashchikov
- Department of Chemistry, University of Central Florida, 4111 Libra Drive, Physical Sciences
255, Orlando, Florida 32816-2366, United States
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16
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Chen CY, Weng JY, Huang HH, Yen WC, Tsai YH, Cheng TC, Jou R. A new oligonucleotide array for the detection of multidrug and extensively drug-resistance tuberculosis. Sci Rep 2019; 9:4425. [PMID: 30872613 PMCID: PMC6418274 DOI: 10.1038/s41598-019-39339-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Accepted: 01/21/2019] [Indexed: 11/23/2022] Open
Abstract
Drug-resistant tuberculosis (TB) is a global crisis and a threat to health security. Since conventional drug susceptibility testing (DST) takes several weeks, we herein described a molecular assay to rapidly identify multidrug-resistant (MDR) and extensively drug-resistant (XDR) and reveal transmission associated-mutations of Mycobacterium tuberculosis complex (MTBC) isolates in 6 to 7 hours. An array was designed with 12 pairs of primers and 60 single nucleotide polymorphisms of 9 genes: rpoB, katG, inhA, ahpC, embB, rpsL, gyrA, rrs and eis. We assessed the performance of the array using 176 clinical MTBC isolates. The results of culture-based DST were used as the gold standard, the GenoType MTBDRplus and MTBDRsl tests were used for parallel comparison, and gene sequencing was performed to resolve the discordance. The sensitivities and specificities of the array are comparable to those of the MTBDRplus test for resistance to isoniazid (INH) (100.0%, 96.7%) and rifampicin (RIF) (99.4%, 96.7%) and of the MTBDRsl test for resistance to fluoroquinolones (FQs) (100%, 100%) and second-line injectable drugs (SLIDs) (98.3%, 100%). The sensitivities of the array for detecting resistance to ethambutol and streptomycin were 79.3% and 64.9%, respectively. The array has potential as a powerful tool for clinical diagnosis and epidemiological investigations.
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Affiliation(s)
- Ching-Yu Chen
- Tuberculosis Research Center, Centers for Disease Control, Ministry of Health and Welfare, Taipei, 115, Taiwan
| | - Jui-Yun Weng
- Tuberculosis Research Center, Centers for Disease Control, Ministry of Health and Welfare, Taipei, 115, Taiwan
| | - Hsin-Hui Huang
- Department of Medical Laboratory and Biotechnology, National Cheng Kung University, Tainan, 701, Taiwan
| | - Wen-Chun Yen
- Department of Medical Laboratory and Biotechnology, National Cheng Kung University, Tainan, 701, Taiwan
| | - Yu-Han Tsai
- Department of Medical Laboratory and Biotechnology, National Cheng Kung University, Tainan, 701, Taiwan
| | - Tsung Chain Cheng
- Department of Medical Laboratory and Biotechnology, National Cheng Kung University, Tainan, 701, Taiwan
| | - Ruwen Jou
- Tuberculosis Research Center, Centers for Disease Control, Ministry of Health and Welfare, Taipei, 115, Taiwan. .,Institute of Microbiology and Immunology, National Yang-Ming University, Taipei, 112, Taiwan.
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17
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Lapitan LDS, Xu Y, Guo Y, Zhou D. Combining magnetic nanoparticle capture and poly-enzyme nanobead amplification for ultrasensitive detection and discrimination of DNA single nucleotide polymorphisms. NANOSCALE 2019; 11:1195-1204. [PMID: 30601516 DOI: 10.1039/c8nr07641c] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The development of ultrasensitive methods for detecting specific genes and discriminating single nucleotide polymorphisms (SNPs) is important for biomedical research and clinical disease diagnosis. Herein, we report an ultrasensitive approach for label-free detection and discrimination of a full-match target-DNA from its cancer related SNPs by combining magnetic nanoparticle (MNP) capture and poly-enzyme nanobead signal amplification. It uses a MNP linked capture-DNA and a biotinylated signal-DNA to sandwich the target followed by ligation to offer high SNP discrimination: only the perfect-match target-DNA yields a covalently linked biotinylated signal-DNA on the MNP surface for subsequent binding to a neutravidin-horseradish peroxidase conjugate (NAV-HRP) for signal amplification. The use of polymer nanobeads each tagged with thousands of copies of HRPs greatly improves the signal amplification power, allowing for direct, amplification-free quantification of low aM target-DNA over 6 orders of magnitude (0.001-1000 fM). Moreover, this sensor also offers excellent discrimination between the perfect-match gene and its cancer-related SNPs and can positively detect 1 fM perfect-match target-DNA in the presence of 100 fold excess of co-existing single-base mismatch targets. Furthermore, it works robustly in clinically relevant media (e.g. 10% human serum) and gives even higher SNP discrimination than that in clean buffers. This ultrasensitive DNA sensor appears to have excellent potential for rapid detection and diagnosis of genetic diseases.
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Affiliation(s)
- Lorico D S Lapitan
- School of Chemistry and Astbury Centre for Structural Molecular Biology, University of Leeds, Leeds LS2 9JT, UK.
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18
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Lyalina TA, Goncharova EA, Prokofeva NY, Voroshilina ES, Kolpashchikov DM. A DNA minimachine for selective and sensitive detection of DNA. Analyst 2019; 144:416-420. [DOI: 10.1039/c8an02274g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Synthetic molecular machines have been explored to manipulate matter at the molecular level.
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Affiliation(s)
- Tatiana A. Lyalina
- ITMO University
- Laboratory of Solution Chemistry of Advanced Materials and Technologies
- St. Petersburg
- Russian Federation
| | - Ekaterina A. Goncharova
- ITMO University
- Laboratory of Solution Chemistry of Advanced Materials and Technologies
- St. Petersburg
- Russian Federation
| | - Nadezhda Y. Prokofeva
- ITMO University
- Laboratory of Solution Chemistry of Advanced Materials and Technologies
- St. Petersburg
- Russian Federation
| | - Ekaterina S. Voroshilina
- Ural State Medical University
- Department of Microbiology
- Virology and immunology
- Ekaterinburg
- Russian Federation
| | - Dmitry M. Kolpashchikov
- ITMO University
- Laboratory of Solution Chemistry of Advanced Materials and Technologies
- St. Petersburg
- Russian Federation
- Chemistry Department
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19
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Connelly RP, Morozkin ES, Gerasimova YV. Alphanumerical Visual Display Made of DNA Logic Gates for Drug Susceptibility Testing of Pathogens. Chembiochem 2018; 19:203-206. [PMID: 29206338 PMCID: PMC5962014 DOI: 10.1002/cbic.201700626] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Indexed: 11/11/2022]
Abstract
Molecular diagnostics of drug-resistant pathogens require the analysis of point mutations in bacterial or viral genomes, which is usually performed by trained professionals and/or by sophisticated computer algorithms. We have developed a DNA-based logic system that autonomously analyzes mutations found in the genome of Mycobacterium tuberculosis complex (MTC) bacteria and communicates the output to a human user as alphanumeric characters read by the naked eye. The five-gate system displays "O" ("no infection") for the absence of MTC infection and "P" or "F" for passing or failing a drug-susceptibility test, respectively.
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Affiliation(s)
- Ryan P Connelly
- Chemistry Department, University of Central Florida, 4111 Libra Drive, Orlando, FL, 32816, USA
| | - Evgeny S Morozkin
- Chemistry Department, University of Central Florida, 4111 Libra Drive, Orlando, FL, 32816, USA
| | - Yulia V Gerasimova
- Chemistry Department, University of Central Florida, 4111 Libra Drive, Orlando, FL, 32816, USA
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20
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Simultaneous detections of genetic fragment and single nucleotide mutation with a three-tiered output for tuberculosis diagnosis. Anal Chim Acta 2017; 1007:1-9. [PMID: 29405982 DOI: 10.1016/j.aca.2017.12.028] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 11/30/2017] [Accepted: 12/11/2017] [Indexed: 01/08/2023]
Abstract
Tuberculosis (TB) remains one of the major infectious diseases worldwide. The pathogenic bacterium, Mycobacterium tuberculosis (M.tb), continuously evolves strains carrying drug-resistance genes, thus posing a growing challenge to TB prevention and treatment. We report a diagnostic system that uses a molecular beacon probe and an assistant strand as the core to simultaneously interact with an M.tb-specific fragment (in IS6110) and a single nucleotide substitution (SNS)-encoded segment (in rpoB) associated with drug resistance. A single fluorescent output in three-tiered levels was produced for combinatorial interpretations based on formation of a four-way DNA junction (4WJ). The SNS caused the 4WJ to partially dissociate, thus resulting in medium-level fluorescence. By contrast, high- and low-level fluorescence, represented the complete complementary complex and absence of either targeted fragments, respectively. Manipulating the length of the analyte-binding arm realized the medium output. The thermodynamics and kinetics of 4WJ construction were investigated to maximize the tiered-output performance. Biocatalytic amplification driven by the Klenow Fragment and Nt.AlwI was incorporated into the method to enhance the signal 64-fold and ensure long-term stability of the three-tiered output. The detection accuracy of the sensing system was verified using unpurified amplicons with templates of extracted DNA and boiled bacterial solutions. The tiered-output mechanism was usable at bacterial loads ranging from 4 × 100 to 4 × 103 CFU per reaction. The interference caused by nontuberculous mycobacteria was minimal. The results demonstrated the integrity of the sensing method as an alternative strategy for rapid screening of M.tb and detecting rifampin-resistance.
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21
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Giamblanco N, Petralia S, Conoci S, Messineo C, Marletta G. Ionic strength-controlled hybridization and stability of hybrids of KRAS DNA single-nucleotides: A surface plasmon resonance study. Colloids Surf B Biointerfaces 2017; 158:41-46. [PMID: 28662393 DOI: 10.1016/j.colsurfb.2017.06.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2017] [Revised: 06/17/2017] [Accepted: 06/19/2017] [Indexed: 11/25/2022]
Abstract
The discrimination of a fully matched, unlabeled KRAS wild-type (WT) (C-G) target sample with respect to three of the most frequent KRAS codon mutations (G12 S (C-A), G12 R (C-C), G12C (C-T)) was investigated using an optimized detection strategy involving surface plasmon resonance (SPR), based on optimized probe-surface density and ionic strength control. The changes observed in the SPR signal were always larger for WT compared with the single-mismatch target DNA oligonucleotides, and were aligned with the theoretical energy differences between the base pair C-G, C-T, C-A, C-C. Hybridization rates of ∼106M-1s-1 were detected without the introduction of high temperature and labels, usually needed in conventional hybridization methods. One hundred percent mutation discrimination of the matched KRAS wild-type (C-G) sequence with respect to three mismatched G12C (C-T), G12 S (C-A), G12 R (C-C) target sequences was achieved.
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Affiliation(s)
- N Giamblanco
- Dept. of Chemical Sciences, University of Catania, Viale A. Doria 6 - 95129 Catania, Italy.
| | - S Petralia
- STMicroelectronics, Stradale Primosole 50, 95121 Catania, Italy
| | - S Conoci
- STMicroelectronics, Stradale Primosole 50, 95121 Catania, Italy.
| | - C Messineo
- Dept. of Chemical Sciences, University of Catania, Viale A. Doria 6 - 95129 Catania, Italy
| | - G Marletta
- Dept. of Chemical Sciences, University of Catania, Viale A. Doria 6 - 95129 Catania, Italy
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22
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Mills DM, Calvo-Marzal P, Pinzon JM, Armas S, Kolpashchikov DM, Chumbimuni-Torres KY. A Single Electrochemical Probe Used for Analysis of Multiple Nucleic Acid Sequences. ELECTROANAL 2017; 29:873-879. [PMID: 29371782 PMCID: PMC5777621 DOI: 10.1002/elan.201600548] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Accepted: 10/27/2016] [Indexed: 01/28/2023]
Abstract
Electrochemical hybridization sensors have been explored extensively for analysis of specific nucleic acids. However, commercialization of the platform is hindered by the need for attachment of separate oligonucleotide probes complementary to a RNA or DNA target to an electrode's surface. Here we demonstrate that a single probe can be used to analyze several nucleic acid targets with high selectivity and low cost. The universal electrochemical four-way junction (4J)-forming (UE4J) sensor consists of a universal DNA stem-loop (USL) probe attached to the electrode's surface and two adaptor strands (m and f) which hybridize to the USL probe and the analyte to form a 4J associate. The m adaptor strand was conjugated with a methylene blue redox marker for signal ON sensing and monitored using square wave voltammetry. We demonstrated that a single sensor can be used for detection of several different DNA/RNA sequences and can be regenerated in 30 seconds by a simple water rinse. The UE4J sensor enables a high selectivity by recognition of a single base substitution, even at room temperature. The UE4J sensor opens a venue for a re-useable universal platform that can be adopted at low cost for the analysis of DNA or RNA targets.
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Affiliation(s)
- Dawn M. Mills
- Department of Chemistry, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, United States
| | - Percy Calvo-Marzal
- Department of Chemistry, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, United States
| | - Jeffer M. Pinzon
- Department of Chemistry, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, United States
| | - Stephanie Armas
- Department of Chemistry, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, United States
| | - Dmitry M. Kolpashchikov
- Department of Chemistry, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, United States
- National Center for Forensic Science, University of Central Florida, Orlando, FL 32816, United States
- Burnett School of Biomedical Science, University of Central Florida, Orlando, FL 32816, United States
| | - Karin Y. Chumbimuni-Torres
- Department of Chemistry, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, United States
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23
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Cox AJ, Bengtson HN, Rohde KH, Kolpashchikov DM. DNA nanotechnology for nucleic acid analysis: multifunctional molecular DNA machine for RNA detection. Chem Commun (Camb) 2016; 52:14318-14321. [PMID: 27886299 PMCID: PMC5645153 DOI: 10.1039/c6cc06889h] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The Nobel prize in chemistry in 2016 was awarded for 'the design and synthesis of molecular machines'. Here we designed and assembled a molecular machine for the detection of specific RNA molecules. An association of several DNA strands, named multifunctional DNA machine for RNA analysis (MDMR1), was designed to (i) unwind RNA with the help of RNA-binding arms, (ii) selectively recognize a targeted RNA fragment, (iii) attract a signal-producing substrate and (iv) amplify the fluorescent signal by catalysis. MDMR1 enabled detection of 16S rRNA at concentrations ∼24 times lower than that by a traditional deoxyribozyme probe.
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Affiliation(s)
- A J Cox
- Chemistry Department, University of Central Florida, Orlando, 32816, Florida, USA and Burnett School of Biomedical Sciences, University of Central Florida, Orlando, 32816, Florida, USA.
| | - H N Bengtson
- Chemistry Department, University of Central Florida, Orlando, 32816, Florida, USA and Burnett School of Biomedical Sciences, University of Central Florida, Orlando, 32816, Florida, USA.
| | - K H Rohde
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, 32816, Florida, USA.
| | - D M Kolpashchikov
- Chemistry Department, University of Central Florida, Orlando, 32816, Florida, USA and Burnett School of Biomedical Sciences, University of Central Florida, Orlando, 32816, Florida, USA.
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24
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Stancescu M, Fedotova TA, Hooyberghs J, Balaeff A, Kolpashchikov DM. Nonequilibrium Hybridization Enables Discrimination of a Point Mutation within 5-40 °C. J Am Chem Soc 2016; 138:13465-13468. [PMID: 27681667 PMCID: PMC5645261 DOI: 10.1021/jacs.6b05628] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Detection of point mutations and single nucleotide polymorphisms in DNA and RNA has a growing importance in biology, biotechnology, and medicine. For the application at hand, hybridization assays are often used. Traditionally, they differentiate point mutations only at elevated temperatures (>40 °C) and in narrow intervals (ΔT = 1-10 °C). The current study demonstrates that a specially designed multistranded DNA probe can differentiate point mutations in the range of 5-40 °C. This unprecedentedly broad ambient-temperature range is enabled by a controlled combination of (i) nonequilibrium hybridization conditions and (ii) a mismatch-induced increase of equilibration time in respect to that of a fully matched complex, which we dub "kinetic inversion".
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Affiliation(s)
- Maria Stancescu
- Chemistry Department, University of Central Florida, Orlando, Florida 32816, United States
| | - Tatiana A. Fedotova
- Chemistry Department, University of Central Florida, Orlando, Florida 32816, United States
| | - Jef Hooyberghs
- Flemish Institute for Technological Research, VITO, Boeretang 200, Mol B-2400, Belgium
- Theoretical Physics, Hasselt University, Campus Diepenbeek, Agoralaan - Building D, Diepenbeek B-3590, Belgium
| | - Alexander Balaeff
- NanoScience Technology Center, 12424 Research Parkway, Suite 400, Orlando, Florida 32826, United States
| | - Dmitry M. Kolpashchikov
- Chemistry Department, University of Central Florida, Orlando, Florida 32816, United States
- National Center for Forensic Science and Burnett School of Biomedical Sciences, University of Central Florida, Orlando, Florida 32816, United States
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25
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Wei B, Zhang T, Ou X, Li X, Lou X, Xia F. Stereochemistry-Guided DNA Probe for Single Nucleotide Polymorphisms Analysis. ACS APPLIED MATERIALS & INTERFACES 2016; 8:15911-15916. [PMID: 27246659 DOI: 10.1021/acsami.6b03896] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Single nucleotide polymorphisms (SNPs) are the most abundant genetic polymorphisms and are responsible for many genetic diseases and cancers. In general, SNPs detection is performed by a single probe system (SPS), in which a single probe specifically hybridizes to one target. However, with the use of this method it is hard to improve the hybridization specificity and single mismatched discrimination factors (DF). In addition, the multiprobe system (MPS) requires complex probe designs and introduces at least one auxiliary probe except for the probe complementary to the target, resulting in a complicated detection system. Faced with these difficulties, we perform the SNP detection using a d/l-tryptophan (Trp) guided DNA probe and regulate the DF of electrochemical DNA (E-DNA) sensors by molecular chirality. We show that the DF of the d-Trp incubated E-DNA sensor (d-sensor) is larger than that of the l-sensor. More importantly, we achieve the high specificity by coupling d-Trp and l-Trp incubated E-DNA sensors, and the median DF is 7.21. Furthermore, the specificity of SNP detection can be further improved by supersandwich assay, and the median DF is enlarged to 37.23, which is comparable to that obtained with a multiprobe detection system.
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Affiliation(s)
- Benmei Wei
- Faculty of Material Science and Chemistry, China University of Geosciences , Wuhan 430074, China
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology , Wuhan 430074, China
| | - Tianchi Zhang
- Faculty of Material Science and Chemistry, China University of Geosciences , Wuhan 430074, China
| | - Xiaowen Ou
- Faculty of Material Science and Chemistry, China University of Geosciences , Wuhan 430074, China
| | - Xinchun Li
- Faculty of Material Science and Chemistry, China University of Geosciences , Wuhan 430074, China
| | - Xiaoding Lou
- Faculty of Material Science and Chemistry, China University of Geosciences , Wuhan 430074, China
| | - Fan Xia
- Faculty of Material Science and Chemistry, China University of Geosciences , Wuhan 430074, China
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology , Wuhan 430074, China
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26
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Li T, Xu X, Zhang G, Lin R, Chen Y, Li C, Liu F, Li N. Nonamplification Sandwich Assay Platform for Sensitive Nucleic Acid Detection Based on AuNPs Enumeration with the Dark-Field Microscope. Anal Chem 2016; 88:4188-91. [DOI: 10.1021/acs.analchem.6b00535] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Tian Li
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory
of Bioorganic Chemistry and Molecular Engineering of Ministry of Education,
Institute of Analytical Chemistry, College of Chemistry and Molecular
Engineering, Peking University, Beijing, 100871, China
| | - Xiao Xu
- Division of Nano Metrology and Materials
Measurement, National Institute of Metrology, Beijing, 100029, China
| | - Guoqing Zhang
- Suzhou Nanomicro Technology Company Limited, Suzhou, Jiangsu 215123, China
| | - Ruoyun Lin
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory
of Bioorganic Chemistry and Molecular Engineering of Ministry of Education,
Institute of Analytical Chemistry, College of Chemistry and Molecular
Engineering, Peking University, Beijing, 100871, China
| | - Yang Chen
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory
of Bioorganic Chemistry and Molecular Engineering of Ministry of Education,
Institute of Analytical Chemistry, College of Chemistry and Molecular
Engineering, Peking University, Beijing, 100871, China
| | - Chenxi Li
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory
of Bioorganic Chemistry and Molecular Engineering of Ministry of Education,
Institute of Analytical Chemistry, College of Chemistry and Molecular
Engineering, Peking University, Beijing, 100871, China
| | - Feng Liu
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory
of Bioorganic Chemistry and Molecular Engineering of Ministry of Education,
Institute of Analytical Chemistry, College of Chemistry and Molecular
Engineering, Peking University, Beijing, 100871, China
| | - Na Li
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory
of Bioorganic Chemistry and Molecular Engineering of Ministry of Education,
Institute of Analytical Chemistry, College of Chemistry and Molecular
Engineering, Peking University, Beijing, 100871, China
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27
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Huang J, Wang Z, Kim JK, Su X, Li Z. Detecting Arbitrary DNA Mutations Using Graphene Oxide and Ethidium Bromide. Anal Chem 2015; 87:12254-61. [DOI: 10.1021/acs.analchem.5b03369] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Jiahao Huang
- Department
of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Zhenyu Wang
- Department
of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Jang-Kyo Kim
- Department
of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Xuefen Su
- School of Public
Health and Primary Care, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong,
Shatin, New Territories, Hong Kong
| | - Zhigang Li
- Department
of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
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28
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Tateishi-Karimata H, Nakano M, Pramanik S, Tanaka S, Sugimoto N. i-Motifs are more stable than G-quadruplexes in a hydrated ionic liquid. Chem Commun (Camb) 2015; 51:6909-12. [PMID: 25738708 DOI: 10.1039/c5cc00666j] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Thermodynamic analyses and molecular dynamics calculations demonstrated that i-motifs in a hydrated ionic liquid of choline dihydrogen phosphate (choline dhp) were more stable than G-quadruplexes due to choline ion binding to loop regions in the i-motifs. Interestingly, the i-motifs formed even at physiological pH in the choline dhp-containing solution.
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Affiliation(s)
- Hisae Tateishi-Karimata
- Frontier Institute for Biomolecular Engineering Research (FIBER), Konan University, 7-1-20 Minatojima-minamachi, Kobe 650-0047, Japan
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29
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Wu T, Xiao X, Zhang Z, Zhao M. Enzyme-mediated single-nucleotide variation detection at room temperature with high discrimination factor. Chem Sci 2015; 6:1206-1211. [PMID: 29560206 PMCID: PMC5811150 DOI: 10.1039/c4sc03375b] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Accepted: 11/06/2014] [Indexed: 12/22/2022] Open
Abstract
We demonstrate a new powerful tool to detect single-nucleotide variation in DNA at room temperature with high selectivity, based on predetermined specific interactions between Lambda exonuclease and a chemically modified DNA substrate structure which comprises two purposefully introduced mismatches and a covalently attached fluorophore. The fluorophore not only acts as a signal reporter in the detection system, but also plays a notable role in the specific molecular recognition between the enzyme and the probe/target hybrid substrate. The method is single-step, rapid, and can be easily adapted to different high-throughput micro-devices without the need for temperature control.
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Affiliation(s)
- Tongbo Wu
- Beijing National Laboratory for Molecular Sciences , MOE Key Laboratory of Bioorganic Chemistry and Molecular Engineering , College of Chemistry and Molecular Engineering , Peking University , Beijing 100871 , China .
| | - Xianjin Xiao
- Beijing National Laboratory for Molecular Sciences , MOE Key Laboratory of Bioorganic Chemistry and Molecular Engineering , College of Chemistry and Molecular Engineering , Peking University , Beijing 100871 , China .
| | - Zhe Zhang
- Beijing National Laboratory for Molecular Sciences , MOE Key Laboratory of Bioorganic Chemistry and Molecular Engineering , College of Chemistry and Molecular Engineering , Peking University , Beijing 100871 , China .
| | - Meiping Zhao
- Beijing National Laboratory for Molecular Sciences , MOE Key Laboratory of Bioorganic Chemistry and Molecular Engineering , College of Chemistry and Molecular Engineering , Peking University , Beijing 100871 , China .
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30
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Song T, Xiao S, Yao D, Huang F, Hu M, Liang H. An efficient DNA-fueled molecular machine for the discrimination of single-base changes. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2014; 26:6181-5. [PMID: 25066311 DOI: 10.1002/adma.201402314] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2014] [Indexed: 05/18/2023]
Abstract
A new strategy for single-base polymorphism (SNP) detection based on the assembly of DNA-AuNPs (gold nanoparticles) driven by a DNA-fueled molecular machine, is established and optimized. It is highly efficient, works at room temperature, and is easy to handle. A single-base change on an oligonucleotide strand is unambiguously discriminated for either SNPs or insertions and deletions (indels). The strategy is demonstrated to detect a mutation in the breast cancer gene BRCA1 in homogeneous solution at room temperature.
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Affiliation(s)
- Tingjie Song
- CAS Key Laboratory of Soft Matter Chemistry, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, PR China
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31
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Knez K, Spasic D, Janssen KPF, Lammertyn J. Emerging technologies for hybridization based single nucleotide polymorphism detection. Analyst 2014; 139:353-70. [PMID: 24298558 DOI: 10.1039/c3an01436c] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Detection of single nucleotide polymorphisms (SNPs) is a crucial challenge in the development of a novel generation of diagnostic tools. Accurate detection of SNPs can prove elusive, as the impact of a single variable nucleotide on the properties of a target sequence is limited, even if this sequence consists of only a few nucleotides. New, accurate and facile strategies for the detection of point mutations are therefore absolutely necessary for the increased adoption of point-of-care molecular diagnostics. Currently, PCR and sequencing are mostly applied for diagnosing SNPs. However these methods have serious drawbacks as routine diagnostic tools because of their labour intensity and cost. Several new, more suitable methods can be applied to enable sensitive detection of mutations based on specially designed hybridization probes, mutation recognizing enzymes and thermal denaturation. Here, an overview is presented of the most recent advances in the field of fast and sensitive SNP detection assays with strong potential for integration in point-of-care tests.
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Affiliation(s)
- Karel Knez
- KU Leuven, BIOSYST-MeBioS, Willem de Croylaan 42, Leuven, Belgium.
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32
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Wu X, Chen J, Zhao JX. Ultrasensitive detection of 3′-5′ exonuclease enzymatic activity using molecular beacons. Analyst 2014; 139:1081-7. [DOI: 10.1039/c3an02040a] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
An ultrasensitive and rapid fluorescence assay was developed for the detection of 3′-5′ exonuclease activity using molecular beacons.
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Affiliation(s)
- Xu Wu
- Department of Chemistry
- University of North Dakota
- Grand Forks, USA
| | - Jiao Chen
- Department of Chemistry
- University of North Dakota
- Grand Forks, USA
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33
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Cornett EM, O’Steen MR, Kolpashchikov DM. Operating Cooperatively (OC) sensor for highly specific recognition of nucleic acids. PLoS One 2013; 8:e55919. [PMID: 23441157 PMCID: PMC3575382 DOI: 10.1371/journal.pone.0055919] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2012] [Accepted: 01/03/2013] [Indexed: 11/18/2022] Open
Abstract
Molecular Beacon (MB) probes have been extensively used for nucleic acid analysis because of their ability to produce fluorescent signal in solution instantly after hybridization. The indirect binding of MB probe to a target analyte offers several advantages, including: improved genotyping accuracy and the possibility to analyse folded nucleic acids. Here we report on a new design for MB-based sensor, called ‘Operating Cooperatively’ (OC), which takes advantage of indirect binding of MB probe to a target analyte. The sensor consists of two unmodified DNA strands, which hybridize to a universal MB probe and a nucleic acid analyte to form a fluorescent complex. OC sensors were designed to analyze two human SNPs and E.coli 16S rRNA. High specificity of the approach was demonstrated by the detection of true analyte in over 100 times excess amount of single base substituted analytes. Taking into account the flexibility in the design and the simplicity in optimization, we conclude that OC sensors may become versatile and efficient tools for instant DNA and RNA analysis in homogeneous solution.
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Affiliation(s)
- Evan M. Cornett
- Chemistry Department, College of Sciences, University of Central Florida, Orlando, Florida, United States of America
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida, United States of America
| | - Martin R. O’Steen
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida, United States of America
| | - Dmitry M. Kolpashchikov
- Chemistry Department, College of Sciences, University of Central Florida, Orlando, Florida, United States of America
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida, United States of America
- * E-mail:
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34
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Abstract
Analysis of single-nucleotide polymorphisms (SNPs) is important for diagnosis of infectious and genetic diseases, for environment and population studies, as well as in forensic applications. Herein is a detailed description to design an "operating cooperatively" (OC) sensor for highly specific SNP analysis. OC sensors use two unmodified DNA adaptor strands and a molecular beacon probe to detect a nucleic acid targets with exceptional specificity towards SNPs. Genotyping can be accomplished at room temperature in a homogenous assay. The approach is easily adaptable for any nucleic acid target, and has been successfully used for analysis of targets with complex secondary structures. Additionally, OC sensors are an easy-to-design and cost-effective method for SNP analysis and nucleic acid detection.
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35
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Gerasimova YV, Ballantyne J, Kolpashchikov DM. Detection of SNP-containing human DNA sequences using a split sensor with a universal molecular beacon reporter. Methods Mol Biol 2013; 1039:69-80. [PMID: 24026686 DOI: 10.1007/978-1-62703-535-4_5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Hybridization-based techniques have been extensively employed for the analysis of specific DNA/RNA sequences. Herein, we describe highly specific inexpensive smart hybridization-based sensor that takes advantage of a universal molecular beacon probe as a fluorescent reporter. The sensor has a straightforward design, and demonstrates improved selectivity and specificity of nucleic acid recognition. It is cost-efficient since it utilizes the same molecular beacon probe for the analysis of many nucleic acid sequences.
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Affiliation(s)
- Yulia V Gerasimova
- Department of Chemistry, University of Central Florida, Orlando, FL, USA
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36
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Kolpashchikov DM. An elegant biosensor molecular beacon probe: challenges and recent solutions. SCIENTIFICA 2012; 2012:928783. [PMID: 24278758 PMCID: PMC3820487 DOI: 10.6064/2012/928783] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2012] [Accepted: 09/10/2012] [Indexed: 05/02/2023]
Abstract
Molecular beacon (MB) probes are fluorophore- and quencher-labeled short synthetic DNAs folded in a stem-loop shape. Since the first report by Tyagi and Kramer, it has become a widely accepted tool for nucleic acid analysis and triggered a cascade of related developments in the field of molecular sensing. The unprecedented success of MB probes stems from their ability to detect specific DNA or RNA sequences immediately after hybridization with no need to wash out the unbound probe (instantaneous format). Importantly, the hairpin structure of the probe is responsible for both the low fluorescent background and improved selectivity. Furthermore, the signal is generated in a reversible manner; thus, if the analyte is removed, the signal is reduced to the background. This paper highlights the advantages of MB probes and discusses the approaches that address the challenges in MB probe design. Variations of MB-based assays tackle the problem of stem invasion, improve SNP genotyping and signal-to-noise ratio, as well as address the challenges of detecting folded RNA and DNA.
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Affiliation(s)
- Dmitry M. Kolpashchikov
- Chemistry Department, University of Central Florida, 4000 Central Florida Boulevard, Orlando, FL 32816-2366, USA
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37
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Gerasimova YV, Kolpashchikov DM. Detection of bacterial 16S rRNA using a molecular beacon-based X sensor. Biosens Bioelectron 2012; 41:386-90. [PMID: 23021850 DOI: 10.1016/j.bios.2012.08.058] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2012] [Revised: 08/28/2012] [Accepted: 08/30/2012] [Indexed: 01/14/2023]
Abstract
We demonstrate how a long structurally constrained RNA can be analyzed in homogeneous solution at ambient temperatures with high specificity using a sophisticated biosensor. The sensor consists of a molecular beacon probe as a signal reporter and two DNA adaptor strands, which have fragments complementary to the reporter and to the analyzed RNA. One adaptor strand uses its long RNA-binding arm to unwind the RNA secondary structure. Second adaptor strand with a short RNA-binding arm hybridizes only to a completely complementary site, thus providing high recognition specificity. Overall the three-component sensor and the target RNA form a four-stranded DNA crossover (X) structure. Using this sensor, Escherichia coli16S rRNA was detected in real time with the detection limit of ~0.17 nM. The high specificity of the analysis was proven by differentiating Bacillus subtilis from E. coli 16S rRNA sequences. The sensor responds to the presence of the analyte within seconds.
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Affiliation(s)
- Yulia V Gerasimova
- Chemistry Department, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, USA.
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38
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Cornett EM, Campbell EA, Gulenay G, Peterson E, Bhaskar N, Kolpashchikov DM. Molecular logic gates for DNA analysis: detection of rifampin resistance in M. tuberculosis DNA. Angew Chem Int Ed Engl 2012; 51:9075-7. [PMID: 22888076 PMCID: PMC3517149 DOI: 10.1002/anie.201203708] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2012] [Indexed: 02/06/2023]
Abstract
Elementary, Dr. Watson! A combination of YES and OR logic gates was applied to differentiate between DNA sequences of wild-type and rifampin-resistant (Rif(r)) Mycobacterium tuberculosis (Mtb) in a multiplex real-time fluorescent assay.
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Affiliation(s)
- Evan M Cornett
- Chemistry Department, University of Central Florida, Orlando, FL 32816, USA
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39
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Visual detection of rpoB mutations in rifampin-resistant Mycobacterium tuberculosis strains by use of an asymmetrically split peroxidase DNAzyme. J Clin Microbiol 2012; 50:3443-50. [PMID: 22875898 DOI: 10.1128/jcm.01292-12] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Multidrug-resistant Mycobacterium tuberculosis is resistant to two first-line antituberculosis drugs, isoniazid and rifampin, resulting in the relapse of tuberculosis. M. tuberculosis grows very slowly, and thus traditional examination methods take time to test its drug resistance and cannot meet clinical needs. The use of a DNA probe makes it possible to test rifampin resistance. We developed an asymmetrical split-assembly DNA peroxidase assay to detect drug-resistant mutation of rifampin-resistant M. tuberculosis in the rpoB gene rapidly and visibly. A new strategy was also designed to eliminate the adverse effects caused by the complicated secondary structure of the target DNA and to improve the efficiency of the probes. This detection system consists of five group detections, covers rifampin-resistant determination region of the rpoB gene, and tests 40 kinds of mutations, including the most common mutations at codons 531 and 526. Every group detection or individual mutant allele detection can distinguish corresponding mutant DNA sequences from the wild-type DNA sequences.
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40
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Cornett EM, Campbell EA, Gulenay G, Peterson E, Bhaskar N, Kolpashchikov DM. Molecular Logic Gates for DNA Analysis: Detection of Rifampin Resistance in M. tuberculosis DNA. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201203708] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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41
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Kundu LM, Tsukada H, Matsuoka Y, Kanayama N, Takarada T, Maeda M. Estimation of binding constants of peptide nucleic acid and secondary-structured DNA by affinity capillary electrophoresis. Anal Chem 2012; 84:5204-9. [PMID: 22624952 DOI: 10.1021/ac301025m] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
An affinity capillary electrophoresis method was developed to determine a binding constant between a peptide nucleic acid (PNA) and a hairpin-structured DNA. A diblock copolymer composed of PNA and polyethylene glycol (PEG) was synthesized as a novel affinity probe. The base sequence of the probe's PNA segment was complementary to a hairpin-structured region of a 60-base single-stranded DNA (ssDNA). Upon applying a voltage, the DNA hairpin migrated slowly compared to a random sequence ssDNA in the presence of the PNA probe. This retardation was induced by strand invasion of the PNA into the DNA hairpin to form a hybridized complex, where the PEG segment received a large amount of hydrodynamic friction during electrophoresis. The binding constant between the PNA probe and the DNA hairpin was easily determined by mobility analysis. This simple method would be potentially beneficial in studying binding behaviors of various artificial nucleotides to natural DNA or RNA.
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Affiliation(s)
- Lal Mohan Kundu
- Bioengineering Laboratory, RIKEN Advanced Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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42
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Li J, Qi XJ, Du YY, Fu HE, Chen GN, Yang HH. Efficient detection of secondary structure folded nucleic acids related to Alzheimer's disease based on junction probes. Biosens Bioelectron 2012; 36:142-6. [PMID: 22560436 DOI: 10.1016/j.bios.2012.04.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2011] [Revised: 03/15/2012] [Accepted: 04/09/2012] [Indexed: 11/28/2022]
Abstract
Single stranded DNA often forms stable secondary structures under physiological conditions. These DNA secondary structures play important physiological roles. However, the analysis of such secondary structure folded DNA is often complicated because of its high thermodynamic stability and slow hybridization kinetics. In this article, we demonstrate that Y-shaped junction probes could be used for rapid and highly efficient detection of secondary structure folded DNA. Our approach contained a molecular beacon (MB) probe and an assistant probe. In the absence of target, the MB probe failed to hybridize with the assistant probe. Whereas, the MB probe and the assistant probe could cooperatively unwind the secondary structure folded DNA target to form a ternary Y-shaped junction structure. In this condition, the MB probe was also opened, resulting in separating the fluorophores from the quenching moiety and emitting the fluorescence signal. This approach allowed for the highly sensitive detection of secondary structure folded DNA target, such as a tau specific DNA fragment related to Alzheimer's disease in this case. Additionally, this approach showed strong SNPs identifying capability. Furthermore, it was noteworthy that this newly proposed approach was capable of detecting secondary structure folded DNA target in cell lysate samples.
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Affiliation(s)
- Juan Li
- The Key Laboratory of Analysis and Detection Technology for Food Safety of the MOE, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, PR China
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43
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Loakes D. Nucleotides and nucleic acids; oligo- and polynucleotides. ORGANOPHOSPHORUS CHEMISTRY 2012. [DOI: 10.1039/9781849734875-00169] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- David Loakes
- Medical Research Council Laboratory of Molecular Biology, Hills Road Cambridge CB2 2QH UK
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44
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Guo Y, Wang H, Sun Y, Qu B. A disulfide bound-molecular beacon as a fluorescent probe for the detection of reduced glutathione and its application in cells. Chem Commun (Camb) 2012; 48:3221-3. [DOI: 10.1039/c2cc17552e] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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45
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Kolpashchikov DM, Gerasimova YV, Khan MS. DNA nanotechnology for nucleic acid analysis: DX motif-based sensor. Chembiochem 2011; 12:2564-7. [PMID: 22006680 PMCID: PMC3221779 DOI: 10.1002/cbic.201100545] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2011] [Indexed: 11/09/2022]
Abstract
A light on the tiles: A sensor that fluoresces in the presence of specific nucleic acids was designed and characterized. The sensor uses a molecular beacon probe and three adaptor strands to form a five-stranded assembly, a DX-tile, with a specific analyte. This sensor is a highly selective and affordable tool for the real-time analysis of DNA and RNA.
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46
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Nguyen C, Grimes J, Gerasimova YV, Kolpashchikov DM. Molecular-beacon-based tricomponent probe for SNP analysis in folded nucleic acids. Chemistry 2011; 17:13052-8. [PMID: 21956816 PMCID: PMC3221966 DOI: 10.1002/chem.201101987] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2011] [Indexed: 01/13/2023]
Abstract
Hybridization probes are often inefficient in the analysis of single-stranded DNA or RNA that are folded in stable secondary structures. A molecular beacon (MB) probe is a short DNA hairpin with a fluorophore and a quencher attached to opposite sides of the oligonucleotide. The probe is widely used in real-time analysis of specific DNA and RNA sequences. This study demonstrates how a conventional MB probe can be used for the analysis of nucleic acids that form very stable (T(m) > 80 °C) hairpin structures. Here we demonstrate that the MB probe is not efficient in direct analysis of secondary structure-folded analytes, whereas a MB-based tricomponent probe is suitable for these purposes. The tricomponent probe takes advantage of two oligonucleotide adaptor strands f and m. Each adaptor strand contains a fragment complementary to the analyte and a fragment complementary to a MB probe. In the presence of a specific analyte, the two adaptor strands hybridize to the analyte and the MB probe, thus forming a quadripartite complex. DNA strand f binds to the analyte with high affinity and unwinds its secondary structure. Strand m forms a stable complex only with the fully complementary analyte. The MB probe fluorescently reports the formation of the quadripartite associate. It was demonstrated that the DNA analytes folded in hairpin structures with stems containing 5, 6, 7, 8, 9, 11, or 13 base pairs can be detected in real time with the limit of detection (LOD) lying in the nanomolar range. The stability of the stem region in the DNA analyte did not affect the LOD. Analytes containing single base substitutions in the stem or in the loop positions were discriminated from the fully complementary DNA at room temperature. The tricomponent probe promises to simplify nucleic acid analysis at ambient temperatures in such applications as in vivo RNA monitoring, detection of pathogens, and single nucleotide polymorphism (SNP) genotyping by DNA microarrays.
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Affiliation(s)
- Camha Nguyen
- Camha Nguyen, Jeffrey Grimes, Dr. Y. V. Gerasimova, Dr. D. M. Kolpashchikov Chemistry Department University of Central Florida 4000 Central Florida Blvd., Orlando, FL 32816, USA
| | - Jeffrey Grimes
- Camha Nguyen, Jeffrey Grimes, Dr. Y. V. Gerasimova, Dr. D. M. Kolpashchikov Chemistry Department University of Central Florida 4000 Central Florida Blvd., Orlando, FL 32816, USA
| | - Yulia V. Gerasimova
- Camha Nguyen, Jeffrey Grimes, Dr. Y. V. Gerasimova, Dr. D. M. Kolpashchikov Chemistry Department University of Central Florida 4000 Central Florida Blvd., Orlando, FL 32816, USA
| | - Dmitry M. Kolpashchikov
- Camha Nguyen, Jeffrey Grimes, Dr. Y. V. Gerasimova, Dr. D. M. Kolpashchikov Chemistry Department University of Central Florida 4000 Central Florida Blvd., Orlando, FL 32816, USA
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47
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Ren J, Wang J, Wang J, Luedtke NW, Wang E. Contribution of potassium ion and split modes of G-quadruplex to the sensitivity and selectivity of label-free sensor toward DNA detection using fluorescence. Biosens Bioelectron 2011; 31:316-22. [PMID: 22104647 DOI: 10.1016/j.bios.2011.10.038] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2011] [Revised: 10/16/2011] [Accepted: 10/19/2011] [Indexed: 12/30/2022]
Abstract
In recent years, bioanalytical technology based on G-quadruplex has been paid significant attention due to its versatility and stimulus-responsive reconfiguration. Notwithstanding, several key issues for template-directed reassembly of G-quadruplex have not been resolved: what is the key factor for determining the sensitivity and selectivity of split G-quadruplex probes toward target DNA. Therefore, in this study, we designed three pairs of split G-quadruplex probes and investigated the sensitivity and selectivity of these systems in terms of potassium ion concentration and split modes of G-quadruplex. Due to its simplicity and sensitivity, N-methyl-mesoporphyrin (NMM) as fluorescence probes was used to monitor the target-directed reassembling process of G-quadruplex. A G-quadruplex sequence derived from the c-Myc promoter was split into "symmetric" probes, where each fragment contained two runs of guanine residues (2+2), or into "asymmetric" fragments each containing (3+1 or 1+3) runs of guanine residues. In all three cases, the sensitivity of target detection was highly dependent on the thermodynamic stability of the hybrid structure, which can be modulated by potassium ion concentrations. Using a combination of CD, fluorescence, and UV spectroscopy, we found that increasing potassium concentrations can increase the sensitivity of target detection, but can decrease the selectivity of discriminating cognate versus mismatched "target" DNA. The previous argument that asymmetrically split probes were always better than symmetrically split probes in terms of selectivity was not plausible anymore. These results demonstrate how the sensitivities and selectivity of split probes to mutations can be optimized by tuning the thermodynamic stability of the three-way junction complex.
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Affiliation(s)
- Jiangtao Ren
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
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