969 resultados para alternative splicing


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The Universiti Sains Malaysia APEX program is an attempt to engage the difficult and complex problems of competition, moral leadership and responsibility in Malaysian education. This paper discusses and gives an analysis of some central issues with regards to USM’s reform agenda. I seek to place the USM project within a broader debate over the nature of reform and the possibilities of business unusual in the Malaysian and global environment. The paper is part of a broader project of theorization of USM in the context of understanding what APEX is and how it truly offers a new and vigorous engagement with the problems of higher education in Malaysia.

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Water sensitive design on our urban threshold is increasingly becoming topical. In Adelaide it is being driven by stormwater management strategies and economic efficiencies in a city that is beginning to embrace its Mediterranean environment, low water sustainability, and whether our showpiece public domains in Adelaide can afford large expanses of manicured lawns.

This paper reviews four projects in progress along the North Terrace in Adelaide. The first involves a major redesign of First Creek as it traverses Adelaide Botanic Garden to address stormwater management issues. The redesign includes strategies to control flash flooding, to cleanse stream water from pollutants, and to carefully incorporate a wetland system as an integral botanical and horticultural feature of a botanic garden. Further down North Terrace, the University of Adelaide is evaluating a scenario that will totally redesign Goodman Crescent, its picture-postcard promenade lawn. The scenario is to host an integrated water retention and water purification and cleansing system that will service independently of mains water an irrigation system and a waterfall. The proposal draws upon a similar strategy recently adopted by the South Australian Museum to capture and cleanse surface and roof water but place the installation and process on display as part of its overall biodiversity museum display that will unfold over the next five years under director Tim Flannery. The fourth example, in process at present, is to devise an integrated water system that may enable the Government House grounds to remove itself from dependence upon costly mains water to totally sustain its extensive gardens and lawns.

Importantly each project has similar threads: creative water maximization and purification use, and a desire to place these ‘installations’ on display as public statements of their commitment to water sustainability in Adelaide. But radically, here are four prominent cultural institutions readily willing to redefine the notion and traditional visual imagery of a ‘wetland’ on what is the main cultural boulevard of a capital city.

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Our paper presents a summary of the existing literature on human resource management (HRM) studies in mainland China published in the 25 leading international journals over the last 30 years. The aim is to take stock of what is known and what is yet to be known about HRM in China. We argue that what is known is comparative rather than definitive, with HRM in China treated as a subset of international HRM, rather than as a mainstream issue. With a quarter of the world’s population affected by an understanding of what constitutes better HRM in China, we call for a more inclusive, collaborative approach by researchers inside and outside China.

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Complementary therapy (CAM) use is common.  CAM includes a variety of medicines, products and therapies used to promote health or treat symptoms and minor illnesses. CAM products are widely available from a variety of sources such as practitioners, pharmacies, supermarkets, health food shops and markets as well as on the internet.  Many CAM and conventional practitioners are concerned about the safety and efficact of CAM products and the lack of a strong regulatory framework for their use. 

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We describe methods for obtaining a quantitative description of RNA processing at high resolution in budding yeast. As a model gene expression system, we constructed tetON (for induction studies) and tetOFF (for repression, derepression, and RNA degradation studies) yeast strains with a series of reporter genes integrated in the genome under the control of a tetO7 promoter. Reverse transcription and quantitative real-time-PCR (RT-qPCR) methods were adapted to allow the determination of mRNA abundance as the average number of copies per cell in a population. Fluorescence in situ hybridization (FISH) measurements of transcript numbers in individual cells validated the RT-qPCR approach for the average copy-number determination despite the broad distribution of transcript levels within a population of cells. In addition, RT-qPCR was used to distinguish the products of the different steps in splicing of the reporter transcripts, and methods were developed to map and quantify 3′-end cleavage and polyadenylation. This system permits pre-mRNA production, splicing, 3′-end maturation and degradation to be quantitatively monitored with unprecedented kinetic detail, suitable for mathematical modeling. Using this approach, we demonstrate that reporter transcripts are spliced prior to their 3′-end cleavage and polyadenylation, that is, cotranscriptionally.