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PubMed2002

Porcine gene discovery by normalized cDNA-library sequencing and EST cluster assembly.

Genetic and environmental factors affect the efficiency of pork production by influencing gene expression during porcine reproduction, tissue development, and growth. The identification and functional analysis of gene products important to these processes would be greatly enhanced by the development of a database of expressed porcine gene sequence. Two normalized porcine cDNA libraries (MARC 1PIG and MARC 2PIG), derived respectively from embryonic and reproductive tissues, were constructed, sequenced, and analyzed. A total of 66,245 clones from these two libraries were 5?-end sequenced and deposited in GenBank. Cluster analysis revealed that within-library redundancy is low, and comparison of all porcine ESTs with the human database suggests that the sequences from these two libraries represent portions of a significant number of independent pig genes. A Porcine Gene Index (PGI), comprising 15,616 tentative consensus sequences and 31,466 singletons, includes all sequences in public repositories and has been developed to facilitate further comparative map development and characterization of porcine genes (http://www.tigr.org/tdb/ssgi/). The clones and sequences from these libraries provide a catalog of expressed porcine genes and a resource for development of high-density hybridization arrays for transcriptional profiling of porcine tissues. In addition, comparison of porcine ESTs with sequences from other species serves as a valuable resource for comparative map development. Both arrayed cDNA libraries are available for unrestricted public use.

Animals↗
PubMed1999

Collection development and outsourcing in academic health sciences libraries: a survey of current practices.

Academic health sciences libraries in the United States and Canada were surveyed regarding collection development trends, including their effect on approval plan and blanket order use, and use of outsourcing over the past four years. Results of the survey indicate that serials market forces, budgetary constraints, and growth in electronic resources purchasing have resulted in a decline in the acquisition of print items. As a result, approval plan use is being curtailed in many academic health sciences libraries. Although use of blanket orders is more stable, fewer than one-third of academic health sciences libraries report using them currently. The decline of print collections suggests that libraries should explore cooperative collection development of print materials to ensure access and preservation. The decline of approval plan use and the need for cooperative collection development may require additional effort for sound collection development. Libraries were also surveyed about their use of outsourcing. Some libraries reported outsourcing cataloging and shelf preparation of books, but none reported using outsourcing for resource selection. The reason given most often for outsourcing was that it resulted in cost savings. As expected, economic factors are driving both collection development and outsourcing practices.

Budgets↗
PubMed1984

The user friendly card catalog.

The changing roles and relationships of professional staff in Reference and Cataloging departments in the catalog creation process are discussed. Specific examples are given for handling classification, subject headings and cross references. The article stresses the importance of interface between the two departments in making the catalog more accessible to the users of the library.

Catalogs, Library↗
PubMed1989

The switch library: new service in rehabilitation librarianship.

This article discusses the role of assistive devices in patient rehabilitation programs and the problems in evaluating and assessing patients for prescribing these devices. The rehabilitation library can solve many of these problems and enhance patient rehabilitation programs by providing a circulation service for adapted microswitches and other assistive devices. The article outlines library management of such a program, including funding, acquisitions, classification, and cataloging strategies. A comprehensive library classification scheme for assistive devices is proposed, and schedules are given for microswitches and environmental controls. It is predicted that this service will rapidly expand nationally over the next decade to become an integral part of rehabilitation library patient services.

Activities of Daily Living↗
PubMed1968

Problems of medical subject cataloging.

The subject catalog of the University of Colorado Medical Center Library is examined in considerable detail. Annual revisions of the subject catalog required by annual revisions of the subject heading authority list used, NLM's MeSH, are analyzed in terms of man-hours required for the effort and the effect on the catalog's structure. It is contended that, in a divided catalog, changes of headings on a one-for-one equivalency basis are no more difficult than they would be in a computerized catalog, but that in many-for-one changes the manual catalog and the machine catalog face exactly the same dilemma and in the same magnitude, the only solution in either case being the reexamination of many entries. The proliferation of subheadings is shown to present particularly vexing problems in catalog revision. A plea is made to recognize the MeSH system for what it is, a legitimate compromise between the descriptor-oriented terms of a computer coordinate-indexing system, and the subject-heading-oriented terms of the conventional card catalog.

Automation↗