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Published on: July 28, 2017
Protein Profiling of Non-model Plant Cuminum cyminum by Gel-Based Proteomic Approach
Uzma Zaman1,2,3, Henning Urlaub1,2, Atiya Abbasi4
1Bioanalytical Mass Spectrometry Group, Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, D-37077, Göttingen, Germany.
Introduction:
Cumin (Cuminum cyminum), a popular spice has been widely used in traditional medicine to cure various ailments. Despite the existence of scientific literature about its pharmacological properties, no successful proteome profiling has yet been attempted.
Objective:
To optimise extraction of cumin proteins and analyse its profile by shotgun proteomics, using one-dimensional electrophoresis coupled with nano-ESI-LC-MS/MS.
Methodology:
As a first step, we have compared three extraction protocols for total proteins extraction from cumin. Extracted proteins were separated on one-dimensional gel and analysed by state-of-the-art linear ion trap (LTQ)-Orbitrap Velose and Q Exactive HF mass spectrometer.
Results:
Evaluation of extraction method revealed significant differences in protein yield and proteome composition between the three extracts. LC-MS/MS allowed identification of several proteins with functional significance in various biological processes.
Conclusion:
This study provides identification of a large number of proteins and offers a molecular basis for future research on potential pharmacologically active cumin proteins. Copyright © 2017 John Wiley & Sons, Ltd.
