Respiration and gene expression in germinating ascospores of Neurospora tetrasperma

E. P. Hill, Nora Plesofsky-Vig, Alicia Paulson, Robert M Brambl

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7 Scopus citations

Abstract

Cellular proteins were not synthesized by germinating ascospores of Neurospora tetrasperma until 90 min after spore activation. Nevertheless, immediately after activation these ascospores developed a cyanide-sensitive respiration which increased throughout this 90-min period. At 90 min the respiratory rates accelerated rapidly, protein synthesis was initiated, and transcripts for a subunit of the mitochondrial ATPase, employed here as a representative mRNA, began to accumulate.

Original languageEnglish (US)
Pages (from-to)111-115
Number of pages5
JournalFEMS Microbiology Letters
Volume90
Issue number2
DOIs
StatePublished - Jan 1 1992

Bibliographical note

Funding Information:
This research was supported by grams from the National Institute of General Medical Sciences (GM-19398), the United States Department of Agriculture Competitive Research Grants Office (88-37264-4045L and the Bush Foundation.

Keywords

  • Ascospore
  • Cyanide-sensitive respiration
  • Gene expression
  • Mitochondrial ATPase
  • Neurospora tetrasperma
  • Spore germination

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