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. 2021 Aug 6;12:687304. doi: 10.3389/fmicb.2021.687304

Figure 3.

Figure 3

DGGE pattern of nested PCR-amplified rRNA gene fragments of fungi from P. tabulaeformis rhizosphere soils (A-C represent rhizosphere soils were sampled at 3, 6, and 9 months after PWN inoculation) of different ECMF and DSE inoculation treatments after PWN inoculation. Lanes labeled Gc, Sb, Av, and Pc in A-C represent P. tabulaeformis seedlings were inoculated with G. cylindrosporus, Suillus bovinus, A. vaginata, and P. chrysanthemicola, respectively; Ck as control group. “+” and “−” represent P. tabulaeformis seedlings were inoculated with PWN and were not inoculated with PWN, respectively. The linear gradient used was from 40 to 65% denaturant. The bands labeled 3S1-3S42 in A, 6S1-6S31 in B, and 9S1-9S18 in C were selected and excised from the DGGE gels and used for cloning and sequencing.