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Updated: May 2, 2026

Glycan Profiling of Plant Cell Wall Polymers using Microarrays

Glycan Profiling of Plant Cell Wall Polymers using Microarrays

Published on: December 17, 2012

Maize IgE binding proteins: each plant a different profile?

Cátia Fonseca, Sébastien Planchon, Carla Pinheiro

¹National Health Institute Dr, Ricardo Jorge, Av, Padre Cruz, 1649-016 Lisboa, Portugal. rita.batista@insa.min-saude.pt.

Proteome Science

|March 22, 2014

Summary

Maize protein profiles vary by genotype, influencing allergic reactions in individuals. Environmental stress may also alter these allergenic proteins, impacting maize allergy.

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Published on: January 3, 2014

Area of Science:

Food allergy research
Proteomics and immunology

Background:

Allergies are primarily triggered by protein molecules, with most food allergies involving immunoglobulin E (IgE) hypersensitivity.
Understanding variations in maize protein composition is crucial for identifying specific allergens.

Purpose of the Study:

To investigate if proteomic differences among maize varieties alter IgE binding protein profiles in maize-allergic individuals.
To identify novel maize IgE binding proteins and understand their potential link to plant stress.

Main Methods:

Utilized proteomic techniques including SDS-PAGE and 2-D gel electrophoresis with Western blot.
Tested IgE reactivity from four maize-allergic individuals against protein fractions (albumins, globulins, glutelins, prolamins) from three maize cultivars.

Main Results:

Observed distinct proteomes and IgE binding protein profiles across different maize cultivars.
Identified 19 different maize IgE binding proteins, 11 of which are newly discovered.
Found that 89.5% of the identified potential allergens are associated with plant stress responses.

Conclusions:

Plant allergenic potential varies significantly with genotype within a species.
Environmental factors, particularly stress, may modify plant components, altering IgE binding protein profiles and potentially influencing allergic reactions.