[This corrects the article DOI: 10.3389/fmicb.2020.00399.].
Keywords: CRISPR-Cas9 system; Toxoplasma gondii; gene functions; gene knockout; immune response; virulence factors; wx2 gene.
Copyright © 2020 Ma, Yan, Jiang, Guan, Yang, Huang, Lu, Li, Zhang, Chang and Wu.