OsPUB15 Protein Interacts with PID2 Protein to Regulate Rice Blast Resistance
February 18, 2015| |
Previously, researchers have cloned and studied the rice blast resistance gene Pid2. However, little is known about the Pid2-mediated signaling. In this study, Xuewei Chen of the Sichuan Agricultural University and Lihuang Zhu of the Chinese Academy of Sciences studied the OsPUB15, one of the PID2-binding proteins.
OsPUB15 physically interacted with the kinase domain of PID2 protein (PID2K). Transgenic rice overexpressing the OsPUB15 gene at an early stage exhibited cell death lesions spontaneously along with the activation of plant defense responses such as increased expression of pathogenesis-related genes and enhanced resistance to blast strains. The cell death lesions kept spreading all over the seedlings resulting in seedling death.
Results show that the OsPUB15 protein interacted directly with the receptor-like kinase PID2 to regulate plant cell death and blast disease resistance.
For more information on the study, read the full article at BioMed Central.
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