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Title: Subcellular-level resolution MALDI-MS imaging of maize leaf metabolites by MALDI-linear ion trap-Orbitrap mass spectrometer

Journal Article · · Analytical and Bioanalytical Chemistry
 [1];  [2];  [1];  [1]
  1. Iowa State Univ., Ames, IA (United States); Ames Lab., Ames, IA (United States)
  2. Iowa State Univ., Ames, IA (United States)

A significant limiting factor in achieving high spatial resolution for matrix-assisted laser desorption ionization-mass spectrometry (MALDI-MS) imaging is the size of the laser spot at the sample surface. We present modifications to the beam-delivery optics of a commercial MALDI-linear ion trap-Orbitrap instrument, incorporating an external Nd:YAG laser, beam-shaping optics, and an aspheric focusing lens, to reduce the minimum laser spot size from ~50 μm for the commercial configuration down to ~9 μm for the modified configuration. This improved system was applied for MALDI-MS imaging of cross sections of juvenile maize leaves at 5-μm spatial resolution using an oversampling method. There are a variety of different metabolites including amino acids, glycerolipids, and defense-related compounds were imaged at a spatial resolution well below the size of a single cell. Such images provide unprecedented insights into the metabolism associated with the different tissue types of the maize leaf, which is known to asymmetrically distribute the reactions of C4 photosynthesis among the mesophyll and bundle sheath cell types. The metabolite ion images correlate with the optical images that reveal the structures of the different tissues, and previously known and newly revealed asymmetric metabolic features are observed.

Research Organization:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-07CH11358
OSTI ID:
1226917
Report Number(s):
IS-J 8571; PII: 8460
Journal Information:
Analytical and Bioanalytical Chemistry, Vol. 407, Issue 8; ISSN 1618-2642
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 96 works
Citation information provided by
Web of Science

References (40)

Compound and metabolite distribution measured by MALDI mass spectrometric imaging in whole-body tissue sections journal February 2007
Sublimation as a method of matrix application for mass spectrometric imaging journal September 2007
High-Spatial and High-Mass Resolution Imaging of Surface Metabolites of Arabidopsis thaliana by Laser Desorption-Ionization Mass Spectrometry Using Colloidal Silver journal April 2010
Imaging MALDI Mass Spectrometry Using an Oscillating Capillary Nebulizer Matrix Coating System and Its Application to Analysis of Lipids in Brain from a Mouse Model of Tay−Sachs/Sandhoff Disease journal April 2008
Dynamics of ions of intact proteins in the Orbitrap mass analyzer journal August 2009
Mass Spectrometric Imaging for Biomedical Tissue Analysis journal May 2010
MALDI Mass Spectrometry Imaging in Microscope Mode with Infrared Lasers: Bypassing the Diffraction Limits journal December 2013
Scanning microprobe matrix-assisted laser desorption ionization (SMALDI) mass spectrometry: Instrumentation for sub-micrometer resolved LDI and MALDI surface analysis journal June 2002
Histology by Mass Spectrometry: Label-Free Tissue Characterization Obtained from High-Accuracy Bioanalytical Imaging journal April 2010
Matrix-free UV-laser desorption/ionization (LDI) mass spectrometric imaging at the single-cell level: distribution of secondary metabolites of Arabidopsis thaliana and Hypericum species: Matrix-free UV-LDI mass spectrometric imaging at the single-cell level journal December 2009
Laser Beam Filtration for High Spatial Resolution MALDI Imaging Mass Spectrometry journal May 2013
Implementation of a Gaussian Beam Laser and Aspheric Optics for High Spatial Resolution MALDI Imaging MS journal April 2014
MALDI Mass Spectrometry Imaging of Bioactive Lipids in Mouse Brain with a Synapt G2-S Mass Spectrometer Operated at Elevated Pressure: Improving the Analytical Sensitivity and the Lateral Resolution to Ten Micrometers journal July 2014
Targeted Multiplex Imaging Mass Spectrometry in Transmission Geometry for Subcellular Spatial Resolution journal February 2013
Direct imaging of single cells and tissue at sub-cellular spatial resolution using transmission geometry MALDI MS: Single-cell imaging with transmission geometry journal November 2012
MALDI-MS imaging of features smaller than the size of the laser beam journal October 2005
Detection of phosphoenolpyruvate and ribulose 1,5-bisphosphate carboxylase transcripts in maize leaves by in situ hybridization with sulfonated cDNA probes. journal April 1989
Functional Differentiation of Bundle Sheath and Mesophyll Maize Chloroplasts Determined by Comparative Proteomics journal October 2005
MALDI-MS analysis and imaging of small molecule metabolites with 1,5-diaminonaphthalene (DAN): Diaminonaphthalene as small molecule MALDI matrix journal July 2014
Multiplex MALDI-MS Imaging of Plant Metabolites Using a Hybrid MS System book October 2014
MALDI produced ions inspected with a linear ion trap-orbitrap hybrid mass analyzer journal August 2009
Determination of flavone, flavonol, and flavanone aglycones by negative ion liquid chromatography electrospray ion trap mass spectrometry journal June 2001
Phloem Loading: How Leaves Gain Their Independence journal January 2006
The Phenylpropanoid Pathway in Arabidopsis journal January 2011
Effect of Maysin on Wild-Type, Deltamethrin-Resistant, and Bt-Resistant Helicoverpa armigera (Lepidoptera: Noctuidae) journal June 2003
Differential accumulation of maysin and rhamnosylisoorientin in leaves of high-altitude landraces of maize after UV-B exposure journal June 2005
Characterization of a flavonoid 3-O-glucosyltransferase and its activity during cotyledon growth in buckwheat (Fagopyrum esculentum) journal November 2005
Roles of the acidic lipids sulfoquinovosyl diacylglycerol and phosphatidylglycerol in photosynthesis: their specificity and evolution journal November 2004
Phosphatidylglycerol and Chilling Sensitivity in Plants journal March 1985
The Fatty Acid Composition of Phosphatidylglycerol and Sulfoquinovosyldiacylglycerol of Higher Plants in Relation to Chilling Sensitivity journal August 1986
Lipid molecular species composition of thylakoid membranes journal January 1980
Induction and detoxification of maize 1,4-benzoxazin-3-ones by insect herbivores: Defense induction and detoxification in maize journal October 2011
Analysis of a Chemical Plant Defense Mechanism in Grasses journal August 1997
Natural Variation in Maize Aphid Resistance Is Associated with 2,4-Dihydroxy-7-Methoxy-1,4-Benzoxazin-3-One Glucoside Methyltransferase Activity journal June 2013
Role of natural benzoxazinones in the survival strategy of plants book January 2000
What role does sulpholipid play within the thylakoid membrane? journal January 1986
What role does sulpholipid play within the thylakoid membrane? book January 1986
Effect of Maysin on Wild-Type, Deltamethrin-Resistant, and Bt-Resistant Helicoverpa armigera (Lepidoptera: Noctuidae) journal June 2003
Natural Variation in Maize Aphid Resistance Is Associated with 2,4-Dihydroxy-7-Methoxy-1,4-Benzoxazin-3-One Glucoside Methyltransferase Activity text January 2013
Direct imaging of single cells and tissue at sub-cellular spatial resolution using transmission geometry MALDI MS journal November 2012

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