transcriptomics
nounPronunciation: /trænˌskrɪpˈtoʊmɪks/
The comprehensive study of RNA transcripts produced by the genome under specific conditions. It involves analysis of gene expression patterns in response to abiotic stress.
Full Definition
Transcriptomics is a high-throughput molecular biology approach that examines the complete set of RNA transcripts (transcriptome) expressed by an organism's genome at a given time and under specific environmental conditions. In abiotic stress research, transcriptomics reveals which genes are activated or suppressed in response to stress stimuli. This field utilizes technologies such as RNA sequencing (RNA-seq) and microarrays to quantify gene expression changes. The data provides insights into stress response pathways, regulatory networks, and potential targets for crop improvement.
Plain English
The study of which genes are turned on or off in plants when they experience stressful conditions like drought or heat.
In Editorial Context
A methodology section component requiring detailed protocol description, data analysis pipeline specification, and appropriate statistical validation in abiotic stress research publications.
Etymology & History
Emerged with development of high-throughput gene expression analysis technologies in the genomics era
Initially limited to model organisms, now widely applied across plant species due to reduced sequencing costs
Usage
"The transcriptomics data revealed 2,847 differentially expressed genes under salt stress conditions."
Usage note: Distinguish from genomics (DNA sequence) and proteomics (protein expression)
Context: Molecular biology papers, systems biology studies, stress response research
Region: international
Also known as
Don't confuse with
Sometimes confused with genomics (which studies DNA) or proteomics (which studies proteins)