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Keywords:

  • Drosophila;
  • SIN3;
  • deacetylation;
  • transcription

Abstract

SIN3 is a component of a histone deacetylase complex known to be important for transcription repression. While multiple isoforms of SIN3 have been reported, little is known about their relative expression or role in development. Using a combination of techniques, we have determined that SIN3 is expressed throughout the Drosophila life cycle. The pattern of expression for each individual isoform, however, is distinct. Knock down of all SIN3 expression reveals a requirement for this protein in embryonic and larval periods. Taken together, the data suggest that SIN3 is required for multiple developmental events during the Drosophila life cycle. Developmental Dynamics 237:3040–3050, 2008. © 2008 Wiley-Liss, Inc.