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- 2019
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Tidskriftsartikel (refereegranskat)
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| 2. |
- Braae, Ellen, et al.
(författare)
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A conversation on education
- 2018
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Ingår i: Routledge Research Companion to Landscape Architecture. - : Routledge. ; , s. 324-334
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Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
- Landscape architecture today is becoming increasingly professionalized as a quasi-global profession—not least through the successful expansion of academic research efforts within the discipline. This includes the kinds of effort to which this volume as a whole contributes, and this chapter broadens our understanding of the institutional structures within which we operate. Indeed, education may be one of the most important realms for the engagement and transmission of knowledge that moves back and forth and connects practice and research in intricate ways—with the added benefit that education remains a dialogical and personal setting for exchange, not least in studio-driven design programmes. We therefore have asked significant educators from Landscape Architecture programmes in Europe and North America to reflect on the tensions and challenges the profession currently faces, and on what we can do to prepare new generations of landscape architects who are now part of the educational system or will be so in the future. Moreover, we wished to inspire a discussion of how the aesthetic and ethical dimensions of landscape architecture potentially impact on the discipline, and of the role they should play in future landscape architecture education.
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| 3. |
- Denver, Dee R, et al.
(författare)
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Selective sweeps and parallel mutation in the adaptive recovery from deleterious mutation in Caenorhabditis elegans.
- 2010
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Ingår i: Genome Research. - : Cold Spring Harbor Laboratory. - 1088-9051 .- 1549-5469. ; 20:12
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Tidskriftsartikel (refereegranskat)abstract
- Deleterious mutation poses a serious threat to human health and the persistence of small populations. Although adaptive recovery from deleterious mutation has been well-characterized in prokaryotes, the evolutionary mechanisms by which multicellular eukaryotes recover from deleterious mutation remain unknown. We applied high-throughput DNA sequencing to characterize genomic divergence patterns associated with the adaptive recovery from deleterious mutation using a Caenorhabditis elegans recovery-line system. The C. elegans recovery lines were initiated from a low-fitness mutation-accumulation (MA) line progenitor and allowed to independently evolve in large populations (N ∼ 1000) for 60 generations. All lines rapidly regained levels of fitness similar to the wild-type (N2) MA line progenitor. Although there was a near-zero probability of a single mutation fixing due to genetic drift during the recovery experiment, we observed 28 fixed mutations. Cross-generational analysis showed that all mutations went from undetectable population-level frequencies to a fixed state in 10-20 generations. Many recovery-line mutations fixed at identical timepoints, suggesting that the mutations, if not beneficial, hitchhiked to fixation during selective sweep events observed in the recovery lines. No MA line mutation reversions were detected. Parallel mutation fixation was observed for two sites in two independent recovery lines. Analysis using a C. elegans interactome map revealed many predicted interactions between genes with recovery line-specific mutations and genes with previously accumulated MA line mutations. Our study suggests that recovery-line mutations identified in both coding and noncoding genomic regions might have beneficial effects associated with compensatory epistatic interactions.
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| 4. |
- Sonnenberg, Pam, et al.
(författare)
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Intimate physical contact between people from different households during the COVID-19 pandemic : a mixed-methods study from a large, quasi-representative survey (Natsal-COVID)
- 2022
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Ingår i: BMJ Open. - : BMJ Publishing Group Ltd. - 2044-6055. ; 12:2
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVES: Physical distancing as a non-pharmaceutical intervention aims to reduce interactions between people to prevent SARS-CoV-2 transmission. Intimate physical contact outside the household (IPCOH) may expand transmission networks by connecting households. We aimed to explore whether intimacy needs impacted adherence to physical distancing following lockdown in Britain in March 2020.METHODS: The Natsal-COVID web-panel survey (July-August 2020) used quota-sampling and weighting to achieve a quasi-representative population sample. We estimate reporting of IPCOH with a romantic/sexual partner in the 4 weeks prior to interview, describe the type of contact, identify demographic and behavioural factors associated with IPCOH and present age-adjusted ORs (aORs). Qualitative interviews (n=18) were conducted to understand the context, reasons and decision making around IPCOH.RESULTS: Of 6654 participants aged 18-59 years, 9.9% (95% CI 9.1% to 10.6%) reported IPCOH. IPCOH was highest in those aged 18-24 (17.7%), identifying as gay or lesbian (19.5%), and in steady non-cohabiting relationships (56.3%). IPCOH was associated with reporting risk behaviours (eg, condomless sex, higher alcohol consumption). IPCOH was less likely among those reporting bad/very bad health (aOR 0.54; 95% CI 0.32 to 0.93) but more likely among those with COVID-19 symptoms and/or diagnosis (aOR 1.34; 95% CI 1.10 to 1.65). Two-thirds (64.4%) of IPCOH was reported as being within a support bubble. Qualitative interviews found that people reporting IPCOH deliberated over, and made efforts to mitigate, the risks.CONCLUSIONS: Given 90% of people did not report IPCOH, this contact may not be a large additional contributor to SARS-CoV-2 transmission, although heterogeneity exists within the population. Public health messages need to recognise how single people and partners living apart balance sexual intimacy and relationship needs with adherence to control measures.
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