目的通过系统回顾和综合老年人迁移至养老机构经历的质性研究,为有效预防老年人在向养老机构迁移过程中的迁移应激反应及老年人适应养老机构生活提供循证依据。方法检索中国知网、维普、万方、中国生物医学文献数据库、Web of Science、...目的通过系统回顾和综合老年人迁移至养老机构经历的质性研究,为有效预防老年人在向养老机构迁移过程中的迁移应激反应及老年人适应养老机构生活提供循证依据。方法检索中国知网、维普、万方、中国生物医学文献数据库、Web of Science、PubMed、Embase、CINAHL数据库中与老年人迁移至养老机构经历相关的质性研究,检索时限为建库至2023年5月。由2名研究人员独立地进行文献筛选、资料提取,并对纳入文章进行质量评价。采用汇集性整合方法进行整合。结果共纳入9篇研究,质量评价结果均为B,提炼出34个可信度为明确的研究结果,形成8个新的类别,综合为4个整合结果:老年人经历养老机构迁移的原因和态度;老年人经历养老机构迁移带来的影响;老年人经历养老机构迁移的应对方式;老年人经历养老机构迁移的支持需求。结论老年人迁移至养老机构的原因多样,对迁移至养老机构的态度不一,在迁移过程中会有应激反应,并采取不同方式进行调适,呈现多样性支持需求。养老机构及相关单位人员应全面了解老年人迁移至养老机构经历,为制订针对性的措施以帮助有迁移需求的老年人顺利适应养老机构生活提供参考。展开更多
Light is an important environmental signal that influences plant growth and development.Among the photoreceptors,phytochromes can sense red/far-red light to coordinate various biological processes.However,their functi...Light is an important environmental signal that influences plant growth and development.Among the photoreceptors,phytochromes can sense red/far-red light to coordinate various biological processes.However,their functions in strawberry are not yet known.In this study,we identified an EMS mutant,named P8,in woodland strawberry(Fragaria vesca)that showed greatly increased plant height and reduced anthocyanin content.Mapping-by-sequencing revealed that the causal mutation in FvePhyB leads to premature termination of translation.The light treatment assay revealed that FvePhyB is a bona fide red/far-red light photoreceptor,as it specifically inhibits hypocotyl length under red light.Transcriptome analysis showed that the FvePhyB mutation affects the expression levels of genes involved in hormone synthesis and signaling and anthocyanin biosynthesis in petioles and fruits.The srl mutant with a longer internode is caused by a mutation in the DELLA gene FveRGA1(Repressor of GA1)in the gibberellin pathway.We found that the P8 srl double mutant has much longer internodes than srl,suggesting a synergistic role of FvePhyB and FveRGA1 in this process.Taken together,these results demonstrate the important role of FvePhyB in regulating plant architecture and anthocyanin content in woodland strawberry.展开更多
文摘目的通过系统回顾和综合老年人迁移至养老机构经历的质性研究,为有效预防老年人在向养老机构迁移过程中的迁移应激反应及老年人适应养老机构生活提供循证依据。方法检索中国知网、维普、万方、中国生物医学文献数据库、Web of Science、PubMed、Embase、CINAHL数据库中与老年人迁移至养老机构经历相关的质性研究,检索时限为建库至2023年5月。由2名研究人员独立地进行文献筛选、资料提取,并对纳入文章进行质量评价。采用汇集性整合方法进行整合。结果共纳入9篇研究,质量评价结果均为B,提炼出34个可信度为明确的研究结果,形成8个新的类别,综合为4个整合结果:老年人经历养老机构迁移的原因和态度;老年人经历养老机构迁移带来的影响;老年人经历养老机构迁移的应对方式;老年人经历养老机构迁移的支持需求。结论老年人迁移至养老机构的原因多样,对迁移至养老机构的态度不一,在迁移过程中会有应激反应,并采取不同方式进行调适,呈现多样性支持需求。养老机构及相关单位人员应全面了解老年人迁移至养老机构经历,为制订针对性的措施以帮助有迁移需求的老年人顺利适应养老机构生活提供参考。
基金This work was supported by the National Natural Science Foundation of China(32172539)the Fundamental Research Funds for the Central Universities(2662022YLPY002).
文摘Light is an important environmental signal that influences plant growth and development.Among the photoreceptors,phytochromes can sense red/far-red light to coordinate various biological processes.However,their functions in strawberry are not yet known.In this study,we identified an EMS mutant,named P8,in woodland strawberry(Fragaria vesca)that showed greatly increased plant height and reduced anthocyanin content.Mapping-by-sequencing revealed that the causal mutation in FvePhyB leads to premature termination of translation.The light treatment assay revealed that FvePhyB is a bona fide red/far-red light photoreceptor,as it specifically inhibits hypocotyl length under red light.Transcriptome analysis showed that the FvePhyB mutation affects the expression levels of genes involved in hormone synthesis and signaling and anthocyanin biosynthesis in petioles and fruits.The srl mutant with a longer internode is caused by a mutation in the DELLA gene FveRGA1(Repressor of GA1)in the gibberellin pathway.We found that the P8 srl double mutant has much longer internodes than srl,suggesting a synergistic role of FvePhyB and FveRGA1 in this process.Taken together,these results demonstrate the important role of FvePhyB in regulating plant architecture and anthocyanin content in woodland strawberry.
