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Trichoderma viride cellulase induces resistance to the antibiotic pore-forming peptide alamethicin associated with changes in the plasma membrane lipid composition of tobacco BY-2 cells.

  • Mari Aidemark
  • Henrik Tjellström
  • Anna Stina Sandelius
  • Henrik Stålbrand
  • Erik Andreasson
  • Allan Rasmusson
  • Susanne Widell
Publishing year: 2010
Language: English
Publication/Series: BMC Plant Biology
Volume: 10
Issue: 1
Document type: Journal article
Publisher: BioMed Central

Abstract english

Alamethicin is a membrane-active peptide isolated from the beneficial root-colonising fungus Trichoderma viride. This peptide can insert into membranes to form voltage-dependent pores. We have previously shown that alamethicin efficiently permeabilises the plasma membrane, mitochondria and plastids of cultured plant cells. In the present investigation, tobacco cells (Nicotiana tabacum L. cv Bright Yellow-2) were pre-treated with elicitors of defence responses to study whether this would affect permeabilisation.


  • Biological Sciences


  • ISSN: 1471-2229
Allan Rasmusson
E-mail: allan [dot] rasmusson [at] biol [dot] lu [dot] se


Molecular Cell Biology

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