ABSTRACT
Hexaploid triticale results from crosses between durum wheat and rye. Despite its high agronomic potential, triticale is mainly used for livestock feed. Triticale surpasses their parental species in adaptability and tolerance to abiotic and biotic stresses, being able to grow in acidic soils where a high amount of iron (Fe) and zinc (Zn) is typical. On the other hand, high amounts of these essential trace elements can be cytotoxic to bread wheat. The cytotoxicity induced by seed priming with a high concentration of Fe and Zn impaired root cell division and induced nucleolar changes in bread wheat. Such cytogenetic approaches were expedited and successfully determined cytotoxic and suited micronutrient dosages for wheat nutripriming. With this study, we intended to analyse the hexaploid triticale cv 'Douro' root mitotic cell cycle and nucleolar activity after seed priming performed with aqueous solutions of iron (Fe) and/or zinc (Zn), containing a concentration that was previously considered cytotoxic, to bread wheat and to infer the higher tolerance of triticale to these treatments. The overall cytogenetic data allowed us to conclude that the Fe + Zn treatment enhanced the root mitotic index (MI), mitosis regularity and nucleolar activity of 'Douro' relative to the control and the individual treatments performed with Fe or Zn alone. The Fe + Zn treatment might suit triticale biofortification through seed priming.
ABSTRACT
Objetivo: Identificar as ações realizadas pela equipe de enfermagem no extravasamento de drogas antineoplásicas. Método: revisão integrativa de artigos científicos publicados em periódicos nacionais e internacionais, de 2015 a 2020.Resultados: foram identificadas 287 publicações, após a seleção e elegibilidade foram incluídos 5 artigos. Foram extraídas as recomendações gerais e específicas relacionadas ao extravasamento de drogas antineoplásicas. Conclusão: O extravasamento é uma complicação grave durante o tratamento quimioterápico, que pode afetar sua continuidade. Entre as competências da enfermagem estão as ações de prevenção, identificação e o manejo deste evento adverso.
Objective: To identify the actions taken by the nursing team in the extravasation of antioneoplastic drugs. Method: integrative review of scientific articles published in national and international journals, from 2015 to 2020. Results: 287 publications were identified, after selection and eligibility 5 articles were included. The general and specific recommendations related to the extravasation of antineoplastic drugs were extracted. Conclusion: Extravasation is a serious complication during chemotherapy, which can affect its continuity. Among the skills of nursing are the actions of prevention, identification and management of this adverse event.
ABSTRACT
Olive anthracnose is caused by fungal species within the Colletotrichum acutatum, C. gloeosporioides and C. boninense complexes. Anthracnose causes severe pre- and post-harvest olive drupe fall. This study aimed to design a species-specific qPCR assay, based on klap1 gene, suitable for C. acutatum s.s. quantification in cv. Galega Vulgar fruit samples. The developed qPCR assay presented a detection limit of 10.14 fg/reaction, and a linear cycle threshold of R2 = 0.996. C. acutatum inoculum was detected in pulverized olive fruits, and in early infection stages, before symptom appearance, 16 h after inoculation (Ct values = 28.29 ± 1.1). In olive samples, the derived melting curve was specific presenting a single dissociation peak (Tmelting = 88.7 °C). The designed assay was effectively applied in C. acutatum detection and quantification using infected olive samples, with a LOD of 0.59 ng and a LOQ of 1.8 ng, allowing its application to orchard management.
