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Article; Agriculture and Environmental Biotechnology

Efficient gene replacements in ku70 disruption strain of Aspergillus chevalieri var. intermedius

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Pages 16-22 | Received 05 Mar 2016, Accepted 19 Oct 2016, Published online: 18 Nov 2016

Figures & data

Table 1. Oligonucleotide primers.

Figure 1. Phylogenetic relationship among fungal Ku70 orthologs.

Figure 1. Phylogenetic relationship among fungal Ku70 orthologs.

Figure 2. Construction of the ku70 gene-disruption vector.

Figure 2. Construction of the ku70 gene-disruption vector.

Figure 3. PCR and Southern blotting analysis of the ku70 gene disruption vector. PCR analysis (A) using primer pairs P14 and P15: lane 1, molecular size marker (Sangon Biotech, Shanghai, China); lane 2, wild-type strain; lane 3, ΔAcku70 strain. Southern blotting analysis (B) of the genomic DNA of the ΔAcku70 strain: lane 1, digestion using EcoRI; lane 2, digestion using SacI.

Figure 3. PCR and Southern blotting analysis of the ku70 gene disruption vector. PCR analysis (A) using primer pairs P14 and P15: lane 1, molecular size marker (Sangon Biotech, Shanghai, China); lane 2, wild-type strain; lane 3, ΔAcku70 strain. Southern blotting analysis (B) of the genomic DNA of the ΔAcku70 strain: lane 1, digestion using EcoRI; lane 2, digestion using SacI.

Figure 4. Growth characteristics of the ΔAcku70 strain compared with the wild-type strain.

Figure 4. Growth characteristics of the ΔAcku70 strain compared with the wild-type strain.

Table 2. Efficiency of gene replacement at the veA and flbA loci in wild-type and ΔAcku70 strains.