1
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Benson S, de Moliner F, Tipping W, Vendrell M. Miniaturized Chemical Tags for Optical Imaging. Angew Chem Int Ed Engl 2022; 61:e202204788. [PMID: 35704518 PMCID: PMC9542129 DOI: 10.1002/anie.202204788] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Indexed: 11/06/2022]
Abstract
Recent advances in optical bioimaging have prompted the need for minimal chemical reporters that can retain the molecular recognition properties and activity profiles of biomolecules. As a result, several methodologies to reduce the size of fluorescent and Raman labels to a few atoms (e.g., single aryl fluorophores, Raman-active triple bonds and isotopes) and embed them into building blocks (e.g., amino acids, nucleobases, sugars) to construct native-like supramolecular structures have been described. The integration of small optical reporters into biomolecules has also led to smart molecular entities that were previously inaccessible in an expedite manner. In this article, we review recent chemical approaches to synthesize miniaturized optical tags as well as some of their multiple applications in biological imaging.
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Affiliation(s)
- Sam Benson
- Centre for Inflammation ResearchThe University of EdinburghEdinburghEH16 4TJUK
| | - Fabio de Moliner
- Centre for Inflammation ResearchThe University of EdinburghEdinburghEH16 4TJUK
| | - William Tipping
- Centre for Molecular NanometrologyThe University of StrathclydeGlasgowG1 1RDUK
| | - Marc Vendrell
- Centre for Inflammation ResearchThe University of EdinburghEdinburghEH16 4TJUK
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2
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Benson S, de Moliner F, Tipping W, Vendrell M. Miniaturized Chemical Tags for Optical Imaging. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202204788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Sam Benson
- The University of Edinburgh Centre for Inflammation Research UNITED KINGDOM
| | - Fabio de Moliner
- The University of Edinburgh Centre for Inflammation Research UNITED KINGDOM
| | - William Tipping
- University of Strathclyde Centre for Molecular Nanometrology UNITED KINGDOM
| | - Marc Vendrell
- University of Edinburgh Centre for Inflammation Research 47 Little France Crescent EH16 4TJ Edinburgh UNITED KINGDOM
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3
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Chen Y, Yan W, Guo D, Li Y, Li J, Liu H, Wei L, Yu N, Wang B, Zheng Y, Jing M, Zhao J, Ye Y. An Activity‐Based Sensing Fluorogenic Probe for Monitoring Ethylene in Living Cells and Plants. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202108335] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yiliang Chen
- Key Laboratory of Plant Immunity, College of Plant Protection Nanjing Agricultural University Nanjing 210095 P. R. China
- State & Local Joint Engineering Research Center of Green Pesticide Invention and Application Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Wei Yan
- Key Laboratory of Plant Immunity, College of Plant Protection Nanjing Agricultural University Nanjing 210095 P. R. China
- State & Local Joint Engineering Research Center of Green Pesticide Invention and Application Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Duojing Guo
- Key Laboratory of Plant Immunity, College of Plant Protection Nanjing Agricultural University Nanjing 210095 P. R. China
- State & Local Joint Engineering Research Center of Green Pesticide Invention and Application Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Yu Li
- Key Laboratory of Plant Immunity, College of Plant Protection Nanjing Agricultural University Nanjing 210095 P. R. China
- State & Local Joint Engineering Research Center of Green Pesticide Invention and Application Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Ji Li
- State Key Laboratory of Coordination Chemistry Chemistry and Biomedicine Innovation Center (ChemBIC) School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China
| | - Hao Liu
- Key Laboratory of Plant Immunity, College of Plant Protection Nanjing Agricultural University Nanjing 210095 P. R. China
- State & Local Joint Engineering Research Center of Green Pesticide Invention and Application Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Lirong Wei
- Key Laboratory of Plant Immunity, College of Plant Protection Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Na Yu
- Key Laboratory of Plant Immunity, College of Plant Protection Nanjing Agricultural University Nanjing 210095 P. R. China
- State & Local Joint Engineering Research Center of Green Pesticide Invention and Application Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Biao Wang
- Key Laboratory of Plant Immunity, College of Plant Protection Nanjing Agricultural University Nanjing 210095 P. R. China
- State & Local Joint Engineering Research Center of Green Pesticide Invention and Application Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Ying Zheng
- Key Laboratory of Plant Immunity, College of Plant Protection Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Maofeng Jing
- Key Laboratory of Plant Immunity, College of Plant Protection Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Jing Zhao
- State Key Laboratory of Coordination Chemistry Chemistry and Biomedicine Innovation Center (ChemBIC) School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China
| | - Yonghao Ye
- Key Laboratory of Plant Immunity, College of Plant Protection Nanjing Agricultural University Nanjing 210095 P. R. China
- State & Local Joint Engineering Research Center of Green Pesticide Invention and Application Nanjing Agricultural University Nanjing 210095 P. R. China
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4
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Chen Y, Yan W, Guo D, Li Y, Li J, Liu H, Wei L, Yu N, Wang B, Zheng Y, Jing M, Zhao J, Ye Y. An Activity-Based Sensing Fluorogenic Probe for Monitoring Ethylene in Living Cells and Plants. Angew Chem Int Ed Engl 2021; 60:21934-21942. [PMID: 34291549 DOI: 10.1002/anie.202108335] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Indexed: 02/06/2023]
Abstract
Ethylene (ET) is an important gaseous plant hormone. It is highly desirable to develop fluorescent probes for monitoring ethylene in living cells. We report an efficient RhIII -catalysed coupling of N-phenoxyacetamides to ethylene in the presence of an alcohol. The newly discovered coupling reaction exhibited a wide scope of N-phenoxyacetamides and excellent regioselectivity. We successfully developed three fluorophore-tagged RhIII -based fluorogenic coumarin-ethylene probes (CEPs) using this strategy for the selective and quantitative detection of ethylene. CEP-1 exhibited the highest sensitivity with a limit of detection of ethylene at 52 ppb in air. Furthermore, CEP-1 was successfully applied for imaging in living CHO-K1 cells and for monitoring endogenous-induced changes in ethylene biosynthesis in tobacco and Arabidopsis thaliana plants. These results indicate that CEP-1 has great potential to illuminate the spatiotemporal regulation of ethylene biosynthesis and ethylene signal transduction in living biological systems.
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Affiliation(s)
- Yiliang Chen
- Key Laboratory of Plant Immunity, College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, P. R. China.,State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing Agricultural University, Nanjing, 210095, P. R. China
| | - Wei Yan
- Key Laboratory of Plant Immunity, College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, P. R. China.,State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing Agricultural University, Nanjing, 210095, P. R. China
| | - Duojing Guo
- Key Laboratory of Plant Immunity, College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, P. R. China.,State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing Agricultural University, Nanjing, 210095, P. R. China
| | - Yu Li
- Key Laboratory of Plant Immunity, College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, P. R. China.,State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing Agricultural University, Nanjing, 210095, P. R. China
| | - Ji Li
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Hao Liu
- Key Laboratory of Plant Immunity, College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, P. R. China.,State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing Agricultural University, Nanjing, 210095, P. R. China
| | - Lirong Wei
- Key Laboratory of Plant Immunity, College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, P. R. China
| | - Na Yu
- Key Laboratory of Plant Immunity, College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, P. R. China.,State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing Agricultural University, Nanjing, 210095, P. R. China
| | - Biao Wang
- Key Laboratory of Plant Immunity, College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, P. R. China.,State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing Agricultural University, Nanjing, 210095, P. R. China
| | - Ying Zheng
- Key Laboratory of Plant Immunity, College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, P. R. China
| | - Maofeng Jing
- Key Laboratory of Plant Immunity, College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, P. R. China
| | - Jing Zhao
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Yonghao Ye
- Key Laboratory of Plant Immunity, College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, P. R. China.,State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing Agricultural University, Nanjing, 210095, P. R. China
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5
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de Moliner F, Knox K, Gordon D, Lee M, Tipping WJ, Geddis A, Reinders A, Ward JM, Oparka K, Vendrell M. A Palette of Minimally Tagged Sucrose Analogues for Real-Time Raman Imaging of Intracellular Plant Metabolism. ANGEWANDTE CHEMIE (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 133:7715-7720. [PMID: 38505234 PMCID: PMC10946860 DOI: 10.1002/ange.202016802] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Indexed: 12/19/2022]
Abstract
Sucrose is the main saccharide used for long-distance transport in plants and plays an essential role in energy metabolism; however, there are no analogues for real-time imaging in live cells. We have optimised a synthetic approach to prepare sucrose analogues including very small (≈50 Da or less) Raman tags in the fructose moiety. Spectroscopic analysis identified the alkyne-tagged compound 6 as a sucrose analogue recognised by endogenous transporters in live cells and with higher Raman intensity than other sucrose derivatives. Herein, we demonstrate the application of compound 6 as the first optical probe to visualise real-time uptake and intracellular localisation of sucrose in live plant cells using Raman microscopy.
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Affiliation(s)
| | - Kirsten Knox
- Institute of Molecular Plant SciencesThe University of EdinburghUK
| | - Doireann Gordon
- Centre for Inflammation ResearchThe University ofEdinburghUK
| | - Martin Lee
- Cancer Research (UK) Edinburgh CentreThe University of EdinburghUK
| | - William J. Tipping
- EaStCHEM School of ChemistryThe University of EdinburghUK
- Centre for Molecular NanometrologyUniversity of StrathclydeUK
| | - Ailsa Geddis
- Centre for Inflammation ResearchThe University ofEdinburghUK
- EaStCHEM School of ChemistryThe University of EdinburghUK
| | - Anke Reinders
- Department of Plant and Microbial BiologyUniversity of MinnesotaUSA
| | - John M. Ward
- Department of Plant and Microbial BiologyUniversity of MinnesotaUSA
| | - Karl Oparka
- Institute of Molecular Plant SciencesThe University of EdinburghUK
| | - Marc Vendrell
- Centre for Inflammation ResearchThe University ofEdinburghUK
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6
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de Moliner F, Knox K, Gordon D, Lee M, Tipping WJ, Geddis A, Reinders A, Ward JM, Oparka K, Vendrell M. A Palette of Minimally Tagged Sucrose Analogues for Real-Time Raman Imaging of Intracellular Plant Metabolism. Angew Chem Int Ed Engl 2021; 60:7637-7642. [PMID: 33491852 PMCID: PMC8048481 DOI: 10.1002/anie.202016802] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Indexed: 12/20/2022]
Abstract
Sucrose is the main saccharide used for long-distance transport in plants and plays an essential role in energy metabolism; however, there are no analogues for real-time imaging in live cells. We have optimised a synthetic approach to prepare sucrose analogues including very small (≈50 Da or less) Raman tags in the fructose moiety. Spectroscopic analysis identified the alkyne-tagged compound 6 as a sucrose analogue recognised by endogenous transporters in live cells and with higher Raman intensity than other sucrose derivatives. Herein, we demonstrate the application of compound 6 as the first optical probe to visualise real-time uptake and intracellular localisation of sucrose in live plant cells using Raman microscopy.
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Affiliation(s)
| | - Kirsten Knox
- Institute of Molecular Plant SciencesThe University of EdinburghUK
| | - Doireann Gordon
- Centre for Inflammation ResearchThe University ofEdinburghUK
| | - Martin Lee
- Cancer Research (UK) Edinburgh CentreThe University of EdinburghUK
| | - William J. Tipping
- EaStCHEM School of ChemistryThe University of EdinburghUK
- Centre for Molecular NanometrologyUniversity of StrathclydeUK
| | - Ailsa Geddis
- Centre for Inflammation ResearchThe University ofEdinburghUK
- EaStCHEM School of ChemistryThe University of EdinburghUK
| | - Anke Reinders
- Department of Plant and Microbial BiologyUniversity of MinnesotaUSA
| | - John M. Ward
- Department of Plant and Microbial BiologyUniversity of MinnesotaUSA
| | - Karl Oparka
- Institute of Molecular Plant SciencesThe University of EdinburghUK
| | - Marc Vendrell
- Centre for Inflammation ResearchThe University ofEdinburghUK
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7
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8
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9
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Li X, Li Y, Jiang M, Wu W, He S, Chen C, Qin Z, Tang BZ, Mak HY, Qu JY. Quantitative Imaging of Lipid Synthesis and Lipolysis Dynamics in Caenorhabditis elegans by Stimulated Raman Scattering Microscopy. Anal Chem 2019; 91:2279-2287. [PMID: 30589537 DOI: 10.1021/acs.analchem.8b04875] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Quantitative methods to precisely measure cellular states in vivo have become increasingly important and desirable in modern biology. Recently, stimulated Raman scattering (SRS) microscopy has emerged as a powerful tool to visualize small biological molecules tagged with alkyne (C≡C) or carbon-deuterium (C-D) bonds in the cell-silent region. In this study, we developed a technique based on SRS microscopy of vibrational tags for quantitative imaging of lipid synthesis and lipolysis in live animals. The technique aims to overcome the major limitations of conventional fluorescent staining and lipid extraction methods that do not provide the capability of in vivo quantitative analysis. Specifically, we used three bioorthogonal lipid molecules (the alkyne-tagged fatty acid 17-ODYA, deuterium-labeled saturated fatty acid PA-D31, and unsaturated fatty acid OA-D34) to investigate the metabolic dynamics of lipid droplets (LDs) in live Caenorhabditis elegans ( C. elegans). Using a hyperspectral SRS (hsSRS) microscope and subtraction method, the interfering non-Raman background was eliminated to improve the accuracy of lipid quantification. A linear relationship between SRS signals and fatty acid molar concentrations was accurately established. With this quantitative analysis tool, we imaged and determined the changes in concentration of the three fatty acids in LDs of fed or starved adult C. elegans. Using the hsSRS imaging mode, we also observed the desaturation of fatty acids in adult C. elegans via spectral analysis on the SRS signals from LDs. The results demonstrated the unique capability of hsSRS microscopy in quantitative analysis of lipid metabolism in vivo.
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Affiliation(s)
- Xuesong Li
- Department of Electronic and Computer Engineering , Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong 999077 , China.,Center of Systems Biology and Human Health, School of Science and Institute for Advanced Study , Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong 999077 , China
| | - Yan Li
- Division of Life Science , Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong 999077 , China
| | - Meijuan Jiang
- Department of Chemistry , Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong 999077 , China
| | - Wanjie Wu
- Department of Electronic and Computer Engineering , Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong 999077 , China.,Center of Systems Biology and Human Health, School of Science and Institute for Advanced Study , Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong 999077 , China
| | - Sicong He
- Department of Electronic and Computer Engineering , Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong 999077 , China.,Center of Systems Biology and Human Health, School of Science and Institute for Advanced Study , Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong 999077 , China
| | - Congping Chen
- Department of Electronic and Computer Engineering , Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong 999077 , China.,Center of Systems Biology and Human Health, School of Science and Institute for Advanced Study , Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong 999077 , China
| | - Zhongya Qin
- Department of Electronic and Computer Engineering , Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong 999077 , China.,Center of Systems Biology and Human Health, School of Science and Institute for Advanced Study , Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong 999077 , China
| | - Ben Zhong Tang
- Department of Chemistry , Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong 999077 , China
| | - Ho Yi Mak
- Division of Life Science , Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong 999077 , China
| | - Jianan Y Qu
- Department of Electronic and Computer Engineering , Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong 999077 , China.,Center of Systems Biology and Human Health, School of Science and Institute for Advanced Study , Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong 999077 , China
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10
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Steinke M, Zunhammer F, Chatzopoulou EI, Teller H, Schütze K, Walles H, Rädler JO, Grüttner C. Rapid Analysis of Cell-Nanoparticle Interactions using Single-Cell Raman Trapping Microscopy. Angew Chem Int Ed Engl 2018; 57:4946-4950. [DOI: 10.1002/anie.201713151] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 02/06/2018] [Indexed: 12/21/2022]
Affiliation(s)
- Maria Steinke
- Fraunhofer Institute for Silicate Research ISC; c/o University Hospital Würzburg; Chair of Tissue Engineering and Regenerative Medicine; Röntgenring 11 97070 Würzburg Germany
| | | | - Elisavet I. Chatzopoulou
- Ludwig-Maximilians-University Munich; Faculty of Physics; Geschwister-Scholl-Platz 1 80539 München Germany
| | - Henrik Teller
- Micromod Partikeltechnologie GmbH; Friedrich-Barnewitz-Straße 4 18119 Rostock Germany
| | | | - Heike Walles
- Fraunhofer Institute for Silicate Research ISC; c/o University Hospital Würzburg; Chair of Tissue Engineering and Regenerative Medicine; Röntgenring 11 97070 Würzburg Germany
| | - Joachim O. Rädler
- Ludwig-Maximilians-University Munich; Faculty of Physics; Geschwister-Scholl-Platz 1 80539 München Germany
| | - Cordula Grüttner
- Micromod Partikeltechnologie GmbH; Friedrich-Barnewitz-Straße 4 18119 Rostock Germany
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11
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Steinke M, Zunhammer F, Chatzopoulou EI, Teller H, Schütze K, Walles H, Rädler JO, Grüttner C. Rapid Analysis of Cell-Nanoparticle Interactions using Single-Cell Raman Trapping Microscopy. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201713151] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Maria Steinke
- Fraunhofer Institute for Silicate Research ISC; c/o University Hospital Würzburg; Chair of Tissue Engineering and Regenerative Medicine; Röntgenring 11 97070 Würzburg Germany
| | | | - Elisavet I. Chatzopoulou
- Ludwig-Maximilians-University Munich; Faculty of Physics; Geschwister-Scholl-Platz 1 80539 München Germany
| | - Henrik Teller
- Micromod Partikeltechnologie GmbH; Friedrich-Barnewitz-Straße 4 18119 Rostock Germany
| | | | - Heike Walles
- Fraunhofer Institute for Silicate Research ISC; c/o University Hospital Würzburg; Chair of Tissue Engineering and Regenerative Medicine; Röntgenring 11 97070 Würzburg Germany
| | - Joachim O. Rädler
- Ludwig-Maximilians-University Munich; Faculty of Physics; Geschwister-Scholl-Platz 1 80539 München Germany
| | - Cordula Grüttner
- Micromod Partikeltechnologie GmbH; Friedrich-Barnewitz-Straße 4 18119 Rostock Germany
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12
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Hong W, Karanja CW, Abutaleb NS, Younis W, Zhang X, Seleem MN, Cheng JX. Antibiotic Susceptibility Determination within One Cell Cycle at Single-Bacterium Level by Stimulated Raman Metabolic Imaging. Anal Chem 2018; 90:3737-3743. [PMID: 29461044 DOI: 10.1021/acs.analchem.7b03382] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The widespread use of antibiotics has significantly increased the number of resistant bacteria, which has also increased the urgency of rapid bacterial detection and profiling their antibiotic response. Current clinical methods for antibiotic susceptibility testing (AST) rely on culture and require at least 16 to 24 h to conduct. Therefore, there is an urgent need for a rapid method that can test the susceptibility of bacteria in a culture-free manner. Here we demonstrate a rapid AST method by monitoring the glucose metabolic activity of live bacteria at the single-cell level with hyperspectral stimulated Raman scattering (SRS) imaging. Using vancomycin-susceptible and -resistant enterococci E. faecalis as models, we demonstrate that the metabolic uptake of deuterated glucose in a single living bacterium can be quantitatively monitored via hyperspectral SRS imaging. Remarkably, the metabolic activity of susceptible bacteria responds differently to antibiotics from the resistant strain within only 0.5 h from the addition of antibiotics. Therefore, bacterial susceptibility and the minimum inhibitory concentration (MIC) of antibiotics can be determined within one cell cycle. Our metabolic imaging method is applicable to other bacteria species including E. coli, K. Pneumoniae, and S. aureus as well as different antibiotics, regardless of their mechanisms of inhibiting or killing bacteria.
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Affiliation(s)
| | | | | | | | | | | | - Ji-Xin Cheng
- Department of Biomedical Engineering and Department of Electrical and Chemical Engineering , Boston University , Boston , Massachusetts 02215 , United States
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13
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McAnally MO, Phelan BT, Young RM, Wasielewski MR, Schatz GC, Van Duyne RP. Quantitative Determination of the Differential Raman Scattering Cross Sections of Glucose by Femtosecond Stimulated Raman Scattering. Anal Chem 2017; 89:6931-6935. [DOI: 10.1021/acs.analchem.7b01335] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Michael O. McAnally
- Department
of Chemistry and ‡Argonne-Northwestern Solar Energy Research
Center, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - Brian T. Phelan
- Department
of Chemistry and ‡Argonne-Northwestern Solar Energy Research
Center, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - Ryan M. Young
- Department
of Chemistry and ‡Argonne-Northwestern Solar Energy Research
Center, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - Michael R. Wasielewski
- Department
of Chemistry and ‡Argonne-Northwestern Solar Energy Research
Center, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - George C. Schatz
- Department
of Chemistry and ‡Argonne-Northwestern Solar Energy Research
Center, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - Richard P. Van Duyne
- Department
of Chemistry and ‡Argonne-Northwestern Solar Energy Research
Center, Northwestern University, Evanston, Illinois 60208-3113, United States
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14
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Abstract
Stimulated Raman scattering (SRS) describes a family of techniques first discovered and developed in the 1960s. Whereas the nascent history of the technique is parallel to that of laser light sources, recent advances have spurred a resurgence in its use and development that has spanned across scientific fields and spatial scales. SRS is a nonlinear technique that probes the same vibrational modes of molecules that are seen in spontaneous Raman scattering. While spontaneous Raman scattering is an incoherent technique, SRS is a coherent process, and this fact provides several advantages over conventional Raman techniques, among which are much stronger signals and the ability to time-resolve the vibrational motions. Technological improvements in pulse generation and detection strategies have allowed SRS to probe increasingly smaller volumes and shorter time scales. This has enabled SRS research to move from its original domain, of probing bulk media, to imaging biological tissues and single cells at the micro scale, and, ultimately, to characterizing samples with subdiffraction resolution at the nanoscale. In this Review, we give an overview of the history of the technique, outline its basic properties, and present historical and current uses at multiple length scales to underline the utility of SRS to the molecular sciences.
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Affiliation(s)
- Richard C Prince
- Department of Biomedical Engineering, University of California, Irvine , 1436 Natural Sciences II, Irvine, California 92697-2025, United States
| | - Renee R Frontiera
- Department of Chemistry, University of Minnesota, Minneapolis , B-18, 139 Smith Hall, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States
| | - Eric O Potma
- Department of Chemistry, University of California, Irvine , 1107 Natural Sciences II, Irvine, California 92697-2025, United States
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15
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Sengupta D, Pratx G. Imaging metabolic heterogeneity in cancer. Mol Cancer 2016; 15:4. [PMID: 26739333 PMCID: PMC4704434 DOI: 10.1186/s12943-015-0481-3] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Accepted: 12/10/2015] [Indexed: 01/01/2023] Open
Abstract
As our knowledge of cancer metabolism has increased, it has become apparent that cancer metabolic processes are extremely heterogeneous. The reasons behind this heterogeneity include genetic diversity, the existence of multiple and redundant metabolic pathways, altered microenvironmental conditions, and so on. As a result, methods in the clinic and beyond have been developed in order to image and study tumor metabolism in the in vivo and in vitro regimes. Both regimes provide unique advantages and challenges, and may be used to provide a picture of tumor metabolic heterogeneity that is spatially and temporally comprehensive. Taken together, these methods may hold the key to appropriate cancer diagnoses and treatments in the future.
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Affiliation(s)
- Debanti Sengupta
- Stanford University School of Medicine, A226 Building A, 1050 Arastradero Road, Palo Alto, CA, 94304, USA
| | - Guillem Pratx
- Stanford University School of Medicine, A226 Building A, 1050 Arastradero Road, Palo Alto, CA, 94304, USA.
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