51
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Kang SW, Lee S, Na JH, Yoon HI, Lee DE, Koo H, Cho YW, Kim SH, Jeong SY, Kwon IC, Choi K, Kim K. Cell labeling and tracking method without distorted signals by phagocytosis of macrophages. Am J Cancer Res 2014; 4:420-31. [PMID: 24578725 PMCID: PMC3936294 DOI: 10.7150/thno.7265] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2013] [Accepted: 11/07/2013] [Indexed: 12/24/2022] Open
Abstract
Cell labeling and tracking are important processes in understanding biologic mechanisms and the therapeutic effect of inoculated cells in vivo. Numerous attempts have been made to label and track inoculated cells in vivo; however, these methods have limitations as a result of their biological effects, including secondary phagocytosis of macrophages and genetic modification. Here, we investigated a new cell labeling and tracking strategy based on metabolic glycoengineering and bioorthogonal click chemistry. We first treated cells with tetra-acetylated N-azidoacetyl-D-mannosamine to generate unnatural sialic acids with azide groups on the surface of the target cells. The azide-labeled cells were then transplanted to mouse liver, and dibenzyl cyclooctyne-conjugated Cy5 (DBCO-Cy5) was intravenously injected into mice to chemically bind with the azide groups on the surface of the target cells in vivo for target cell visualization. Unnatural sialic acids with azide groups could be artificially induced on the surface of target cells by glycoengineering. We then tracked the azide groups on the surface of the cells by DBCO-Cy5 in vivo using bioorthogonal click chemistry. Importantly, labeling efficacy was enhanced and false signals by phagocytosis of macrophages were reduced. This strategy will be highly useful for cell labeling and tracking.
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52
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Memmel E, Homann A, Oelschlaeger TA, Seibel J. Metabolic glycoengineering of Staphylococcus aureus reduces its adherence to human T24 bladder carcinoma cells. Chem Commun (Camb) 2014; 49:7301-3. [PMID: 23852343 DOI: 10.1039/c3cc43424a] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The Gram-positive bacterium Staphylococcus aureus is a human pathogen increasingly causing severe infections, especially in hospital environments. Moreover, strains which are resistant against various types of antibiotics are developing and spreading widely as in the case of the community-acquired MRSA (methicillin resistant S. aureus). In this study metabolic glycoengineering with N-azidoacetyl-glucosamine (GlcNAz) has been successfully applied to S. aureus for the first time. The following bioorthogonal Mendal-Sharpless-Huisgen click reaction between the azido-functionalized S. aureus cells and alkyne dyes enabled staining of these bacteria and reduced their adherence to human T24 bladder carcinoma cells by 48%. The results are of urgent interest to study S. aureus infections.
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Affiliation(s)
- Elisabeth Memmel
- Institute of Organic Chemistry, Julius-Maximilians-University Würzburg, Am Hubland, 97074 Würzburg, Germany
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53
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54
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Giuntini F, Bryden F, Daly R, Scanlan EM, Boyle RW. Huisgen-based conjugation of water-soluble porphyrins to deprotected sugars: towards mild strategies for the labelling of glycans. Org Biomol Chem 2014; 12:1203-6. [DOI: 10.1039/c3ob42306a] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Fully deprotected alkynyl-functionalised mono- and oligosaccharides undergo CuAAC-based conjugation with water-soluble porphyrin azides in aqueous environments.
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Affiliation(s)
| | | | - Robin Daly
- School of Chemistry
- Trinity Biomedical Sciences Institute
- Trinity College
- Dublin 2, Ireland
| | - Eoin M. Scanlan
- School of Chemistry
- Trinity Biomedical Sciences Institute
- Trinity College
- Dublin 2, Ireland
| | - Ross W. Boyle
- Department of Chemistry
- University of Hull
- Kingston-upon-Hull, UK
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55
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Haga Y, Suzuki T. Use of transmembrane FRET to investigate the internalization of glycosylated proteins. Methods Mol Biol 2014; 1174:225-30. [PMID: 24947385 DOI: 10.1007/978-1-4939-0944-5_15] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The importance of glycans in various cellular events, especially intracellular and intercellular trafficking of proteins, has been reported in numerous studies. Here, we present a novel method to monitor endocytosis of proteins of interest bearing a specific glycan modification. Using a fluorescence resonance energy transfer technique, we investigated the role of glycan structure on the internalization of insulin-responsive glucose transporter GLUT4. We found that sialylated glycoforms of GFP-tagged GLUT4 appear to be internalized more slowly than non-sialylated GLUT4 upon insulin removal. This novel glycan imaging tool allows probing functional roles of specific glycan modifications in endocytosis of various proteins.
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Affiliation(s)
- Yoshimi Haga
- Glycometabolome Team, Systems Glycobiology Research Group, RIKEN-Max Planck Joint Research Center for Systems Chemical Biology, RIKEN Global Research Cluster, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
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56
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Hayashi T, Sun Y, Tamura T, Kuwata K, Song Z, Takaoka Y, Hamachi I. Semisynthetic Lectin–4-Dimethylaminopyridine Conjugates for Labeling and Profiling Glycoproteins on Live Cell Surfaces. J Am Chem Soc 2013; 135:12252-8. [DOI: 10.1021/ja4043214] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Takahiro Hayashi
- Department of Synthetic
Chemistry and Biological Chemistry, Graduate School of
Engineering, Kyoto University, Katsura,
Kyoto 615-8510, Japan
| | - Yedi Sun
- Department of Synthetic
Chemistry and Biological Chemistry, Graduate School of
Engineering, Kyoto University, Katsura,
Kyoto 615-8510, Japan
| | - Tomonori Tamura
- Department of Synthetic
Chemistry and Biological Chemistry, Graduate School of
Engineering, Kyoto University, Katsura,
Kyoto 615-8510, Japan
| | - Keiko Kuwata
- Institute of Transformative
Bio-Molecules (WPI-ITbM), Nagoya University, Chikusa, Nagoya 464-8601, Japan
| | - Zhining Song
- Department of Synthetic
Chemistry and Biological Chemistry, Graduate School of
Engineering, Kyoto University, Katsura,
Kyoto 615-8510, Japan
| | - Yousuke Takaoka
- Department of Synthetic
Chemistry and Biological Chemistry, Graduate School of
Engineering, Kyoto University, Katsura,
Kyoto 615-8510, Japan
| | - Itaru Hamachi
- Department of Synthetic
Chemistry and Biological Chemistry, Graduate School of
Engineering, Kyoto University, Katsura,
Kyoto 615-8510, Japan
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57
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Zhang Z, Bi J, Liu Q, Zhang G. The synthesis of α,α-difluoroacetamides via electrophilic fluorination in the mixed-solvent of water and PEG-400. J Fluor Chem 2013. [DOI: 10.1016/j.jfluchem.2013.03.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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58
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Zhang X, Zhang Y. Applications of azide-based bioorthogonal click chemistry in glycobiology. Molecules 2013; 18:7145-59. [PMID: 23783454 PMCID: PMC6269833 DOI: 10.3390/molecules18067145] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2013] [Revised: 06/12/2013] [Accepted: 06/14/2013] [Indexed: 11/16/2022] Open
Abstract
Click chemistry is a powerful chemical reaction with excellent bioorthogonality features: biocompatible, rapid and highly specific in biological environments. For glycobiology, bioorthogonal click chemistry has created a new method for glycan non-invasive imaging in living systems, selective metabolic engineering, and offered an elite chemical handle for biological manipulation and glycomics studies. Especially the [3 + 2] dipolar cycloadditions of azides with strained alkynes and the Staudinger ligation of azides and triarylphosphines have been widely used among the extant click reactions. This review focuses on the azide-based bioorthogonal click chemistry, describing the characteristics and development of these reactions, introducing some recent applications in glycobiology research, especially in glycan metabolic engineering, including glycan non-invasive imaging, glycomics studies and viral surface manipulation for drug discovery as well as other applications like activity-based protein profiling and carbohydrate microarrays.
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Affiliation(s)
| | - Yan Zhang
- Author to whom correspondence should be addressed; E-Mail: ; Tel./Fax: +86-21-3420-6778
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59
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Abnormal accumulation and recycling of glycoproteins visualized in Niemann-Pick type C cells using the chemical reporter strategy. Proc Natl Acad Sci U S A 2013; 110:10207-12. [PMID: 23733943 DOI: 10.1073/pnas.1221105110] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Niemann-Pick type C (NPC) disease is characterized by impaired cholesterol efflux from late endosomes and lysosomes and secondary accumulation of lipids. Although impaired trafficking of individual glycoproteins and glycolipids has been noted in NPC cells and other storage disorders, there is currently no effective way to monitor their localization and movement en masse. Using a chemical reporter strategy in combination with pharmacologic treatments, we demonstrate a disease-specific and previously unrecognized accumulation of a diverse set of glycoconjugates in NPC1-null and NPC2-deficient fibroblasts within endocytic compartments. These labeled vesicles do not colocalize with the cholesterol-laden compartments of NPC cells. Experiments using the endocytic uptake marker dextran show that the endosomal accumulation of sialylated molecules can be largely attributed to impaired recycling as opposed to altered fusion of vesicles. Treatment of either NPC1-null or NPC2-deficient cells with cyclodextrin was effective in reducing cholesterol storage as well as the endocytic accumulation of sialoglycoproteins, demonstrating a direct link between cholesterol storage and abnormal recycling. Our data further demonstrate that this accumulation is largely glycoproteins, given that inhibitors of O-glycan initiation or N-glycan processing led to a significant reduction in staining intensity. Taken together, our results provide a unique perspective on the trafficking defects in NPC cells, and highlight the utility of this methodology in analyzing cells with altered recycling and turnover of glycoproteins.
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60
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Garcia-Hartjes J, Dommerholt J, Wennekes T, van Delft FL, Zuilhof H. Electronic Effects versus Distortion Energies During Strain-Promoted Alkyne-Azide Cycloadditions: A Theoretical Tool to Predict Reaction Kinetics. European J Org Chem 2013. [DOI: 10.1002/ejoc.201201627] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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61
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Thirumurugan P, Matosiuk D, Jozwiak K. Click Chemistry for Drug Development and Diverse Chemical–Biology Applications. Chem Rev 2013; 113:4905-79. [DOI: 10.1021/cr200409f] [Citation(s) in RCA: 1309] [Impact Index Per Article: 119.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Prakasam Thirumurugan
- Laboratory
of Medical Chemistry and Neuroengineering, Department of Chemistry, and ‡Department of
Synthesis and Chemical Technology of Pharmaceutical Substances, Medical University of Lublin, Lublin
20093, Poland
| | - Dariusz Matosiuk
- Laboratory
of Medical Chemistry and Neuroengineering, Department of Chemistry, and ‡Department of
Synthesis and Chemical Technology of Pharmaceutical Substances, Medical University of Lublin, Lublin
20093, Poland
| | - Krzysztof Jozwiak
- Laboratory
of Medical Chemistry and Neuroengineering, Department of Chemistry, and ‡Department of
Synthesis and Chemical Technology of Pharmaceutical Substances, Medical University of Lublin, Lublin
20093, Poland
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62
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Abstract
Glycosylation is an abundant post-translational modification that alters the fate and function of its substrate proteins. To aid in understanding the significance of protein glycosylation, identification of target proteins is key. As with all proteomics experiments, mass spectrometry has been established as the desired method for substrate identification. However, these approaches require selective enrichment and purification of modified proteins. Chemical reporters in combination with bioorthogonal reactions have emerged as robust tools for identifying post-translational modifications including glycosylation. We provide here a method for the use of bioorthogonal chemical reporters for isolation and identification of glycosylated proteins. More specifically, this protocol is a representative procedure from our own work using an alkyne-bearing O-GlcNAc chemical reporter (GlcNAlk) and a chemically cleavable azido-azo-biotin probe for the identification of O-GlcNAc-modified proteins.
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Affiliation(s)
- Balyn W Zaro
- Department of Chemistry, University of Southern California, Los Angeles, CA, USA
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63
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Rouhanifard SH, Nordstrøm LU, Zheng T, Wu P. Chemical probing of glycans in cells and organisms. Chem Soc Rev 2012; 42:4284-96. [PMID: 23257905 DOI: 10.1039/c2cs35416k] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Among the four major building blocks of life, glycans play essential roles in numerous physiological and pathological processes. Due to their non-templated biosynthesis, advances towards elucidating the molecular details of glycan functions are relatively slow compared with the pace of protein and nucleic acid research. Over the past 30 years, chemical tools have emerged as powerful allies to genetics and molecular biology in the study of glycans in their native environment. This tutorial review will provide an overview of the recent technological developments in the field, as well as the progress in the application of these techniques to probe glycans in cells and organisms.
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Affiliation(s)
- Sara H Rouhanifard
- Department of Biochemistry, Yeshiva University, 1300 Morris Park Ave, Bronx, NY 10461, USA
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64
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Pinto RC, Andrade MM, Barros MT. Selective derivatization of d-galactose towards a practical synthesis of C-6 l-fucose analogues. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.08.127] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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65
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Abstract
Imaging technologies developed in the early 20th century achieved contrast solely by relying on macroscopic and morphological differences between the tissues of interest and the surrounding tissues. Since then, there has been a movement toward imaging at the cellular and molecular level in order to visualize biological processes. This rapidly growing field is known as molecular imaging. In the last decade, many methodologies for imaging proteins have emerged. However, most of these approaches cannot be extended to imaging beyond the proteome. Here, we highlight some of the recently developed technologies that enable imaging of non-proteinaceous molecules in the cell: lipids, signalling molecules, inorganic ions, glycans, nucleic acids, small-molecule metabolites, and protein post-translational modifications such as phosphorylation and methylation.
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Affiliation(s)
- Pamela V. Chang
- Department of Chemistry, University of California, Berkeley, 94720, USA
| | - Carolyn R. Bertozzi
- Department of Chemistry, University of California, Berkeley, 94720, USA
- Department of Molecular and Cell Biology, University of California, Berkeley, U.S.A
- Howard Hughes Medical Institute, University of California, Berkeley, U.S.A
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66
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Schittmayer M, Birner-Gruenberger R. Lipolytic proteomics. MASS SPECTROMETRY REVIEWS 2012; 31:570-582. [PMID: 22392637 DOI: 10.1002/mas.20355] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2011] [Revised: 11/10/2011] [Accepted: 11/10/2011] [Indexed: 05/31/2023]
Abstract
Activity-based proteomics (ABP) employs small molecular probes to specifically label sets of enzymes based on their shared catalytic mechanism. Given that the vast majority of lipases belong to the family of serine hydrolases and share a nucleophilic active-site serine as part of a catalytic triad, activity-based probes are ideal tools to study lipases and lipolysis. Moreover, the ability of ABP to highlight or isolate specific subproteomes results in a massive decrease of sample complexity. Thereby, in-depth analysis of enzymes of interest with mass spectrometry becomes feasible. In this review, we cover probe design, technological developments, and applications of ABP of lipases, as well as give an overview of relevant identified proteins.
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Affiliation(s)
- Matthias Schittmayer
- Research Group Functional Proteomics, Institute of Pathology, Medical University of Graz, Graz, Austria
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67
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Chakrabarty R, Stang PJ. Post-assembly functionalization of organoplatinum(II) metallacycles via copper-free click chemistry. J Am Chem Soc 2012; 134:14738-41. [PMID: 22917086 DOI: 10.1021/ja3070073] [Citation(s) in RCA: 89] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
We describe the use of a strain-promoted copper-free click reaction in the post-self-assembly functionalization of organoplatinum(II) metallacycles. The coordination-driven self-assembly of a 120° cyclooctyne-tethered dipyridyl donor with 60° and 120° di-Pt(II) acceptors forms molecular rhomboids and hexagons bearing cyclooctynes. These species undergo post-self-assembly [3+2] Huisgen cycloaddition with a variety of azides to give functionalized ensembles under mild conditions.
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Affiliation(s)
- Rajesh Chakrabarty
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, USA
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68
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Zhang Y, Sun Y, Wang Z, Huang L. Fluorescein-5-thiosemicarbazide as a probe for directly imaging of mucin-type O-linked glycoprotein within living cells. Glycoconj J 2012; 29:445-52. [DOI: 10.1007/s10719-012-9425-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2012] [Revised: 06/13/2012] [Accepted: 06/25/2012] [Indexed: 01/25/2023]
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69
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Ali MM, Kang DK, Tsang K, Fu M, Karp JM, Zhao W. Cell-surface sensors: lighting the cellular environment. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2012; 4:547-61. [PMID: 22761045 DOI: 10.1002/wnan.1179] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Cell-surface sensors are powerful tools to elucidate cell functions including cell signaling, metabolism, and cell-to-cell communication. These sensors not only facilitate our understanding in basic biology but also advance the development of effective therapeutics and diagnostics. While genetically encoded fluorescent protein/peptide sensors have been most popular, emerging cell surface sensor systems including polymer-, nanoparticle-, and nucleic acid aptamer-based sensors have largely expanded our toolkits to interrogate complex cellular signaling and micro- or nano-environments. In particular, cell-surface sensors that interrogate in vivo cellular microenvironments represent an emerging trend in the development of next generation tools which biologists may routinely apply to elucidate cell biology in vivo and to develop new therapeutics and diagnostics. This review focuses on the most recent development in areas of cell-surface sensors. We will first discuss some recently reported genetically encoded sensors that were used for monitoring cellular metabolites, proteins, and neurotransmitters. We will then focus on the emerging cell surface sensor systems with emphasis on the use of DNA aptamer sensors for probing cell signaling and cell-to-cell communication.
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Affiliation(s)
- Md Monsur Ali
- Department of Pharmaceutical Sciences, University of California, Irvine, CA, USA
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70
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Haga Y, Ishii K, Hibino K, Sako Y, Ito Y, Taniguchi N, Suzuki T. Visualizing specific protein glycoforms by transmembrane fluorescence resonance energy transfer. Nat Commun 2012; 3:907. [DOI: 10.1038/ncomms1906] [Citation(s) in RCA: 88] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2012] [Accepted: 05/14/2012] [Indexed: 11/09/2022] Open
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71
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Gordon C, Mackey JL, Jewett JC, Sletten EM, Houk KN, Bertozzi CR. Reactivity of biarylazacyclooctynones in copper-free click chemistry. J Am Chem Soc 2012; 134:9199-208. [PMID: 22553995 PMCID: PMC3368396 DOI: 10.1021/ja3000936] [Citation(s) in RCA: 199] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2012] [Indexed: 11/30/2022]
Abstract
The 1,3-dipolar cycloaddition of cyclooctynes with azides, also called "copper-free click chemistry", is a bioorthogonal reaction with widespread applications in biological discovery. The kinetics of this reaction are of paramount importance for studies of dynamic processes, particularly in living subjects. Here we performed a systematic analysis of the effects of strain and electronics on the reactivity of cyclooctynes with azides through both experimental measurements and computational studies using a density functional theory (DFT) distortion/interaction transition state model. In particular, we focused on biarylazacyclooctynone (BARAC) because it reacts with azides faster than any other reported cyclooctyne and its modular synthesis facilitated rapid access to analogues. We found that substituents on BARAC's aryl rings can alter the calculated transition state interaction energy of the cycloaddition through electronic effects or the calculated distortion energy through steric effects. Experimental data confirmed that electronic perturbation of BARAC's aryl rings has a modest effect on reaction rate, whereas steric hindrance in the transition state can significantly retard the reaction. Drawing on these results, we analyzed the relationship between alkyne bond angles, which we determined using X-ray crystallography, and reactivity, quantified by experimental second-order rate constants, for a range of cyclooctynes. Our results suggest a correlation between decreased alkyne bond angle and increased cyclooctyne reactivity. Finally, we obtained structural and computational data that revealed the relationship between the conformation of BARAC's central lactam and compound reactivity. Collectively, these results indicate that the distortion/interaction model combined with bond angle analysis will enable predictions of cyclooctyne reactivity and the rational design of new reagents for copper-free click chemistry.
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Affiliation(s)
- Chelsea
G. Gordon
- Departments
of Chemistry and Molecular and Cell Biology and Howard Hughes Medical Institute, University of California - Berkeley,
Berkeley, California 94720, United States
| | - Joel L. Mackey
- Department of Chemistry and
Biochemistry, University of California - Los Angeles, Los Angeles, California 90095, United States
| | - John C. Jewett
- Departments
of Chemistry and Molecular and Cell Biology and Howard Hughes Medical Institute, University of California - Berkeley,
Berkeley, California 94720, United States
| | - Ellen M. Sletten
- Departments
of Chemistry and Molecular and Cell Biology and Howard Hughes Medical Institute, University of California - Berkeley,
Berkeley, California 94720, United States
| | - K. N. Houk
- Department of Chemistry and
Biochemistry, University of California - Los Angeles, Los Angeles, California 90095, United States
| | - Carolyn R. Bertozzi
- Departments
of Chemistry and Molecular and Cell Biology and Howard Hughes Medical Institute, University of California - Berkeley,
Berkeley, California 94720, United States
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72
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Anderson CT, Wallace IS. Illuminating the wall: using click chemistry to image pectins in Arabidopsis cell walls. PLANT SIGNALING & BEHAVIOR 2012; 7:661-3. [PMID: 22580708 PMCID: PMC3442861 DOI: 10.4161/psb.19939] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Plant cell walls are the most abundant biomaterials on Earth and serve a multitude of purposes in human society. These complex extracellular matrices are mainly composed of polysaccharides, including cellulose, hemicelluloses, and pectins, which cannot be cytologically examined using conventional techniques. Click chemistry, which exploits a bio-orthogonal cycloaddition reaction between alkynyl and azido groups, has proven to be useful for the metabolic incorporation and detection of modified sugars in polysaccharides in animals, fungi, and bacteria, but its use to interrogate the biosynthesis or dynamics of plant cell walls has not been previously reported. Recently, we found that an alkynylated analog of fucose can be metabolically incorporated into Arabidopsis thaliana cell walls and click labeled with fluorescent probes, facilitating imaging of cell wall carbohydrates. Despite the presence of fucose in several classes of wall polysaccharides, fucose-alkyne was primarily incorporated into rhamnogalacturonan-I, a type of pectin. Using timecourse and pulse-labeling experiments, we observed the dynamics of pectin delivery and reorganization in expanding cell walls. The use of click chemistry to investigate plant cell wall architecture should help bridge the gap between biochemical characterization of isolated cell wall components and an understanding of how those components interact in intact cell walls.
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Affiliation(s)
- Charles T Anderson
- Department of Biology, The Pennsylvania State University, University Park, PA, USA.
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73
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Flanagan-Steet HR, Steet R. "Casting" light on the role of glycosylation during embryonic development: insights from zebrafish. Glycoconj J 2012; 30:33-40. [PMID: 22638861 DOI: 10.1007/s10719-012-9390-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2012] [Revised: 04/23/2012] [Accepted: 04/25/2012] [Indexed: 12/23/2022]
Abstract
Zebrafish (Danio rerio) remains a versatile model organism for the investigation of early development and organogenesis, and has emerged as a valuable platform for drug discovery and toxicity evaluation [1-6]. Harnessing the genetic power and experimental accessibility of this system, three decades of research have identified key genes and pathways that control the development of multiple organ systems and tissues, including the heart, kidney, and craniofacial cartilage, as well as the hematopoietic, vascular, and central and peripheral nervous systems [7-31]. In addition to their application in large mutagenic screens, zebrafish has been used to model a variety of diseases such as diabetes, polycystic kidney disease, muscular dystrophy and cancer [32-36]. As this work continues to intersect with cellular pathways and processes such as lipid metabolism, glycosylation and vesicle trafficking, investigators are often faced with the challenge of determining the degree to which these pathways are functionally conserved in zebrafish. While they share a high degree of genetic homology with mouse and human, the manner in which cellular pathways are regulated in zebrafish during early development, and the differences in the organ physiology, warrant consideration before functional studies can be effectively interpreted and compared with other vertebrate systems. This point is particularly relevant for glycosylation since an understanding of the glycan diversity and the mechanisms that control glycan biosynthesis during zebrafish embryogenesis (as in many organisms) is still developing.Nonetheless, a growing number of studies in zebrafish have begun to cast light on the functional roles of specific classes of glycans during organ and tissue development. While many of the initial efforts involved characterizing identified mutants in a number of glycosylation pathways, the use of reverse genetic approaches to directly model glycosylation-related disorders is now increasingly popular. In this review, the glycomics of zebrafish and the developmental expression of their glycans will be briefly summarized along with recent chemical biology approaches to visualize certain classes of glycans within developing embryos. Work regarding the role of protein-bound glycans and glycosaminoglycans (GAG) in zebrafish development and organogenesis will also be highlighted. Lastly, future opportunities and challenges in the expanding field of zebrafish glycobiology are discussed.
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74
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Fujishima SH, Yasui R, Miki T, Ojida A, Hamachi I. Ligand-Directed Acyl Imidazole Chemistry for Labeling of Membrane-Bound Proteins on Live Cells. J Am Chem Soc 2012; 134:3961-4. [DOI: 10.1021/ja2108855] [Citation(s) in RCA: 131] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Sho-hei Fujishima
- Department of Synthetic Chemistry
and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510,
Japan
| | - Ryosuke Yasui
- Department of Synthetic Chemistry
and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510,
Japan
| | - Takayuki Miki
- Department of Synthetic Chemistry
and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510,
Japan
| | - Akio Ojida
- Graduate School of
Pharmaceutical
Sciences, Kyushu University, 3-1-1 Maidashi,
Higashi-ku, Fukuoka 812-8582, Japan
| | - Itaru Hamachi
- Department of Synthetic Chemistry
and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510,
Japan
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75
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Dehnert KW, Baskin JM, Laughlin ST, Beahm BJ, Naidu NN, Amacher SL, Bertozzi CR. Imaging the sialome during zebrafish development with copper-free click chemistry. Chembiochem 2012; 13:353-7. [PMID: 22262667 PMCID: PMC3385855 DOI: 10.1002/cbic.201100649] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2011] [Indexed: 11/28/2022]
Affiliation(s)
- Karen W Dehnert
- Department of Chemistry, University of California, B84 Hildebrand Hall 1460, Berkeley, CA 94720, USA
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76
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Hinz FI, Dieterich DC, Tirrell DA, Schuman EM. Non-canonical amino acid labeling in vivo to visualize and affinity purify newly synthesized proteins in larval zebrafish. ACS Chem Neurosci 2012; 3:40-49. [PMID: 22347535 DOI: 10.1021/cn2000876] [Citation(s) in RCA: 95] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Protein expression in the nervous system undergoes regulated changes in response to changes in behavioral states, in particular long-term memory formation. Recently, methods have been developed (BONCAT and FUNCAT), which introduce non-canonical amino acids bearing small bio-orthogonal functional groups into proteins using the cells' own translational machinery. Using the selective 'click reaction', this allows for the identification and visualization of newly synthesized proteins in vitro. Here we demonstrate that non-canonical amino acid labeling can be achieved in vivo in an intact organism capable of simple learning behavior, the larval zebrafish. We show that azidohomoalanine is metabolically incorporated into newly synthesized proteins, in a time- and concentration-dependent manner, but has no apparent toxic effect and does not influence simple behaviors such as spontaneous swimming and escape responses. This enables fluorescent labeling of newly synthesized proteins in whole mount larval zebrafish. Furthermore, stimulation with a GABA antagonist that elicits seizures in the larval zebrafish causes an increase in protein synthesis throughout the proteome, which can also be visualized in intact larvae.
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Affiliation(s)
- Flora I. Hinz
- Division of Biology, California Institute of Technology, Pasadena, California
91125, United States
- Max Planck Institute for Brain Research, D-60528 Frankfurt am Main, Germany
| | - Daniela C. Dieterich
- Emmy Noether Research Group Neuralomics, Leibniz Institute for Neurobiology, D-39118 Magdeburg,
Germany
| | - David A. Tirrell
- Division of Chemistry
and Chemical
Engineering, California Institute of Technology, Pasadena, California 91125, United States
| | - Erin M. Schuman
- Division of Biology, California Institute of Technology, Pasadena, California
91125, United States
- Max Planck Institute for Brain Research, D-60528 Frankfurt am Main, Germany
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77
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McKay CS, Chigrinova M, Blake JA, Pezacki JP. Kinetics studies of rapid strain-promoted [3 + 2]-cycloadditions of nitrones with biaryl-aza-cyclooctynone. Org Biomol Chem 2012; 10:3066-70. [DOI: 10.1039/c2ob07165g] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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78
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Kennedy DC, McKay CS, Legault MCB, Danielson DC, Blake JA, Pegoraro AF, Stolow A, Mester Z, Pezacki JP. Cellular Consequences of Copper Complexes Used To Catalyze Bioorthogonal Click Reactions. J Am Chem Soc 2011; 133:17993-8001. [DOI: 10.1021/ja2083027] [Citation(s) in RCA: 284] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- David C. Kennedy
- Steacie Institute for Molecular Sciences, National Research Council Canada, 100 Sussex Drive, Ottawa K1A 0R6, Canada
| | - Craig S. McKay
- Steacie Institute for Molecular Sciences, National Research Council Canada, 100 Sussex Drive, Ottawa K1A 0R6, Canada
- Department of Chemistry, University of Ottawa, 10 Marie Curie, Ottawa K1N 6N5, Canada
| | - Marc C. B. Legault
- Steacie Institute for Molecular Sciences, National Research Council Canada, 100 Sussex Drive, Ottawa K1A 0R6, Canada
- Department of Chemistry, University of Ottawa, 10 Marie Curie, Ottawa K1N 6N5, Canada
| | - Dana C. Danielson
- Steacie Institute for Molecular Sciences, National Research Council Canada, 100 Sussex Drive, Ottawa K1A 0R6, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, 451 Smyth Road, Ottawa K1H 8M5, Canada
| | - Jessie A. Blake
- Steacie Institute for Molecular Sciences, National Research Council Canada, 100 Sussex Drive, Ottawa K1A 0R6, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, 451 Smyth Road, Ottawa K1H 8M5, Canada
| | - Adrian F. Pegoraro
- Steacie Institute for Molecular Sciences, National Research Council Canada, 100 Sussex Drive, Ottawa K1A 0R6, Canada
| | - Albert Stolow
- Steacie Institute for Molecular Sciences, National Research Council Canada, 100 Sussex Drive, Ottawa K1A 0R6, Canada
| | - Zoltan Mester
- Institute for National Measurement Standards, National Research Council Canada, 1200 Montreal Road, Ottawa ON K1A 0R6, Canada
| | - John Paul Pezacki
- Steacie Institute for Molecular Sciences, National Research Council Canada, 100 Sussex Drive, Ottawa K1A 0R6, Canada
- Department of Chemistry, University of Ottawa, 10 Marie Curie, Ottawa K1N 6N5, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, 451 Smyth Road, Ottawa K1H 8M5, Canada
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79
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Abstract
Bioorthogonal chemistry allows a wide variety of biomolecules to be specifically labeled and probed in living cells and whole organisms. Here we discuss the history of bioorthogonal reactions and some of the most interesting and important advances in the field.
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Affiliation(s)
- Michael Boyce
- Department of Chemistry, University of California, Berkeley, California, USA
| | - Carolyn R Bertozzi
- Departments of Chemistry and Molecular and Cell Biology, and Howard Hughes Medical Institute, University of California, Berkeley, California, USA
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