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Updated: May 25, 2026

Identification of Plant Ice-binding Proteins Through Assessment of Ice-recrystallization Inhibition and Isolation Using Ice-affinity Purification
Published on: May 5, 2017
A novel dehydrin-like protein from Aspergillus fumigatus regulates freezing tolerance
Joanne Wong Sak Hoi1, Rémi Beau, Jean-Paul Latgé
1Unité des Aspergillus, Institut Pasteur, 25 rue du Dr Roux, 75015 Paris, France. jwong@pasteur.fr
Abstract:
We recently reported on DprA and DprB, dehydrin-like proteins involved in the protection against oxidative, osmotic and pH stress in Aspergillus fumigatus. A third dehydrin-like gene, DprC, was detected in the genome of the filamentous fungus and repressed during conidial germination. The deletion mutant was impaired in freezing tolerance. The DprC-mediated response was dependent on the SakA MAP kinase pathway, and accordingly, SakA phosphorylation was induced by cold shock. When fused to eGFP, the protein was associated with the vacuoles.
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