Methods for high-throughput labelling and detection of biological features in situ using microscopy
First Claim
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1. A method for identifying a protein of interest in a cell, comprising:
- (a) providing a cell comprising (i) a ribonucleic acid (RNA) molecule comprising a barcode and (ii) said protein of interest fused in frame to an RNA binding domain, wherein said RNA molecule binds to said RNA binding domain such that said RNA molecule localizes to said protein of interest in the cell;
(b) within said cell, (i) reverse transcribing the RNA molecule to generate a deoxyribonucleic acid (DNA) molecule from said RNA molecule, wherein said DNA molecule comprises said barcode, and (ii) amplifying the DNA molecule to produce one or more amplicons, wherein said one or more amplicons of said DNA molecule co-localize with said protein of interest and comprise said barcode; and
(c) identifying said barcode within said cell, thereby identifying said protein of interest.
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Abstract
Methods of labelling one or more subcellular components (e.g., an organelle and/or subcellular region) in vivo are provided. Methods of labelling a protein in vivo are provided. Methods of determining a nucleic acid sequence in situ are also provided.
68 Citations
19 Claims
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1. A method for identifying a protein of interest in a cell, comprising:
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(a) providing a cell comprising (i) a ribonucleic acid (RNA) molecule comprising a barcode and (ii) said protein of interest fused in frame to an RNA binding domain, wherein said RNA molecule binds to said RNA binding domain such that said RNA molecule localizes to said protein of interest in the cell; (b) within said cell, (i) reverse transcribing the RNA molecule to generate a deoxyribonucleic acid (DNA) molecule from said RNA molecule, wherein said DNA molecule comprises said barcode, and (ii) amplifying the DNA molecule to produce one or more amplicons, wherein said one or more amplicons of said DNA molecule co-localize with said protein of interest and comprise said barcode; and (c) identifying said barcode within said cell, thereby identifying said protein of interest. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification