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Zhao Y, Su Z, Zhang X, Wu D, Wu Y, Li G. Recent advances in nanopore-based analysis for carbohydrates and glycoconjugates. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:1454-1467. [PMID: 38415741 DOI: 10.1039/d3ay02040a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
Saccharides are not only the basic constituents and nutrients of living organisms, but also participate in various life activities, and play important roles in cell recognition, immune regulation, development, cancer, etc. The analysis of carbohydrates and glycoconjugates is a necessary means to study their transformations and physiological roles in living organisms. Existing detection techniques can hardly meet the requirements for the analysis of carbohydrates and glycoconjugates in complex matrices as they are expensive, involve complex derivatization, and are time-consuming. Nanopore sensing technology, which is amplification-free and label-free, and is a high-throughput process, provides a new solution for the identification and sequencing of carbohydrates and glycoconjugates. This review highlights recent advances in novel nanopore-based single-molecule sensing technologies for the detection of carbohydrates and glycoconjugates and discusses the advantages and challenges of nanopore sensing technologies. Finally, current issues and future perspectives are discussed with the aim of improving the performance of nanopores in complex media diagnostic applications, as well as providing a new direction for the quantification of glycan chains and the study of glycan chain properties and functions.
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Affiliation(s)
- Yan Zhao
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
| | - Zhuoqun Su
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
| | - Xue Zhang
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
| | - Di Wu
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast, BT9 5DL, UK
| | - Yongning Wu
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
- NHC Key Laboratory of Food Safety Risk Assessment, Food Safety Research Unit (2019RU014) of Chinese Academy of Medical Science, China National Center for Food Safety Risk Assessment, Beijing 100021, China
| | - Guoliang Li
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
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Zhang X, Lin M, Dai Y, Xia F. Stochastic Sensing of Dynamic Interactions and Chemical Reactions with Nanopores/Nanochannels. Anal Chem 2023. [PMID: 37413795 DOI: 10.1021/acs.analchem.3c00543] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/08/2023]
Abstract
Nanopore sensing technology is an emerging analysis method with the advantages of simple operation, high sensitivity, fast output and being label free, and it is widely used in protein analysis, gene sequencing, biomarker detection, and other fields. The confined space of the nanopore provides a place for dynamic interactions and chemical reactions between substances. The use of nanopore sensing technology to track these processes in real time is helpful to understand the interaction/reaction mechanism at the single-molecule level. According to nanopore materials, we summarize the development of biological nanopores and solid-state nanopores/nanochannels in the stochastic sensing of dynamic interactions and chemical reactions. The goal of this paper is to stimulate the interest of researchers and promote the development of this field.
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Affiliation(s)
- Xiaojin Zhang
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Meihua Lin
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Yu Dai
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Fan Xia
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
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Suginta W, Sanram S, Aunkham A, Winterhalter M, Schulte A. The C2 entity of chitosugars is crucial in molecular selectivity of the Vibrio campbellii chitoporin. J Biol Chem 2021; 297:101350. [PMID: 34715124 PMCID: PMC8608610 DOI: 10.1016/j.jbc.2021.101350] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 10/21/2021] [Accepted: 10/22/2021] [Indexed: 12/14/2022] Open
Abstract
The marine bacterium Vibrio campbellii expresses a chitooligosaccharide-specific outer-membrane channel (chitoporin) for the efficient uptake of nutritional chitosugars that are externally produced through enzymic degradation of environmental host shell chitin. However, the principles behind the distinct substrate selectivity of chitoporins are unclear. Here, we employed black lipid membrane (BLM) electrophysiology, which handles the measurement of the flow of ionic current through porins in phospholipid bilayers for the assessment of porin conductivities, to investigate the pH dependency of chitosugar-chitoporin interactions for the bacterium's natural substrate chitohexaose and its deacetylated form, chitosan hexaose. We show that efficient passage of the N-acetylated chitohexaose through the chitoporin is facilitated by its strong affinity for the pore. In contrast, the deacetylated chitosan hexaose is impermeant; however, protonation of the C2 amino entities of chitosan hexaose allows it to be pulled through the channel in the presence of a transmembrane electric field. We concluded from this the crucial role of C2-substitution as the determining factor for chitoporin entry. A change from N-acetylamino- to amino-substitution effectively abolished the ability of approaching molecules to enter the chitoporin, with deacetylation leading to loss of the distinctive structural features of nanopore opening and pore access of chitosugars. These findings provide further understanding of the multistep pathway of chitin utilization by marine Vibrio bacteria and may guide the development of solid-state or genetically engineered biological nanopores for relevant technological applications.
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Affiliation(s)
- Wipa Suginta
- School of Biomolecular Science and Engineering (BSE), Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, Thailand.
| | - Surapoj Sanram
- School of Biomolecular Science and Engineering (BSE), Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, Thailand
| | - Anuwat Aunkham
- School of Biomolecular Science and Engineering (BSE), Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, Thailand
| | - Mathias Winterhalter
- Department of Life Sciences and Chemistry, Jacobs University Bremen, Bremen, Germany
| | - Albert Schulte
- School of Biomolecular Science and Engineering (BSE), Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, Thailand.
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Crnković A, Srnko M, Anderluh G. Biological Nanopores: Engineering on Demand. Life (Basel) 2021; 11:life11010027. [PMID: 33466427 PMCID: PMC7824896 DOI: 10.3390/life11010027] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/24/2020] [Accepted: 12/31/2020] [Indexed: 12/17/2022] Open
Abstract
Nanopore-based sensing is a powerful technique for the detection of diverse organic and inorganic molecules, long-read sequencing of nucleic acids, and single-molecule analyses of enzymatic reactions. Selected from natural sources, protein-based nanopores enable rapid, label-free detection of analytes. Furthermore, these proteins are easy to produce, form pores with defined sizes, and can be easily manipulated with standard molecular biology techniques. The range of possible analytes can be extended by using externally added adapter molecules. Here, we provide an overview of current nanopore applications with a focus on engineering strategies and solutions.
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Design and Assembly of Transmembrane Helix Barrel. J Membr Biol 2020; 253:491-497. [PMID: 33200236 DOI: 10.1007/s00232-020-00145-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 10/08/2020] [Indexed: 10/23/2022]
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Vikraman D, Satheesan R, Kumar KS, Mahendran KR. Nanopore Passport Control for Substrate-Specific Translocation. ACS NANO 2020; 14:2285-2295. [PMID: 31976649 DOI: 10.1021/acsnano.9b09408] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Membrane protein pores have demonstrated applications in nanobiotechnology and single-molecule chemistry for effective detection of biomolecules. Here, we define the molecular basis of carbohydrate polymers translocation through a substrate-specific bacterial nanopore, CymA, which has a 15-residue N terminus segment inside the pore, restricting its diameter. Using single-channel recordings, we determined the kinetics of cationic cyclic oligosaccharide binding and elucidated the translocation mechanism across the pore in real-time. The cationic cyclic hexasaccharide binds to the densely packed negatively charged residues at the extracellular side of the pore with high affinity, facilitating its entry into the pore driven by the applied voltage. Further, the dissociation rate constant increased with increasing voltages, indicating unidirectional translocation toward the pore exit. Specifically, a larger cationic cyclic octasaccharide rapidly blocked the pore more effectively, resulting in the complete closure of the pore with increasing voltage, implying only strong binding. Further, we show that uncharged oligosaccharides exclusively bind to the extracellular side of the pore and the electroosmotic flow most likely drives their translocation. We propose that CymA favors selective translocation of cyclic hexasaccharide and linear maltooligosaccharides due to an asymmetrical charge pattern and the N terminus that regulates the substrate transport. We suggest that this substrate-specific nanopore with sophisticated geometry will be useful for complex biopolymer characterization.
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Affiliation(s)
- Devika Vikraman
- Membrane Biology Laboratory, Interdisciplinary Research Program , Rajiv Gandhi Centre for Biotechnology , Thiruvananthapuram 695014 , India
| | - Remya Satheesan
- Membrane Biology Laboratory, Interdisciplinary Research Program , Rajiv Gandhi Centre for Biotechnology , Thiruvananthapuram 695014 , India
- Manipal Academy of Higher Education , Manipal , Karnataka , 576104 , India
| | - K Santhosh Kumar
- Membrane Biology Laboratory, Interdisciplinary Research Program , Rajiv Gandhi Centre for Biotechnology , Thiruvananthapuram 695014 , India
| | - Kozhinjampara R Mahendran
- Membrane Biology Laboratory, Interdisciplinary Research Program , Rajiv Gandhi Centre for Biotechnology , Thiruvananthapuram 695014 , India
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