Título: El liderazgo transformacional y la confianza como antecedentes del desempeño en equipo en el ámbito sanitario. Resumen: En el presente estudio analizamos el rol mediador de la confianza en el equipo de trabajo (i.e., confianza horizontal) entre el liderazgo transformacional, como recurso social, y el desempeño en equipo (i.e., desempeño intra y extra rol), tal como sugiere el Modelo HERO (HEalthy & Resilient Organizations Model;Salanova, Llorens, Cifre, & Martínez, 2012). La muestra corresponde a 388 trabajadores/as agrupados/as en 54 equipos de trabajo pertenecientes a cuatro organizaciones del sector sanitario. La confianza horizontal y el liderazgo transformacional fueron evaluados por los equipos de trabajo y el desempeño fue evaluado por los/as supervisores/as de esos equipos. Los modelos de Ecuaciones Estructurales revelaron, tal como se esperaba, que la confianza horizontal, tiene un papel mediador entre el liderazgo transformacional percibido por el equipo y el desempeño en equipo evaluado por el/la supervisor/a. Palabras clave: Confianza horizontal; liderazgo transformacional; desempeño en equipo. Abstract:The present study analyzes the mediator role of work-team trust (i.e., horizontal trust) in the relationship between transformational leadership, as a social resource, and team performance (i.e., intra-and extra-role performance), as suggested by the HERO model (HEalthy & Resilient Organizations Model;Salanova, Llorens, Cifre, & Martínez, 2012). The sample corresponds to 388 workers nested in 54 work teams from four organizations in the healthcare sector. Horizontal trust and transformational leadership were assessed by the work teams, and performance was assessed by the supervisors of these teams. Structural Equations models reveal, as expected, that horizontal trust has a fully mediating role between transformational leadership perceived at the team level and team performance assessed by the supervisor.

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In a previous publication it was reported that a polysaccharide-protein complex (PPC), sensitive to beta-glucosidase, was isolated from Histoplasma capsulatum. This complex was strongly reactive in an agar gel diffusion assay with sera from patients with histoplasmosis, but was unreactive with sera from patients with coccidioidomycosis. Here, the studies with human sera have been expanded and attempts were made to determine the response of mice immunized with nonviable H. capsulatum or Coccidioides immitis to PPC or its deproteinized fraction (D-PPC) using more sensitive tests for antibody and including also test for cell-mediated immunity. Histoplasmin and coccidioidin were compared with PPC or its deproteinized fraction (D-PPC) in all assays. In a counterimmunoelectrophoresis (CIE) assay, PPC and D-PPC reacted only with sera from patients with histoplasmosis, whereas cross reactions were noted with histoplasmin and coccidioidin using heterologous sera. Cross-reaction were observed with all four antigen preparatins and both types of antisera using a microcomplement fixation assay. The assay for macrophage migration inhibitory factor (MIF) was also relatively nonspecific, in that inhibition occurred with cells from animals sensitized with Histoplasma or Coccidioides using both homologous and heterologous antigens. In the footpad assay, histoplasmin and coccidioidin were highly cross-reactive in animals sensitized with the heterologous fungus, but the PPC and D-PPC from H. capsulatum elicited significant reactions only in animals sensitized with Histoplasma.