Any process that activates or increases the frequency, rate or extent of transcription of nuclear large rRNA mediated by RNA polymerase I.
Synonyms:
exact_synonym:
activation of transcription of nuclear rRNA large Pol I transcript; positive regulation of transcription of nuclear large rRNA transcript from RNA polymerase I promoter; positive regulation of transcription of nuclear rRNA large Pol I transcript; up-regulation of transcription of nuclear large rRNA transcript from RNA polymerase I promoter; up-regulation of transcription of nuclear rRNA large Pol I transcript; upregulation of transcription of nuclear large rRNA transcript from RNA polymerase I promoter; upregulation of transcription of nuclear rRNA large Pol I transcript
narrow_synonym:
activation of transcription of nuclear large rRNA transcript from RNA polymerase I promoter