Summary
GFP and relatives let researchers tag and watch proteins in living cells.
In depth
GFP discovered by Shimomura, cloned by Prasher and developed by Chalfie and Tsien (Nobel 2008). Variants include YFP, CFP and mCherry. Photoactivatable and photoconvertible forms track molecules. Biosensors report calcium (GCaMP) or voltage.
Fusions must not disrupt protein function. Photobleaching limits imaging time. Photoactivatable forms allow tracking of subpopulations.
Key idea: genetically encoded labels allow imaging of living cells.
Frequently asked questions
What is Fluorescent Proteins?
GFP and relatives let researchers tag and watch proteins in living cells.
Which area of biology covers Fluorescent Proteins, and how advanced is it?
Fluorescent Proteins is one of the 51 topics in Lab Methods & Biostatistics. It is rated Advanced, so it suits learners who want specialist depth. Related topics in this area include Immunofluorescence, Super-Resolution Microscopy, FRET.
Can you give an example of Fluorescent Proteins?
Brainbow mice colour individual neurons.
What should I learn before Fluorescent Proteins?
Work through the Beginner topics in Lab Methods & Biostatistics first, such as Scientific Method, Hypothesis, Variables, then return to Fluorescent Proteins. Advanced topics assume the Intermediate vocabulary.
What topics are related to Fluorescent Proteins?
The closest topics to Fluorescent Proteins are Immunofluorescence, Super-Resolution Microscopy, FRET, Mass Spectrometry. Comparing them side by side is a good way to see how the ideas connect.
How can I check that I understand Fluorescent Proteins?
Read the summary and the in-depth section, then use the quick check on the interactive lesson for Fluorescent Proteins. To practise the whole of Lab Methods & Biostatistics, use the Lab Methods & Biostatistics quiz.
How is Fluorescent Proteins different from Immunofluorescence?
Fluorescent Proteins: GFP and relatives let researchers tag and watch proteins in living cells. Immunofluorescence: Fluorescent-labelled antibodies reveal the location of proteins in cells and tissues. Read both side by side and note what each one explains.
How should I study Fluorescent Proteins step by step?
First, read the summary and write the definition in your own words. Second, read the in-depth section and note any example. Third, compare it with Immunofluorescence and explain the difference aloud. Finally, take the Lab Methods & Biostatistics quiz and come back to this page for any question you miss.