ArticleFrontiers in plant science2020
Visualizing Genotypic and Developmental Differences of Free Amino Acids in Maize Roots With Mass Spectrometry Imaging.
Article in Frontiers in plant science, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 37 citations in OpenAlex.
- MALDI Matrix: Origins, Innovations, and Frontiers.Chemical reviews · 2026Review
- Discrete and cell-specific hypoxic responses in Arabidopsis roots resolved by single-nuclei transcriptomics.The New phytologist · 2026Article
- Coordinated regulation of amino acid metabolism and transport in cereal nitrogen remobilization for grain filling.Frontiers in plant science · 2026Review
- Quantitative ambient mass spectrometry imaging in plants: A perspective on challenges and future applications.Current opinion in plant biology · 2025Review
- Spatial Metabolomics and Its Application in Plant Research.International journal of molecular sciences · 2025Review
- Mass Spectrometry Imaging of Coniine and Other Hemlock Alkaloids after On-Tissue Derivatization Reveals Distinct Alkaloid Distributions in the Plant.Journal of natural products · 2024Article
- Spatio-Temporal Study of Galactolipid Biosynthesis in Duckweed Using Mass Spectrometry Imaging and in vivo Isotope Labeling.Plant & cell physiology · 2024Article
- Imaging plant metabolism in situ.Journal of experimental botany · 2024Review
- Mass spectrometry imaging ofFrontiers in plant science · 2024Article
- Chemical imaging reveals diverse functions of tricarboxylic acid metabolites in root growth and development.Nature communications · 2023Article
- On-tissue chemical derivatization in mass spectrometry imaging.Mass spectrometry reviews · 2022Review
- Crop genetic diversity uncovers metabolites, elements, and gene networks predicted to be associated with high plant biomass yields in maize.PNAS nexus · 2022Article
- Nanosecond Photochemical Reaction for Enhanced Identification, Quantification, and Visualization of Primary Amine-Containing Metabolites by MALDI-Mass Spectrometry.Analytical chemistry · 2022Article
- A glass bead semi-hydroponic system for intact maize root exudate analysis and phenotyping.Plant methods · 2022Article
- The utility of metabolomics as a tool to inform maize biology.Plant communications · 2021Review
- Direct Imaging of Plant Metabolites in the Rhizosphere Using Laser Desorption Ionization Ultra-High Resolution Mass Spectrometry.Frontiers in plant science · 2021Article
- Plant Single-Cell Metabolomics-Challenges and Perspectives.International journal of molecular sciences · 2020Review
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Amino acids are essential biological compounds in plants as they store nitrogen, an essential nutrient, and are the building blocks for proteins that drive biological activity. Amino acids have been studied using a wide variety of analytical techniques in different plant systems, however, mass spectrometry imaging (MSI) is a particularly useful technique as it allows for the simultaneous collection of both chemical and spatial information. In this work, matrix-assisted laser desorption/ionization (MALDI)-MSI is used to study the different localization of free amino acids in the roots of maize inbred lines B73 and Mo17 and their reciprocal hybrids. Because amino acids are difficult to detect in mass spectrometry, especially directly on tissues, a chemical derivatization protocol is utilized to increase the ionization efficiency and improve their detection. We report differences in both abundance and localization of amino acids in B73 and Mo17 maize roots and suggest the hybrids show evidence of inheriting characteristics from both parents. Most genotypic differences are found in the cross-sections near the seed (∼2 cm away) at a later stage of development (10-11 cm in length). Here, B73 has lower amino acid abundance localized primarily to the center of the roots for most amino acids, while Mo17 has much higher abundance localized mainly to the root cortex. This difference in localization is minimized when grown in ammonium ion rich conditions. Roots grown in the presence of
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