This chapter presents a general procedure for the on-chip detection and quantitation of low-molecular-weight recombinant proteins in transgenic plant crude extracts by surface-enhanced laser desorption ionization time-of-flight mass spectrometry (SELDI-TOF MS). A protocol is first described to detect the protein of interest in crude protein extracts of transgenic plant lines, by differential protein mapping against similar extracts from a control, nontransgenic line. A complementary protocol is then presented to generate a standard curve with the SELDI system, allowing the protein to be quantified in different transgenic lines. Overall, this procedure may be carried out within a few hours, without the need for prior purification or enrichment of the recombinant protein. © 2009 Humana Press.
CITATION STYLE
Badri, A. M., Coenen, K., Vaillancourt, L. P., Charles, G., & Michaud, D. (2009). On-chip detection of low-molecular-weight recombinant proteins in plant crude extracts by SELDI-TOF MS. Methods in Molecular Biology, 483, 313–324. https://doi.org/10.1007/978-1-59745-407-0_18
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