5 resultados para Phage-displayed libraries

em CORA - Cork Open Research Archive - University College Cork - Ireland


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Four librarians from Irish university libraries completed the U.K. Future Leaders Programme (FLP) in 2010. In this article they recount their experience and assess the effect of the programme on their professional practice and the value for their institutions. The programme is explored in the context of the Irish higher education environment, which is facing significant challenges due to the demise of the Celtic Tiger economy. A brief review of the literature relating to structured programmes to prepare librarians for senior positions, is presented. The structure and content of the FLP and the learning methodologies, theories, tools and techniques used throughout are discussed. The article suggests that the programme has real value for both individuals and institutions and that it can play a significant role in succession planning and the leadership development of librarians

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A report from the inaugural CONUL (Consortium of National & University Libraries) conference held in the Radisson Blu Hotel, Athlone, June 3rd & 4th 2015.

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Object-oriented design and object-oriented languages support the development of independent software components such as class libraries. When using such components, versioning becomes a key issue. While various ad-hoc techniques and coding idioms have been used to provide versioning, all of these techniques have deficiencies - ambiguity, the necessity of recompilation or re-coding, or the loss of binary compatibility of programs. Components from different software vendors are versioned at different times. Maintaining compatibility between versions must be consciously engineered. New technologies such as distributed objects further complicate libraries by requiring multiple implementations of a type simultaneously in a program. This paper describes a new C++ object model called the Shared Object Model for C++ users and a new implementation model called the Object Binary Interface for C++ implementors. These techniques provide a mechanism for allowing multiple implementations of an object in a program. Early analysis of this approach has shown it to have performance broadly comparable to conventional implementations.

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The tail tape measure protein (TMP) of tailed bacteriophages (also called phages) dictates the tail length and facilitates DNA transit to the cell cytoplasm during infection. Here, a thorough mutational analysis of the TMP from lactococcal phage TP901-1 (TMPTP901-1) was undertaken. We generated 56 mutants aimed at defining TMPTP901-1 domains that are essential for tail assembly and successful infection. Through analysis of the derived mutants, we determined that TP901-1 infectivity requires the N-terminal 154 aa residues, the C-terminal 60 residues and the first predicted hydrophobic region of TMPTP901-1 as a minimum. Furthermore, the role of TMPTP901-1 in tail length determination was visualized by electron microscopic imaging of TMP-deletion mutants. The inverse linear correlation between the extent of TMPTP901-1-encoding gene deletions and tail length of the corresponding virion provides an estimate of TMPTP901-1 regions interacting with the connector or involved in initiator complex formation. This study represents the most thorough characterisation of a TMP from a Gram-positive host-infecting phage and provides essential advances to understanding its role in virion assembly, morphology and infection.