Methods for Generation and Analysis of Fluorescent Protein-Tagged Maize Lines

Part of the Methods in Molecular Biology™ book series (MIMB, volume 526)


The use of fluorescent proteins to localize gene products in living cells has revolutionized cell biology. Although maize has excellent genetics resources, the use of fluorescent proteins in maize cell biology has not been well developed. To date, protein localization in this species has mostly been performed using immunolocalization with specific antibodies, when available, or by overexpression of fluorescent protein fusions. Localization of tagged proteins using native regulatory elements has the advantage that it is less likely to generate artifactual results, and also reports tissue-specific expression patterns for the gene of interest. Fluorescent protein tags can also be used for other applications, such as protein–protein interaction studies and purification of protein complexes. This chapter describes methods to generate and characterize fluorescent protein-tagged maize lines driven by their native regulatory elements.


Confocal microscopy Gateway cloning™ Green fluorescent protein (GFP) Yellow FP (YFP) Red FP (RFP) Maize Native regulatory elements Protein localization Tissue-specific expression Triple-template PCR (TTPCR) 



We thank members of our maize GFP tagging project for useful discussions. We acknowledge the Iowa State University Plant Transformation Facility for providing excellent transformation services to the public sector. Our research is funded by National Science Foundation Grant DBI # 0501862 to Dave Jackson, Anne Sylvester, and Agnes Chan.


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Copyright information

© Humana Press, a part of Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.DuPont Knowledge CentreHyderabadIndia
  2. 2.Plant Genetics, Cold Spring Harbor LaboratoryCold Spring HarborNew yorkUSA
  3. 3.Department of Molecular BiologyUniversity of WyomingLaramieUSA

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