Up- and downregulated genes in muscles that undergo developmentally programmed cell death in the insect Manduca sexta

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Abstract

This study was designed to investigate changes in gene expression associated with stage-specific programmed cell death (PCD) in intersegmental muscles (ISMs) of the moth, Manduca sexta. The technique of differential display reverse transcription PCR was applied to compare mRNA levels before and after the onset of PCD in ISMs. Expression of E75B transcription factor was repressed while another factor, βFTZ-F1, stayed at a very low level. However, gene coding for a translation-initiation factor (eIF1A) was upregulated. Expression of these genes had not been previously reported to be altered in dying ISMs. An ecdysteroid agonist, RH-5849, that prevented PCD in ISMs also blocked these changes.

Original languageEnglish
Pages (from-to)4943-4948
Number of pages6
JournalFEBS letters
Volume579
Issue number22
DOIs
Publication statusPublished - szept. 12 2005

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ASJC Scopus subject areas

  • Biophysics
  • Structural Biology
  • Biochemistry
  • Molecular Biology
  • Genetics
  • Cell Biology

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