Receptor-like kinases OsRLK902-1 and OsRLK902-2 form immune complexes with OsRLCK185 to regulate rice blast resistance.

Receptor-like kinases (RLKs) are major regulators of the plant immune response and play important roles in the perception and transmission of immune signals. RECEPTOR LIKE KINASE 902 (RLK902) is at the key node in leucine-rich repeat receptor-like kinase interaction networks and positively regulates resistance to the bacterial pathogen Pseudomonas syringae in Arabidopsis. However, the function of RLK902 in fungal disease resistance remains obscure. In this study, we found that the expression levels of OsRLK902-1 and OsRLK902-2, encoding two orthologues of RLK902 in rice, were induced by Magnaporthe oryzae, chitin, and flg22 treatment. osrlk902-1 and osrlk902-2 knockout mutants displayed enhanced susceptibility to M. oryzae. Interestingly, the osrlk902-1 rlk902-2 double mutant exhibited similar disease susceptibility, hydrogen peroxide production, and callose deposition to the two single mutants. Further investigation showed that OsRLK902-1 interacts with and stabilizes OsRLK902-2. The two OsRLKs form a complex with OsRLCK185, a key regulator in chitin-triggered immunity, and stabilize it. Taken together, our data demonstrate that OsRLK902-1 and OsRLK902-2, as well as OsRLCK185 function together in regulating disease resistance to M. oryzae in rice.

Differences in the Preferred Trustworthiness Between High-level and Low-Level Leaders.

Drawing upon implicit leadership theories (ILTs), this research argues that the trustworthiness factors of leaders perceived by subordinates may vary with hierarchical levels of leaders. Based on this argument, a scenario simulation study (220 participants), an experimental study (562 participants), and an empirical survey (193 samples) were conducted. The findings show that subordinates are more concerned with the emotional stability, extraversion, agreeableness, and benevolence-related trustworthiness factors of low-level leaders and with the ability-related trustworthiness of high-level leaders; and leaders' integrity is the most crucial factor in trustworthiness for upward trust, while there were no obvious significant differences among different leader levels. This study contributes to the literature on trust in leadership and various ILTs and has human resource management implications.