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transcriptionally

1 8.4

To affect the copying of information from DNA into RNA

adverb
/trænˈskrɪpʃənəli/

Specialized

: transcripcionalmente

Research showed that some genes are transcriptionally regulated by external signals like light and temperature.

Examples

The mitochondrial unfolded protein response (UPRmt) is a cellular program in which certain nuclear genes are transcriptionally activated to counter the effects of unfolded proteins in mitochondria.

Academic text (2017)
The genes that are transcriptionally activated in response to stress help the plant survive harsh conditions.
When studying the effects of hormones, scientists found that several key genes were transcriptionally influenced in the presence of auxins.

Surface Forms

transcriptionally positive

Morphology

transcriptionally = transcriptional (transparent) = transcript + ion + al + ly

The adverbial form is clearly derived from the adjective 'transcriptional'.

Etymology

Transcriptionally comes from trans- 'across' and scribere 'to write', the same root in transcript and script. So in genetics it means 'writing across' the DNA message into RNA, which is a way of copying information, and that is why we say a gene is controlled transcriptionally.