2023
DOI: 10.1111/mpp.13393
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Intracellular polyamines regulate redox homeostasis with cAMP–PKA signalling during sexual mating/filamentation and pathogenicity of Sporisorium scitamineum

Kai Yin,
Guobing Cui,
Xinping Bi
et al.

Abstract: Sugarcane smut caused by Sporisorium scitamineum seriously impairs sugarcane production and quality. Sexual mating/filamentation is a critical step of S. scitamineum pathogenesis, yet the regulatory mechanisms are not fully understood. In this study, we identified the SsAGA, SsODC, and SsSAMDC genes, which are involved in polyamine biosynthesis in S. scitamineum. Deletion of SsODC led to complete loss of filamentous growth after sexual mating, and deletion of SsAGA or SsSAMDC caused reduced filamentation. Doub… Show more

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