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ABSTRACT: Importance
Although fusion with small peptides to modify hydrophobin properties has already been performed in several studies, fusion with an enzyme presents a more challenging task. Both protein partners need to remain in active form so that the hydrophobins can interact with one another and form layers, and so the enzyme (e.g., laccase) will remain active at the same time. Also, because of the amphiphilic nature of hydrophobins, their production and purification remain challenging so far and often include steps that would irreversibly disrupt most enzymes. In our study, we present the first functional fusion proteins of class I hydrophobins from A. nidulans with a laccase. The resulting fusion enzyme is directly secreted into the culture medium by the fungus and can be used for the functionalization of hard surfaces.
SUBMITTER: Fokina O
PROVIDER: S-EPMC5066356 | biostudies-literature | 2016 Nov
REPOSITORIES: biostudies-literature
Applied and environmental microbiology 20161014 21
Fungal hydrophobins are small amphiphilic proteins that can be used for coatings on hydrophilic and hydrophobic surfaces. Through the formation of monolayers, they change the hydrophobicity of a given surface. Especially, the class I hydrophobins are interesting for biotechnology, because their layers are stable at high temperatures and can only be removed with strong solvents. These proteins self-assemble into monolayers under physiological conditions and undergo conformational changes that sta ...[more]