Purifying selection and birth-and-death evolution in the class II hydrophobin gene families of the ascomycete <Emphasis Type="Italic">Trichoderma/Hypocrea</Emphasis> |
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Authors: | Christian P Kubicek Scott Baker Christian Gamauf Charles M Kenerley Irina S Druzhinina |
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Institution: | (1) Research Area of Gene Technology and Applied Biochemistry, Institute of Chemical Engineering, Vienna University of Technology, Getreidemarkt 9-1665, A-1060 Vienna, Austria;(2) Fungal Biotechnology Team, Chemical and Biological Process Development Group, Pacific Northwest National Laboratory, 902 Battelle Blvd., 99352 Richland, WA, USA;(3) Department of Plant Pathology and Microbiology, Texas A&M University, 77843 College Station, TX, USA |
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Abstract: | Background Hydrophobins are proteins containing eight conserved cysteine residues that occur uniquely in mycelial fungi. Their main function
is to confer hydrophobicity to fungal surfaces in contact with air or during attachment of hyphae to hydrophobic surfaces
of hosts, symbiotic partners or themselves resulting in morphogenetic signals. Based on their hydropathy patterns and solubility
characteristics, hydrophobins are divided into two classes (I and II), the latter being found only in ascomycetes. |
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