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Using YFP as a Reporter of Gene Expression in the Green Alga Chlamydomonas reinhardtii


The unicellular green alga Chlamydomonas reinhardtii is a valuable experimental system in plant biology for studying metal homeostasis. Analyzing transcriptional regulation with promoter-fusion constructs in C. reinhardtii is a powerful method for connecting metal-responsive regulation with cis-regulatory elements, but overcoming expression-level variability between transformants and optimizing experimental conditions can be laborious. Here, we provide detailed protocols for the high-throughput cultivation of C. reinhardtii and assaying Venus fluorescence as a reporter for promoter activity. We also describe procedural considerations for relating metal supply to transcriptional activity.

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