992 resultados para evolution strategy
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A strategy to improve outcomes, services and support for people in Northern Ireland who have a physical, communication or sensory disability.
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On 27 January 2011 the Department of Health, Social Services and Public Safety (DHSSPS) launched a three month public consultation for a new draft Physical and Sensory Disability Strategy and Action Plan (2011-2015). åÊ The aim of the consultation was to provide the opportunity for a range of different stakeholders (public authorities and organisations, individuals including persons with disabilities and community and voluntary organisations) from across Northern Ireland to give feedback on the suggested priorities and challenges detailed in the document. The Department recognised the need for a new Disability Strategy and Action Plan not least to address new and developing challenges and opportunities. These include: åÊ • Obligations taken by the UK and NI in signing and ratifying the UN Convention on the Rights of Persons with Disabilities; åÊ • New innovations and models of care, support and treatment available within health and social care; åÊ • The current demographic trends and financial constraints being faced by everyone. åÊ åÊ åÊ
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The trypanosome evolution workshop, a joint meeting of the University of Exeter and the London School of Hygiene and Tropical Medicine, focused on topics relating to trypanosomatid and vector evolution. The meeting, sponsored by The Wellcome Trust, The Special Programme for Research and Training in Tropical Disease of World Health Organization and the British Section of the Society of Protozoologists, brought together an international group of experts who presented papers on a wide range of topics including parasite and vector phylogenies, molecular methodology and relevant biogeographical data.
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Triatomine bug species such as Microtriatoma trinidadensis, Eratyrus mucronatus, Belminus herreri, Panstrongylus lignarius, and Triatoma tibiamaculata are exquisitely adapted to specialist niches. This suggests a long evolutionary history, as well as the recent dramatic spread a few eclectic, domiciliated triatomine species. Virtually all species of the genus Rhodnius are primarily associated with palms. The genus Panstrongylus is predominantly associated with burrows and tree cavities and the genus Triatoma with terrestrial rocky habitats or rodent burrows. Two major sub-divisions have been defined within the species Trypanosoma cruzi, as T. cruzi 1 (Z1) and T. cruzi 2 (Z2). The affinities of a third group (Z3) are uncertain. Host and habitat associations lead us to propose that T. cruzi 1 (Z1) has evolved in an arboreal, palm tree habitat with the triatomine tribe Rhodniini, in association with the opossum Didelphis. Similarly we propose that T. cruzi (Z2) and Z3 evolved in a terrestrial habitat in burrows and in rocky locations with the triatomine tribe Triatomini, in association with edentates, and/or possibly ground dwelling marsupials. Both sub-divisions of T. cruzi may have been contemporary in South America up to 65 million years ago. Alternatively, T. cruzi 2 (Z2) may have evolved more recently from T. cruzi 1 (Z1) by host transfers into rodents, edentates, and primates. We have constructed a molecular phylogeny of haematophagous vectors, including triatomine bugs, which suggests that faecal transmission of trypanosomes may be the ancestral route. A molecular clock phylogeny suggests that Rhodnius and Triatoma diverged before the arrival, about 40 million years ago, of bats and rodents into South America.
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The evolutionary history and times of divergence of triatomine bug lineages are estimated from molecular clocks inferred from nucleotide sequences of the small subunit SSU (18S) and the second internal transcribed spacer (ITS-2) of the nuclear ribosomal DNA of these reduviids. The 18S rDNA molecular clock rate in Triatominae, and Prosorrhynchan Hemiptera in general, appears to be of 1.8% per 100 million years (my). The ITS-2 molecular clock rate in Triatominae is estimated to be around 0.4-1% per 1 my, indicating that ITS-2 evolves 23-55 times faster than 18S rDNA. Inferred chronological data about the evolution of Triatominae fit well with current hypotheses on their evolutionary histories, but suggest reconsideration of the current taxonomy of North American species complexes.
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Recently two hypotheses have been proposed for the evolution of Leishmania involving respectively a Neotropical or Paleartic origin for the species. Here an alternative proposal on the phylogeny of Leishmania based on the major divisions within the genus is presented. In this hypothesis a Neotropic origin is retained for L. (Viannia) and Paraleishmania, a recently desribed section within the genus Leishmania, while an African origin is proposed for L. (Leishmania) and possibly Sauroleishmania. The current distribution of Leishmania in the Neotropics is explained as the product of multiple introductions of Leishmania parasites into the New World. Problems with organismal identity in Sauroleishmania and the use of molecular sequence data in inferring phylogenies are also discussed.
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The evolutionary relationships of sand flies and Leishmania are discussed in this report, which draws distinctions between co-association, co-evolution and co-speciation (or co-cladogenesis). Examples focus on Phlebotomus vectors of Le. infantum and Le. major in the Mediterranean subregion.
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Improving Dementia Services in Northern Ireland - A Regional Strategy - November 2011
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Northern Ireland may not enjoy the sunniest climate in the world, or even in the UK, however, in spite of this we have witnessed a significant rise in the incidence of melanoma skin cancer cases in recent years - from 80 cases in 1984 to 282 in 2009 (the latest year for which published figures are available). In relation to non-melanoma skin cancers, there are approximately 2,850 new cases here each year, making it the most common type of cancer diagnosed in Northern Ireland. åÊ The rise in the number of skin cancer cases is alarming. We know that the increase in this particular type of cancer is global and not just confined to our part of the world. We also know there are many factors involved: the significant rise in people travelling on foreign sun holidays; more leisure time being spent out of doors; and damage caused to the ozone layer to name but a few. åÊ Substantial progress in the area of skin cancer awareness raising and prevention has been made through the previous “Melanoma Strategy” which was developed in 1997. However, the unfortunate reality is that we will continue to see rising rates of skin cancer for some time to come as a result of many years of overexposure to the sun before skin cancer prevention programmes were developed. Until we can reverse this trend through effective campaigning and awareness raising, early detection will be key to bringing down mortality rates. While the 1997 strategy was right for its time, there have been many developments since then, necessitating a new strategy to reflect today’s position. åÊ For example, recent studies about the importance of vitamin D have highlighted the need for balance in sun safety messages. This new strategy is not about stopping people from enjoying the sun and its many benefits. Rather, it is about encouraging people to take proportionate measures to prevent overexposure. åÊ åÊ
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Report on the Review of the Home Accident Prevention Strategy & Action Plan 2004-09
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Personality Disorder: A Diagnosis for Inclusion - The Northern Ireland Personality Disorder Strategy - The Way Forward - June 2010
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May-10
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A Workforce Learning Strategy for the Northern Ireland Health and Social Care Services 2009-2014