Abstract
Fungal molecular biology has benefited from the enormous advances in understanding protein–protein interactions in prokaryotic or eukaryotic organisms of the past decade. Tandem affinity purification (TAP) allows the enrichment of native protein complexes from cell extracts under mild conditions. We codon-optimized tags and established TAP, previously not applicable to filamentous fungi, for the model organism Aspergillus nidulans. We could identify by this method the trimeric Velvet complex VelB/VeA/LaeA or the eight subunit COP9 signalosome. Here, we describe an optimized protocol for A. nidulans which can also be adapted to other filamentous fungi.
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Acknowledgments
This work has been funded by grants from the Deutsche Forschungsgemeinschaft (DFG), the Volkswagen-Stiftung, and the Fonds der Chemischen Industrie. Özlem Sarikaya Bayram is supported by the excellence stipend of Göttingen Graduate School for Neurosciences and Molecular Biosciences (GGNB) and Bastian Jöhnk by the German-Mexican DFG Research Unit 1334.
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Bayram, Ö., Bayram, Ö.S., Valerius, O., Jöhnk, B., Braus, G.H. (2012). Identification of Protein Complexes from Filamentous Fungi with Tandem Affinity Purification. In: Keller, N., Turner, G. (eds) Fungal Secondary Metabolism. Methods in Molecular Biology, vol 944. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-62703-122-6_14
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DOI: https://doi.org/10.1007/978-1-62703-122-6_14
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