A novel fungal protease expressed in endophytic infection of Poa species

Jon T. Lindstrom, Suichang Sun, Faith C. Belanger

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


The fungus Acremonium typhinum produces a novel endoprotease during symbiotic endophytic infection of the grass, Poa ampla. This protease is unusual because it is highly active in the presence of sodium dodecyl sulfate. The enzyme is a thiol-containing serine protease and is localized to a crude membrane fraction. Similar protease activity has been detected in endophyte-infected Poa autumnalis and Poa sylvestris plants. Expression of this protease may be important in endophytic infection of Poa spp., because similar activity has not been detected in endophyte-infected Festuca arundinacea or Lolium perenne.

Original languageEnglish (US)
Pages (from-to)645-650
Number of pages6
JournalPlant physiology
Issue number2
StatePublished - Jun 1993

All Science Journal Classification (ASJC) codes

  • Physiology
  • Genetics
  • Plant Science


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