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{{Short description|Study of RNA transcripts}}
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'''Transcriptomics technologies''' are the techniques used to study an organism's [[transcriptome]], the sum of all of its [[RNA|RNA transcripts]]. The information content of an organism is recorded in the DNA of its [[genome]] and [[Gene expression|expressed]] through [[Transcription (genetics)|transcription]]. Here, [[mRNA]] serves as a transient intermediary molecule in the information network, whilst [[non-coding RNA]]s perform additional diverse functions. A transcriptome captures a snapshot in time of the total transcripts present in a [[cell (biology)|cell]]. Transcriptomics technologies provide a broad account of which cellular processes are active and which are dormant.
A major challenge in molecular biology is to understand how a single genome gives rise to a variety of cells. Another is how gene expression is regulated.
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