Gene deletion in Schizophyllum commune is hampered by a low incidence of homologous integration. As a consequence, extensive screening is required to identify a transformant with the desired genotype. To alleviate this and to facilitate the assembly of deletion plasmids, vector pDelcas was constructed. This construct has a set of restriction sites, which allows for directional cloning of the flanking sequences at both sides of a nourseothricin resistance cassette. Moreover, it contains a phleomycin resistance cassette elsewhere in the plasmid, which is used to screen for transformants with an ectopic integration of the pDelcas derivative. The use of pDelcas derivatives in combination with an improved PCR screening protocol permitted the efficient identification of S. commune deletion strains. This procedure may also function in other basidiomycetes.
An efficient gene deletion procedure for the mushroom-forming basidiomycete Schizophyllum commune
R. Ohm,J. D. de Jong,Elsa Berends,Fengfeng Wang,H. Wösten,L. Lugones
Published 2010 in World Journal of Microbiology & Biotechnology
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- Publication year
2010
- Venue
World Journal of Microbiology & Biotechnology
- Publication date
2010-02-27
- Fields of study
Biology, Medicine, Environmental Science
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Semantic Scholar, PubMed
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