Primary structure and transcription patterns of RPL36, a ribosomal protein-encoding gene of the mycoparasitic fungus, Trichoderma hamatum

C. Fekete, K. Posta, L. Hornok

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We report the isolation and expression profiles of a single-copy gene from the mycoparasitic fungus Trichoderma hamatum encoding a 60 S cytoplasmic ribosomal protein. The gene, named RPL36, was cloned through its nutrient-mediated expression, using mRNA differential screening. Its predicted ORF, interrupted by two introns, encoded a 105-aa polypeptide. The deduced rpL36 protein showed high overall homologies with other L36-type ribosomal proteins isolated from yeast, rat and human. Analysis of the promoter region of RPL36 revealed the presence of two ribosomal protein gene (RPG) boxes and a T-rich region known to be involved in the regulation of most ribosomal protein genes. Expression of RPL36 was tightly regulated by carbon and nitrogen availability. The mRNA levels of this gene decreased upon exposure of the mycelium to different stresses, whereas the addition of cycloheximide resulted in a super-induction. Levels of RPL36 transcripts also increased during mycoparasitic interaction between T. hamatum and Botrytis cinerea.

Original languageEnglish
Pages (from-to)183-189
Number of pages7
JournalCurrent Genetics
Volume39
Issue number3
DOIs
Publication statusPublished - Jan 1 2001

Keywords

  • Mycoparasitism
  • Nutritional signalling
  • Ribosomal protein gene RPL36
  • Trichoderma hamatum

ASJC Scopus subject areas

  • Genetics

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