How to detect LacZ tagged cells from single cell
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k1m ▴ 20
@k1mukund-21979
Last seen 18 months ago
United States

Hello All,

We hope to collect some data from specially tagged mouse cells with lacZ. Other than the fact that they are tagged with lacZ, they don't have a distinct marker profile, by which these cells can be recognized.

So, my question is- If we do single cell on these samples, how can we recognize lacZ expressing cells (after mapping to the mouse genome?) Is it even possible?

Or if it isn't, is there a different tagging strategy we need to use to allow us to do a single cell study?

Any comments, suggestions, or pointers to literature, will be greatly appreciated

Thanks, Kavi

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Aaron Lun ★ 28k
@alun
Last seen 1 hour ago
The city by the bay

Usually this is handled by creating a transgenic genome reference of, e.g., GRCm38 + lacZ, quantifying expression as usual, and then doing whatever downstream analysis you want on the lacZ-positive subpopulation.

Creation of custom references should be straightforward with all major pipelines for scRNA-seq sequence processing.

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Thank you! Much appreciated! I have no prior experience with mapping custom references (say transgenic mice), so this response was really helpful!

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