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Development Of High Spatial And High Mass Resolution Mass Spectrometric Imaging Msi And Its Application To The Study Of Small Metabolites And Endogenous Molecules Of Plants
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Book Synopsis Development of High-spatial and High-mass Resolution Mass Spectrometric Imaging (MSI) and Its Application to the Study of Small Metabolites and Endogenous Molecules of Plants by :
Download or read book Development of High-spatial and High-mass Resolution Mass Spectrometric Imaging (MSI) and Its Application to the Study of Small Metabolites and Endogenous Molecules of Plants written by and published by . This book was released on 2012 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-spatial and high-mass resolution laser desorption ionization (LDI) mass spectrometric (MS) imaging technology was developed for the attainment of MS images of higher quality containing more information on the relevant cellular and molecular biology in unprecedented depth. The distribution of plant metabolites is asymmetric throughout the cells and tissues, and therefore the increase in the spatial resolution was pursued to reveal the localization of plant metabolites at the cellular level by MS imaging. For achieving high-spatial resolution, the laser beam size was reduced by utilizing an optical fiber with small core diameter (25 [mu]m) in a vacuum matrix-assisted laser desorption ionization-linear ion trap (vMALDI-LTQ) mass spectrometer. Matrix application was greatly improved using oscillating capillary nebulizer. As a result, single cell level spatial resolution of ~ 12 [mu]m was achieved. MS imaging at this high spatial resolution was directly applied to a whole Arabidopsis flower and the substructures of an anther and single pollen grains at the stigma and anther were successfully visualized. MS imaging of high spatial resolution was also demonstrated to the secondary roots of Arabidopsis thaliana and a high degree of localization of detected metabolites was successfully unveiled. This was the first MS imaging on the root for molecular species. MS imaging with high mass resolution was also achieved by utilizing the LTQ-Orbitrap mass spectrometer for the direct identification of the surface metabolites on the Arabidopsis stem and root and differentiation of isobaric ions having the same nominal mass with no need of tandem mass spectrometry (MS/MS). MS imaging at high-spatial and high-mass resolution was also applied to cer1 mutant of the model system Arabidopsis thaliana to demonstrate its usefulness in biological studies and reveal associated metabolite changes in terms of spatial distribution and/or abundances compared to those of wild-type. The spatial distribution of targeted metabolites, mainly waxes and flavonoids, was systematically explored on various organs, including flowers, leaves, stems, and roots at high spatial resolution of ~ 12-50 [mu]m and the changes in the abundance level of these metabolites were monitored on the cer1 mutant with respect to the wild-type. This study revealed the metabolic biology of CER1 gene on each individual organ level with very detailed high spatial resolution. The separate MS images of isobaric metabolites, i.e. C29 alkane vs. C28 aldehyde could be constructed on both genotypes from MS imaging at high mass resolution. This allows tracking of abundance changes for those compounds along with the genetic mutation, which is not achievable with low mass resolution mass spectrometry. This study supported previous hypothesis of molecular function of CER1 gene as aldehyde decarbonylase, especially by displaying hyper accumulation of aldehydes and C30 fatty acid and decrease in abundance of alkanes and ketones in several plant organs of cer1 mutant. The scope of analytes was further directed toward internal cell metabolites from the surface metabolites of the plant. MS profiling and imaging of internal cell metabolites were performed on the vibratome section of Arabidopsis leaf. Vibratome sectioning of the leaf was first conducted to remove the surface cuticle layer and it was followed by enzymatic treatment of the section to induce the digestion of primary cell walls, middle lamella, and expose the internal cells underneath to the surface for detection with the laser by LDI-MS. The subsequent MS imaging onto the enzymatically treated vibratome section allowed us to map the distribution of the metabolites in the internal cell layers, linolenic acid (C18:3 FA) and linoleic acid (C18:2 FA). The development of an assay for relative quantification of analytes at the single subcellular/organelle level by LDI-MS imaging was attempted and both plausibility and significant obstacles were seen. As ...
Book Synopsis A Mass Spectrometry Imaging-based Platform by :
Download or read book A Mass Spectrometry Imaging-based Platform written by and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mass spectrometry imaging (MSI) has evolved as a promising technology to map a broad range of molecules ranging from metabolites, peptides to proteins in an anatomical context. In this work, a multi-dimensional MSI-based platform was developed and applied to investigate several intriguing biological problems. This dissertation first introduces the rationale and recent progress of MSI, reviews its emerging applications to various fields and outlines one limitation that the detection of low molecular weight (MW) species is usually hindered by matrix-derived peaks. An ionless matrix referred as the proton sponge is therefore investigated as a solution to eliminate the interferences. It allows for probing metabolites in roots and root nodules of leguminous plants Medicago truncatula that possess symbiotic interactions with nitrogen-fixing rhizobia, highlighting differences in metabolic distribution between roots and nodules. In addition to exploring novel matrices, high resolution and high accuracy MSI (HRMSI) is also developed to circumvent matrix interferences by resolving endogenous analytes from background peaks. Novel spatial information of multiple metabolites and neurotransmitters is gleaned using rodent and crustacean brain specimens in this proof-of-principle study. Beyond metabolites, the HRMSI-based approach is applied to map neuropeptides in crustacean stomatogastric ganglia. Complementary to MALDI-MS, electrospray ionization (ESI)-MS-based experiments deliver another suite of neuropeptides. We therefore combine multiple MS instruments and compared their performances for characterization of novel neuropeptides from a marine model organism, the spiny lobster Panulirus interruptus. In addition to peptides, MALDI-MSI has also been applied to mapping protein distributions in the brain under pharmacological treatment. Specifically, alterations of protein expression patterns in the brains of infant rats were studied following neonatal exposure to the N-methyl-D-aspartate receptor antagonist dizocilpine (MK 801). A strategy combining profiling and imaging MS and top-down high-resolution tandem MS is utilized to discover putative protein biomarkers that may serve as potential targets of treatments for neurodevelopmental disorders. This work not only improves upon MSI by developing new methods, but also presents a useful platform that integrates MALDI-MSI with ESI-MS in exploring the underlying chemistry of various biological models exemplified by rodent, crustacean and plant-bacteria systems, and demonstrates wide applicability to future research.
Book Synopsis Mass Spectrometry Imaging of Small Molecules by : Lin He
Download or read book Mass Spectrometry Imaging of Small Molecules written by Lin He and published by Humana Press. This book was released on 2014-11-01 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mass Spectroscopy Imaging (MSI) has emerged as an enabling technique to provide insight into the molecular entities within cells, tissues and whole-body samples and to understand inherent complexities within biological metabolomes. In Mass Spectrometry Imaging of Small Molecules: Methods and Protocols, experts in the MSI field present techniques for 2D and 3D visualization and quantification of a wide array of small molecular species present in biologically relevant samples. Chapters provide detailed operational instructions from sample preparation to method selection, from comparative quantification to structural identification and from data collection to visualization of small molecule mapping in complex samples. Written in the successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible protocols and notes on troubleshooting and avoiding known pitfalls. Authoritative and easily accessible, Mass Spectrometry Imaging of Small Molecules: Methods and Protocols aims to bring the rapidly maturing methods of metabolic imaging to life science researchers and to minimize technical intimidation in adapting new technological platforms in biological research.
Book Synopsis Introduction to Spatial Mapping of Biomolecules by Imaging Mass Spectrometry by : Bindesh Shrestha
Download or read book Introduction to Spatial Mapping of Biomolecules by Imaging Mass Spectrometry written by Bindesh Shrestha and published by Elsevier. This book was released on 2021-04-23 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Imaging mass spectrometry (MS) techniques are often utilized without an understanding of their underlying principles, making it difficult for scientists to determine when and how they can exploit MS to visualize their biomolecules of interest. Introduction to Spatial Mapping of Biomolecules by Imaging Mass Spectrometry is an essential reference to help scientists determine the status and strategies of biomolecule analysis, describing its many applications for diverse classes of biomolecules. The book builds a foundation of imaging MS knowledge by introducing ionization sources, sample preparation, visualization guidelines, molecule identification, quantification, data analysis, etc. The second section contains chapters focused on case studies on analyzing a biomolecule class of molecules. Case studies include an introduction/background, and a summary of successful imaging MS studies with illustrative figures and future directions. - Provides the introductory foundations of imaging mass spectrometry for those new to the technique - Organized by topic to facilitate a quick deep dive, allowing researchers to immediately apply the imaging MS techniques to their work - Includes case studies summarizing the imaging MS techniques developed for the class of molecules
Book Synopsis Mass Spectrometry Imaging by : Stanislav S. Rubakhin
Download or read book Mass Spectrometry Imaging written by Stanislav S. Rubakhin and published by Humana Press. This book was released on 2012-10-13 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mass spectrometry (MS) offers unmatched capabilities for the detection, characterization, and identification of a broad range of analytes. Mass spectrometry imaging (MSI) integrates MS data with information on the spatial distributions of the analytes, further enhancing the applicability of MS. In Mass Spectrometry Imaging: Principles and Protocols, expert practitioners from academia, industry, and the clinic contribute cutting-edge protocols describing the application of MSI to investigations of analyte localization in a variety of specimens, from microorganisms to plant and animal tissues. Divided into three sections, this volume presents the principles of MS, current and future trends of MSI, and qualitative and quantitative protocols to measure and identify endogenous metabolites and xenobiotics. An array of MSI approaches and technologies for characterizing peptide and protein distributions are described in detail. Written in the highly successful Methods in Molecular BiologyTM series format, protocol chapters include introductions to their respective topics, lists of the necessary materials and reagents, and step-by-step, readily reproducible laboratory procedures. Also included are notes providing tips to avoid experimental pitfalls and helpful suggestions for method troubleshooting. Comprehensive and up-to-date, Mass Spectrometry Imaging: Principles and Protocols is written for scientists, biological and chemical engineers, and clinicians who are interested in applying MSI in their work and those who would benefit from having detailed experimental guidelines available in a single, convenient source.
Book Synopsis MALDI Mass Spectrometry Imaging by : Tiffany Siegel Porta
Download or read book MALDI Mass Spectrometry Imaging written by Tiffany Siegel Porta and published by Royal Society of Chemistry. This book was released on 2021-12-03 with total page 541 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers knowledge about matrix-assisted laser desorption ionisation (MALDI) mass spectrometry imaging for postgraduate and professional researchers in academia and in industry where it has direct application to clinical research.
Book Synopsis Mass Spectrometry Imaging of Small Molecules by : Lin He
Download or read book Mass Spectrometry Imaging of Small Molecules written by Lin He and published by Humana. This book was released on 2016-09-22 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents new developments in the field of mass spectrometry imaging, covering imaging, software, data analysis, new instrumentations, and new methodological approaches. Chapters provide detailed operational instructions from sample preparation to method selection, from comparative quantification to structural identification and from data collection to visualization of small molecule mapping in complex samples. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and cutting-edge, Mass Spectrometry Imaging of Small Molecules aims to to bring the rapidly maturing methods of metabolic imaging to life science researchers and to minimize technical intimidation in adapting new technological platforms in biological research.
Book Synopsis Imaging Mass Spectrometry by : Laura M Cole
Download or read book Imaging Mass Spectrometry written by Laura M Cole and published by Springer Nature. This book was released on 2023-07-06 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second edition details new and updated chapters on key methodologies and breakthroughs in the mass spectrometry imaging (MSI) field. Chapters guide readers through nano-Desorption Electrospray Ionisation (nDESI), Matrix Assisted Laser Desorption Ionisation-2 (MALDI-2), Laser Ablation - Inductively Coupled Plasma-Mass Spectrometry (LA-ICP-MS) ,Imaging Mass Cytometry (IMC) with a variety of diverse samples including eye tissue, crop analysis, 3D cell culture models, and counterfeit goods analysis. Written in the format of the highly successful Methods in Molecular Biology series, each chapter includes an introduction to the topic, lists necessary materials and reagents, includes tips on troubleshooting and known pitfalls, and step-by-step, readily reproducible protocols. Authoritative and cutting-edge, Imaging Mass Spectrometry: Methods and Protocols, Second Edition aims to be a useful and practical guide to new researchers and experts looking to expand their knowledge.
Book Synopsis Ambient Ionization Mass Spectrometry by : Marek Domin
Download or read book Ambient Ionization Mass Spectrometry written by Marek Domin and published by Royal Society of Chemistry. This book was released on 2014-11-25 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ambient ionization has emerged as one of the hottest and fastest growing topics in mass spectrometry enabling sample analysis with minimal sample preparation. Introducing the subject and explaining the basic concepts and terminology, this book will provide a comprehensive, unique treatise devoted to the subject. Written by acknowledged experts, there are full descriptions on how new ionization techniques work, with an overview of their strengths, weaknesses and applications. This title will bring the reader right up to date, with both applications and theory, and will be suitable as a tutorial text for those starting in the field from a variety of disciplines.
Download or read book Neuroproteomics written by Oscar Alzate and published by CRC Press. This book was released on 2009-10-26 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this, the post-genomic age, our knowledge of biological systems continues to expand and progress. As the research becomes more focused, so too does the data. Genomic research progresses to proteomics and brings us to a deeper understanding of the behavior and function of protein clusters. And now proteomics gives way to neuroproteomics as we beg
Book Synopsis Method Development and Application of Mass Spectrometry Imaging to Study Symbiotic Relationships Between Bacteria and Host Organisms by :
Download or read book Method Development and Application of Mass Spectrometry Imaging to Study Symbiotic Relationships Between Bacteria and Host Organisms written by and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metabolic profiling can help shed light on cellular mechanisms; however a major technical challenge is to study endogenous metabolomic pathways without perturbing them. Most of the techniques currently in use for metabolomics studies in biological systems rely on tissue extracts which destroy the samples and result in the loss of information about analyte distribution within the tissue. Mass spectrometry imaging (MSI) has evolved as a promising technology to map a wide range of biomolecules in an anatomical context. In this dissertation, a multi-dimensional mass spectrometry-based platform was developed and applied to study interactions between bacteria and host organisms. Specifically, this work aimed to study the symbiotic relationship between soil bacteria and legume plants for agricultural and environmental sustainability applications, as well as the symbiosis between bacteria and leaf cutter ants and humans and our gut microbiota for the discovery of potentially novel antibiotics and antifungals. High-resolution, accurate-mass (HRAM) matrix-assisted laser desorption/ ionization (MALDI)-MSI was used to compare differentially treated biological samples, and liquid chromatography (LC)- electrospray ionization (ESI)- tandem mass spectrometry (MS/MS) coupled with database searching was used as a complementary mass spectrometry technique to identify interesting metabolites chosen from the MSI experiments. This work not only improves upon MSI by exploring novel sample preparation methods, but also presents a useful platform that integrates MALDI-MSI with ESI-MS in exploring the underlying chemistry of several biological symbiotic systems.
Book Synopsis Neurotransmitters and Neuromodulators by : Oliver von Bohlen und Halbach
Download or read book Neurotransmitters and Neuromodulators written by Oliver von Bohlen und Halbach and published by John Wiley & Sons. This book was released on 2006-12-13 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: A complete update of the highly acclaimed handbook with data on all neurotransmitters and the majority of neuromodulators. The coverage is now even more comprehensive, with 15% more entries on neuropeptides, "classic" neurotransmitters and related substances in a clear, alphabetical format. The methodological section has been expanded by 50% and now includes color figures, plus new chapters on genomics, proteomics, databases, microarrays, MALDI-TOF, neutrophins, FGF, endocannabinoids and neuroimaging. The text provides clearly structured information on the biosynthesis and degradation, localization, receptors, signal transduction pathways, and biological effects in the central nervous system, with all substances uniformly treated for an easy comparison of data. Furthermore, introductory chapters on receptors, transporters, and the blood-brain barrier make this an indispensable tool for researchers, teachers, and advanced students, as well as a must-have for every neuroscientist.
Book Synopsis Ion Mobility-Mass Spectrometry by : Alison E Ashcroft
Download or read book Ion Mobility-Mass Spectrometry written by Alison E Ashcroft and published by Royal Society of Chemistry. This book was released on 2021-11-11 with total page 621 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last decade, the use of ion mobility separation in combination with mass spectrometry analysis has developed significantly. This technique adds a unique extra dimension enabling the in-depth analysis of a wide range of complex samples in the areas of the chemical and biological sciences. Providing a comprehensive guide to the technique, each chapter is written by an internationally recognised expert and with numerous different commercial platforms to choose from, this book will help the end users understand the practicalities of using different instruments for different ion mobility purposes. The first section provides a detailed account of the fundamentals behind the technique and the current range of available instrumentation. The second section focusses on the wide range of applications that have benefitted from ion mobility – mass spectrometry and includes topics taken from current research in the pharmaceutical, metabolomics, glycomics, and structural molecular biology fields. The book is primarily aimed at researchers, appealing to practising chemists and biochemists, as well as those in the pharmaceutical and medical fields.
Book Synopsis Methodologies for Metabolomics by : Norbert W. Lutz
Download or read book Methodologies for Metabolomics written by Norbert W. Lutz and published by Cambridge University Press. This book was released on 2013-01-21 with total page 641 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metabolomics, the global characterisation of the small molecule complement involved in metabolism, has evolved into a powerful suite of approaches for understanding the global physiological and pathological processes occurring in biological organisms. The diversity of metabolites, the wide range of metabolic pathways and their divergent biological contexts require a range of methodological strategies and techniques. Methodologies for Metabolomics provides a comprehensive description of the newest methodological approaches in metabolomic research. The most important technologies used to identify and quantify metabolites, including nuclear magnetic resonance and mass spectrometry, are highlighted. The integration of these techniques with classical biological methods is also addressed. Furthermore, the book presents statistical and chemometric methods for evaluation of the resultant data. The broad spectrum of topics includes a vast variety of organisms, samples and diseases, ranging from in vivo metabolomics in humans and animals to in vitro analysis of tissue samples, cultured cells and biofluids.
Book Synopsis Imaging Mass Spectrometry by : Mitsutoshi Setou
Download or read book Imaging Mass Spectrometry written by Mitsutoshi Setou and published by Springer Science & Business Media. This book was released on 2010-01-29 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Addressing the widespread need for a practical guide to imaging mass spectrometry (IMS), this book presents the protocols of IMS technology. As that technology expands, research groups around the world continue its development. Pharmaceutical companies are using IMS for drug analyses to study pharmacokinetics and medical properties of drugs. Drug research and disease-related biomarker screening are experiencing greater use of this technology, with a concurrent increase in the number of researchers in academia and industry interested in wider applications of IMS. Intended for beginners or those with limited experience with IMS technology, this book provides practical details and instructions needed for immediate know-how, including the preparation of animal tissue samples, the application of a matrix, instrumental operations, and data analysis, among others. By describing the foundations of IMS, this volume contributes to the ongoing development of the field and to progress in human health.
Book Synopsis Whole-body Autoradiography by : C. G. Curtis
Download or read book Whole-body Autoradiography written by C. G. Curtis and published by . This book was released on 1981 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Processing Metabolomics and Proteomics Data with Open Software by : Robert Winkler
Download or read book Processing Metabolomics and Proteomics Data with Open Software written by Robert Winkler and published by Royal Society of Chemistry. This book was released on 2020-03-19 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metabolomics and proteomics allow deep insights into the chemistry and physiology of biological systems. This book expounds open-source programs, platforms and programming tools for analysing metabolomics and proteomics mass spectrometry data. In contrast to commercial software, open-source software is created by the academic community, which facilitates the direct interaction between users and developers and accelerates the implementation of new concepts and ideas. The first section of the book covers the basics of mass spectrometry, experimental strategies, data operations, the open-source philosophy, metabolomics, proteomics and statistics/ data mining. In the second section, active programmers and users describe available software packages. Included tutorials, datasets and code examples can be used for training and for building custom workflows. Finally, every reader is invited to participate in the open science movement.
