ScWRKY2: a key regulator for smut resistance in sugarcane.

ABSTRACT: Sugarcane smut is a worldwide fungal disease caused by Sporisorium scitamineum, which seriously jeopardizes the healthy and sustainable development of the sugarcane industry. WRKY transcription factors are actively involved in plant responses to pathogen infection; however, the mechanisms by which WRKY mediates resistance to sugarcane smut remain elusive. Here, we obtained a nucleus-localized transcription factor ScWRKY2, which was down-regulated in smut-resistant but up-regulated in smut-susceptible sugarcane cultivars. Overexpression of the ScWRKY2 gene in sugarcane enhanced its sensitivity to smut disease. Besides, an immune-related gene ScLRR-RLK, directly regulated by ScWRKY2, was identified through a combination of transcriptome and DNA affinity purification sequencing. Interestingly

SUBMITTER: Wang D 

PROVIDER: S-EPMC12392974 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature