Skip to Main content Skip to Navigation
Journal articles

A spruce defensin showing strong antifungal activity and increased transcript accumulation after wounding and jasmonate treatments

Abstract : In this work, a cDNA encoding a defensin from Picea glauca, named PgD1, was isolated. The corresponding PgD1 cDNA encodes a putative protein of 83 amino acids with a calculated molecular mass of 8.9 kDa. The mature protein of 50 amino acids is characterized by the presence of specific highly conserved residues common to all plant defensins. PgD1 is developmentally expressed during seed germination and is also up-regulated by wounding and by jasmonic acid treatment, suggesting a role in both the constitutive and induced defense mechanisms. The recombinant protein was found to cause extensive growth inhibition of three fungal pathogens (Cylindrocladium floridanum, Fusarium oxysporum and Nectria galligena) at 2.5 μM.
Document type :
Journal articles
Complete list of metadata

https://hal.inrae.fr/hal-02678578
Contributor : Migration Prodinra <>
Submitted on : Sunday, May 31, 2020 - 8:36:47 PM
Last modification on : Monday, May 3, 2021 - 2:18:05 PM

Identifiers

Collections

Citation

Isabelle Pervieux, Martin Bourassa, Françoise Laurans, Richard Hamelin, Armand Séguin. A spruce defensin showing strong antifungal activity and increased transcript accumulation after wounding and jasmonate treatments. Physiological and Molecular Plant Pathology, Elsevier, 2004, 64 (6), pp.331-341. ⟨10.1016/j.pmpp.2004.09.008⟩. ⟨hal-02678578⟩

Share

Metrics

Record views

14