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. 2019 Jun 17;47(2):207–216. doi: 10.1080/12298093.2019.1620975

Figure 6.

Figure 6.

Knockout of AcuD attenuated virulence of T. marneffei. (A) The survival rates of zebrafish larvae inoculated with different T. marneffei strains and co-incubated at 28 °C (n = 100); (B) T. marneffei CFU time-course counts of different groups, mean ± SD, n = 5 larvae/group/experiment. Different colors indicate six independent experiments. WT1 × 108, SPM4, ΔAcuD, ΔAcuD+ stands for inoculated at an amount of 1 × 108 CFU/ml yeast cells of wild-type strain SUMS0594, SPM4, AcuD knockout mutant, AcuD complement mutant respectively; Heat inactive: heat-inactivated yeast cells of SUMS0594 at an amount of 1 × 108 CFU/ml; PBS: sterile phosphate-buffered saline. ****indicates a p value < .0001. (C) A large number of granular bulges can be seen at the injection site of the zebrafish at 24 hpi (left), few mycelia grow out through the granular bulge at 48 hpi. Zebrafish larvae from the ΔAcuD group.