Chapter title |
Translating Ribosome Affinity Purification (TRAP) Followed by RNA Sequencing Technology (TRAP-SEQ) for Quantitative Assessment of Plant Translatomes.
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Chapter number | 9 |
Book title |
Plant Functional Genomics
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Published in |
Methods in molecular biology, January 2015
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DOI | 10.1007/978-1-4939-2444-8_9 |
Pubmed ID | |
Book ISBNs |
978-1-4939-2443-1, 978-1-4939-2444-8
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Authors |
Mauricio A Reynoso, Piyada Juntawong, Marcos Lancia, Flavio A Blanco, Julia Bailey-Serres, María Eugenia Zanetti, Mauricio A. Reynoso, Flavio A. Blanco, Reynoso, Mauricio A., Juntawong, Piyada, Lancia, Marcos, Blanco, Flavio A., Bailey-Serres, Julia, Zanetti, María Eugenia |
Abstract |
Translating Ribosome Affinity Purification (TRAP) is a technology to isolate the population of mRNAs associated with at least one 80S ribosome, referred as the translatome. TRAP is based on the expression of an epitope-tagged version of a ribosomal protein and the affinity purification of ribosomes and associated mRNAs using antibodies conjugated to agarose beads. Quantitative assessment of the translatome is achieved by direct RNA sequencing (RNA-SEQ), which provides accurate quantitation of ribosome-associated mRNAs and reveals alternatively spliced isoforms. Here we present a detailed procedure for TRAP, as well as a guide for preparation of RNA-SEQ libraries (TRAP-SEQ) and a primary data analysis. This methodology enables the study of translational dynamic by assessing rapid changes in translatomes, at organ or cell-type level, during development or in response to endogenous or exogenous stimuli. |
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