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Abstract

Transient expression assays are valuable techniques to study in vivo the transcriptional regulation of gene expression. These methods allow to assess the transcriptional properties of a given transcription factor (TF) or a complex of regulatory proteins against specific DNA motifs, called cis-regulatory elements. Here, we describe a fast, efficient, and reliable method based on the use of Physcomitrella patens protoplasts that allows the study of gene expression in a qualitative and quantitative manner by combining the advantage of GFP (green fluorescent protein) as a marker of promoter activity with flow cytometry for accurate measurement of fluorescence in individual cells.

Keywords

Physcomitrella patens; Protoplasts; Transient expression; Transcription factor; Subcellular localization

Published in

Methods in Molecular Biology
2016, volume: 1482, pages: 151-161
Title: Plant synthetic promoters : methods and protocols
Publisher: Humana Press

SLU Authors

  • Xu, Wenjia

    • National Institute of Agricultural Research (INRA)

UKÄ Subject classification

Agricultural Science

Publication identifier

  • DOI: https://doi.org/10.1007/978-1-4939-6396-6_10
  • ISBN: 978-1-4939-6394-2
  • eISBN: 978-1-4939-6396-6

Permanent link to this page (URI)

https://res.slu.se/id/publ/84778