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Abstract
Proteomic analyses of fruits are confronted with a series of specific obstacles: a general low protein content in plant tissues, allergen extraction from highly complex matrices and protein determination in the presence of interfering compounds. Different methods are currently being introduced to achieve higher protein yields and a simultaneous removal of interfering substances, such as polyphenols and polysaccharides. However, no universal protocol suitable for protein purification from any given plant species is available. Protein profiling by 2DE-western blotting offers a powerful tool for the detection and characterization of known and novel plant allergens. Moreover, the detection of IgE-reactive proteins from fruits is improved by combining western blot and alternative visualization techniques. The recent developments in bioinformatics and databases facilitate the interpretation of profiling studies with regard to novel potential fruit allergens.
Financial & competing interests disclosure
The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.
No writing assistance was utilized in the production of this manuscript.