Nurses are continuously exposed to stressors and psychological and physical risks that can negatively influence their daily work. These adverse psychosocial circumstances, accompanied by the poor self-perception of health, well-being, and quality of life, may trigger burnout. The positive psychology approach pursues a growth of passion at work, increased job satisfaction, and occupational health, both mental and physical, for the optimal performance of the nursing role. In this way, a theoretical analysis was conducted to describe the basic constructs of positive psychology, elements such as engagement, passion at work, centrality, and meaning of work, which could act as protective factors in the nursing profession. The results show that if health professionals are not physically involved, cognitively alert, and emotionally connected, they may not offer the quality care patients require. Positive psychology helps nurses in facing their complex reality and relevant daily activities in order to provide quality care. These efforts towards a humanist nursing care in which professionals are able to care for the others as well as themselves should be made.

The drippy nut disease of oak was first described in California in 1967 and, since then, the causal agent has not been reported in any other area. This study describes for the first time in Europe the isolation of Brenneria (Erwinia) quercina from bark canker in addition to drippy bud and drippy nut in Quercus ilex and Q. pyrenaica. The bark canker and drippy bud symptoms were not previously described as caused by this bacterium. No fungal pathogens were associated with any of the symptoms. Physiological and biochemical characterization identified the pathogenic isolates from Spain as belonging to B. quercina, similar to the reference strain CFBP 1266. Fatty acid profiles of the Spanish isolates also were similar to the strain of B. quercina from California. Serological analysis by indirect immunofluorescence and enzyme-linked immunosorbent assay using polyclonal antisera against the reference strain of B. quercina and one Spanish oak isolate revealed some antigenic heterogeneity between isolates of different origins. Pathogenicity tests demonstrated that the Spanish isolates were able to reproduce internal symptoms of necrosis and acorn exudation in Q. ilex and Q. pyrenaica and suggest that B. quercina may be associated, among other causes, with the oak decline syndrome affecting Spanish oak forests.

Burnout, engagement, and organisational justice concepts are usually studied in the context of labour organisations, but not in universities. For this, the objective of this research is to identify the students’ empirically evidenced relationships in the employment context, such as levels of organisational justice, stress indicators, burnout and work commitment. On the other hand, engagement is analysed as a mediating variable that explains the relationship between organisational justice and burnout. A sample of 543 students from three Spanish universities, selected by purposive sampling, is used ensuring voluntary and anonymous participation. The instruments used to measure the four variables to analyse are a protocol for data collection, MBI-SS instrument for Academic Burnout, Utrecht Work Engagement Student Scale (UWES) for Engagement and the Scale of Organisational Justice for Organisational Justice. As a result, college students show behaviours that promote academic achievement, and they feel more engaged when they are treated fairly. As for the burnout syndrome dimensions, average levels of emotional exhaustion and academic efficacy, and high levels of cynicism are revealed. In addition, the proposed structural equation model supports the main hypothesis; engagement is a mediating variable in the organisational justice and burnout relationship. To conclude, academic stress and its explanatory framework cannot be conceived only from an organisational perspective, where the context of each student must be considered. The adoption of organisational preventive measures can be relevant in ensuring a healthy and conducive academic performance in our students.

Having a job is an essential part of people’s development. Unemployment, on the contrary, is one of the most frustrating experiences of life with greater psychological consequences for people’s lives. In this sense, psychology has contributed to an increase in knowledge about the personal and social experience of unemployment. This article discusses indicators of anxiety and depression in unemployed people, modulating socio-demographic variables, and coping strategies involved in the higher and lower levels of anxiety and depression. For this, a sample of 244 unemployed people who are users of the Career Service Centre of the Andalusian Public Employment Service of the city of Huelva is used for a descriptive and analytical cross-sectional study. The results show that only 5.7% of the participants do not have depressive symptoms. With regards to anxiety levels, 41.3% of participants have no anxiety. Unemployed people with high anxiety and depression scores have developed maladaptive coping strategies such as substance use, self-blaming, or denial. It is necessary to assess the importance of the unemployment process and the incorporation of appropriate coping strategies that facilitate new integration in the labour market, such as planification, emotional or social support and self-distraction between others.

During the summer of 1995 and subsequent years, bark cankers were observed in walnut trees (cv. Hartley grafted on Juglans hindsii) imported from California in 1978 growing in Badajoz, Spain. Two foci were found in an orchard of 200 ha where 80 walnut trees were affected. Cankers were observed on trunks and branches, and dark exudates staining the bark appeared mainly in summer. Isolations were performed from affected tissue using King's B medium, and Brenneria (Erwinia)-like colonies (1) were purified and characterized. Gram reaction, Kovacs' oxidase, O/F metabolism, aesculin hydrolysis, urease activity, and levan production were assayed for five isolates (1). Biochemical characterization was performed by the miniaturized API 20E, API 20NE, and API 50CH systems (BioMérieux, Marcy-l'Etoile, France) as recommended, except for incubations that were made at 25°C for 48 h. Analyses of the cellular fatty acids of selected isolates were performed as described by Sasser (2). They were also tested in indirect enzyme-linked immunosorbent assay (ELISA) using antisera obtained against the reference strain CFBP 1284 and one Spanish isolate. When compared to the reference strain from California, isolates were identified as Brenneria rubrifaciens (1,3) on the basis of physiological and biochemical characteristics, fatty acid profiles, and ELISA. Pathogenicity of two selected Spanish isolates was confirmed using three 2-year-old walnut trees per bacterial isolate by inoculating 108 CFU of each isolate in deep wounds made in the trunk at 40 and 80 cm from the crown. The reference strain and water were also inoculated as controls. Two months later, removal of the outer bark of walnut revealed typical dark lesions in the inner bark at all the inoculation sites on trees inoculated with the Spanish and reference strains, but no external cankers were observed. Four years later, these plants showed internal lesions (20 to 80 cm), from which B. rubrifaciens was reisolated far away from the inoculation site. To our knowledge this is the first report of this bacterium in Europe. References: (1) L. Hauben et al. Syst. Appl. Microbiol 21:384, 1998. (2) M. Sasser. Pages 199–204 in: Methods in Phytobacteriology. Budapest, Hungary, 1990. (3) E. Wilson et al. Phytopathology 57:618, 1966.

Belonging to carers' associations results in a lower level of perceived burden and a lower risk of developing compassion fatigue syndrome.

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