Motor-induced transcription but sensory-regulated translation of ZENK in socially interactive songbirds

J Neurobiol. 2005 Dec;65(3):251-9. doi: 10.1002/neu.20187.

Abstract

The ZENK gene, depending upon singing activity, is transcribed within all the telencephalic nuclei controlling vocal behavior in songbirds. We show here that singing by deafened or completely isolated adult zebra finches induced high levels of ZENK transcription. This mRNA however, was not translated into high levels of ZENK protein. Instead, high levels of singing-driven ZENK protein translation were found in socially interactive birds. This dissociation between ZENK mRNA and ZENK protein was regionally specific to the robust nucleus of the arcopallium (RA), a region that is well known for its control of vocal-motor behavior in birds. Our results suggest cooperation between motor and sensory processes for regulating mRNA induction and subsequent protein synthesis in socially active songbirds.

Publication types

  • Comparative Study
  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Auditory Cortex / metabolism
  • Behavior, Animal
  • Cell Count / methods
  • Deafness / metabolism
  • Early Growth Response Protein 1 / genetics
  • Early Growth Response Protein 1 / metabolism*
  • Finches
  • Gene Expression Regulation*
  • Immunohistochemistry / methods
  • In Situ Hybridization / methods
  • Interpersonal Relations*
  • Male
  • Motor Activity / physiology*
  • Protein Biosynthesis*
  • RNA, Messenger / metabolism
  • Sensation / physiology*
  • Transcription, Genetic*
  • Vocalization, Animal / physiology*

Substances

  • Early Growth Response Protein 1
  • RNA, Messenger