RESUMO
Tobamoviruses are a group of plant viruses that pose a significant threat to agricultural crops worldwide. In this review, we focus on plant immunity against tobamoviruses, including pattern-triggered immunity (PTI), effector-triggered immunity (ETI), the RNA-targeting pathway, phytohormones, reactive oxygen species (ROS), and autophagy. Further, we highlight the genetic resources for resistance against tobamoviruses in plant breeding and discuss future directions on plant protection against tobamoviruses.
Assuntos
Doenças das Plantas , Imunidade Vegetal , Tobamovirus , Doenças das Plantas/virologia , Doenças das Plantas/imunologia , Tobamovirus/imunologia , Tobamovirus/genética , Espécies Reativas de Oxigênio/metabolismo , Espécies Reativas de Oxigênio/imunologia , Resistência à Doença/imunologia , Interações Hospedeiro-Patógeno/imunologia , Autofagia/imunologia , Reguladores de Crescimento de Plantas , Produtos Agrícolas/imunologia , Produtos Agrícolas/virologiaRESUMO
Plants emit volatiles as signals to trigger broad physiological responses, including airborne defense (AD). Gong et al. (Nature 2023; 622: 139-145) recently reported the genetic framework of how plants use AD to combat aphids and viruses. The study elucidates the mutualistic relationships between aphids and the viruses they transmit, revealing the broad biological and ecological significance of AD.