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At least 19 recordsLinked to original sources
PubMed1977

Centralized automated cataloging of health science materials in the MLC/SUNY/OCLC shared cataloging service.

Since February 1976, The Medical Library Center of New York, with the assistance of the SUNY/OCLC Network, has offered, on a subscription basis, a centralized automated cataloging service to health science libraries in the greater metropolitan New York area. By using workforms and prints of OCLC record (amended by the subscribing participants), technical services personnel at the center have fed cataloging data, via a CRT terminal, into the OCLC system, which provides (1) catalog cards, received in computer filing order; (2) book card, spine, and pocket labels; (3) accessions lists; and (4) data for eventual production of book catalogs and union catalogs. The experience of the center in the development, implementation, operation, and budgeting of its shared cataloging service is discussed.

Book Classification↗
PubMed1976

Subject cataloging practices in North American medical school libraries.

A survey of North American medical school libraries was made to determine current trends in subject cataloging practices. First, responses from 114 of these libraries are recorded and analyzed in the following areas: subject heading authority lists employed; use of the divided versus the dictionary catalog; and the form in which local subject authority files are kept. Then, focusing on 78 libraries that use MeSH in combination with a divided catalog, a further analysis of responses is made concerning issues relating to subject cataloging practices: updating the subject catalog to conform to annual MeSH changes; use of guide cards in the catalog; use of MeSH subheadings; filing conventions; and related issues. An attempt is made to analyze the extent to which these libraries vary from NLM practices. Suggestions are offered for formulating subject cataloging practices for an individual library. Finally, while it is concluded that MeSH and the Current Catalog are useful tools, a more detailed explication of the use of MeSH and NLM cataloging practices would be beneficial.

Cataloging↗
PubMed1975

A description of the catalog division project at the College of Physicians of Philadelphia Library.

This paper describes the procedures used at the Library of the College of Physicians of Philadelphia to divide its ninety-year-old dictionary card catalog. The division was necessitated by overcrowding, obsolete subject headings, and lack of a complete authority list which resulted in like materials being scattered throughout the catalog under several headings. Two catalogs were created: the historical-biographical catalog, representing all works published before 1950 and all works of historical or biographical nature; and the current catalog, containing all works published from 1950 on, excepting historical or biographical materials. The 1950- catalog was further divided into name and subject catalogs, and the subject section was revised according to MeSH. The project was completed in about two years. As a result, searching time has been much reduced, and the library is able to take advantage of the annual revisions of MeSH to update the subject catalog.

Cataloging↗
PubMed1975

Mechanization of library procedures in a medium-sized medical library: XVI. Computer-assisted cataloging, the first decade.

After ten years of experimentation in computer-assisted cataloging, the Washington University School of Medicine Library has decided to join the Ohio College Library Center network. The history of the library's work preceding this decision is reviewed. The data processing equipment and computers that have permitted librarians to explore different ways of presenting cataloging information are discussed. Certain cataloging processes are facilitated by computer manipulation and printouts, but the intellectual cataloging processes such as descriptive and subject cataloging are not. Networks and shared bibliographic data bases show promise of eliminating the intellectual cataloging for one book by more than one cataloger. It is in this area that future developments can be expected.

Cataloging↗
PubMed1978

A union catalog of monographs: another approach.

The rationale for and the production of the 1977 TALON Union Catalog of Monographs are described. The 158,859 records include the existing machine-readable records for six health sciences libraries plus the cataloging of six others, converted by matching other data bases and by keypunching. The method and costs of production are discussed. Use of Computer-Output-Microfiche (COM) significantly decreased the cost and time required for publication. The $.076 unit cost per entry, with both author and title access for the COM method, is almost one-half the unit cost for the previous method which offered only main-entry access. The TALON Catalog compares favorably with the Midwest Medical Union Catalog. The addition of the title index significantly increases its usefulness. However, the unique feature of the TALON Catalog may be its machine-readable form which offers the potential for quantitative analyses of health sciences library collections. Such data may be essential for rational management of limited library funds.

Books↗
PubMed1977

Catalog card production with a programmable terminal.

Application of a programmable terminal and printer to the cataloging task of a small medical library is described. The application is independent of a computer; the terminal is used in "local" mode only. Full sets of catalog cards are produced, following a single typing of descriptive cataloging data and tracings. Books can be cataloged the same day they are received. Actual cost per book is just over a dollar, for equipment rental, card stock, and the cataloger's time at the console, after call number, tracings, and main entry for the book have been determined.

Catalogs, Library↗
PubMed2025

A comprehensive reference catalog of human skin DNA virome reveals novel viral diversity and microenvironmental influences.

UNLABELLED: Human skin serves as a dynamic habitat for a diverse microbiome, including a complex array of viruses whose diversity and roles are not fully understood. A total of 2,760 skin metagenomes from 6 published skin studies were collected. A skin virome catalog was constructed using standard methods in the viromics field. Viral characteristics were identified through cross-cohort meta-analysis and used to characterize viral features across different skin environments. We identified 20,927 viral sequences, which clustered into 2,873 viral operational taxonomic units (vOTUs), uncovering a substantial breadth of viral diversity on human skin. The results also highlight significant differences in viral communities that are associated with varying skin microenvironments. The oily skin is enriched in Papillomaviridae, the dry skin area is enriched in Autographiviridae and Inoviridae, and the moist skin is enriched in Herelleviridae. We also investigated the relationship between bacteriophages and bacteria on the skin surface. We found that skin bacteria such as Pseudomonas, Klebsiella, and Staphylococcus are predicted to be infected by phages from the class Caudoviricetes. This comprehensive skin DNA viral catalog significantly advances our understanding of the virome's role within the skin ecosystem. IMPORTANCE: This study presents a comprehensive reference catalog of the human skin DNA virome, constructed from 2,760 metagenomic datasets collected globally. It identified 20,927 viral sequences, with 90.85% representing previously unknown viruses, greatly expanding our understanding of skin viral diversity. The findings reveal significant differences in viral communities between distinct skin microenvironments (oily, dry, and moist) and highlight close interactions between bacteriophages and their bacterial hosts, suggesting a potential role for the virome in maintaining microbial balance and skin health. This extensive skin viral catalog constitutes a crucial resource for future epidemiological and therapeutic research, potentially facilitating the development of novel phage therapies and diagnostic markers for skin disorders.

Humans↗
PubMed1975

Cost-performance analysis of cataloging and card production in a medical center library.

The unit cost of cataloging current English language monographs was studies and compared with the cost of purchasing catalog cards from a commercial source. Two hypotheses were proposed: (1) in-library costs for cataloging and card production are higher than those for the purchased-card method; (2) throughput time is faster for the in-library method. In addition, the data can be used to develop an analytical cost-performance model for administrative purposes. The data presented support the hypotheses. The model developed provides a mechanism for arriving at a cost for different levels of service and can be used to measure the performance of other alternative methods of cataloging. Implications for the use of CATLINE are discussed and suggestions for further studies are described.

Cataloging↗
PubMed1975

Computer-assisted cataloging: experiences at the UCLA Biomedical Library.

The computer-assisted procedures developed in the UCLA Biomedical Library Cataloging Division have been in effect for approximately three years. The system utilizes a Delta Data System cathode ray tube terminal and cassette attachment for on or off-line input of data. Products of the system include catalog card sets arranged in filing order, a monthly Recent Acquisitions List, and computer-generated book catalogs. Planning, personnel, and equipment requirements are discussed, and preliminary cost figures for various parts of the system are given. Potential applications of the automated system on a regional level and in terms of the library's future automation plans are considered.

California↗
PubMed1976

Automated cataloging: the state of the art.

The art of cataloging is in a state of constant dynamic change. The capabilities of automation are causing changes in the tools we have at our disposal, the education and training we need to work with these tools, the caliber of staff we use at various stages of the cataloging process, and the physical form of the end product of the efforts of the catalog department. But perhaps of more importance is the cooperation and sharing between libraries on both the national and international level that become possible as the result of automated systems.

Automation↗
PubMed1976

A computer-generated catalog of audiovisuals.

A computer-generated catalog of nonprint media is described. Examples are given of four access points to the data base: (1) main entry, (2) title, (3) MeSH terms, and (4) broad subject categories. The data input procedure is summarized. The AV catalog as the basis for a union list is evaluated, and finally, the catalog in relation to certain local problems is discussed.

Audiovisual Aids↗
PubMed1975

Cataloging audiovisual materials: a new dimension.

A new more comprehensive system for cataloging audiovisual materials is described. Existing audiovisual cataloging systems contain mostly descriptive information, publishers' or producers' summaries, and order information. This paper discusses the addition of measurable learning objectives to this standard information, thereby enabling the potential user to determine what can be learned from a particular audiovisual unit. The project included media in nursing only. A committee of faculty and students from the University of Alabama in Birmingham School of Nursing reviewed the materials. The system was field-tested at nursing schools throughout Alabama; the schools offered four different types of programs. The system and its sample product, the AVLOC catalog, were also evaluated by medical librarians, media specialists, and other nursing instructors throughout the United States.

Audiovisual Aids↗
PubMed1977

Audiovisual materials: a survey of bibliographic controls in distributors' catalogs.

The current pattern of bibliographic control in audio-visual distributors' catalogs is described. Eight bibliographic control elements are defined, and the criteria for evaluating the occurrence of these elements in sixty-four sample catalogs are specified. When the distributors are grouped according to category, such as educational or commercial, the pattern of bibliographic control has three distinct clusters of elements. When the distributors are grouped by the number of titles handled, there is no clear pattern. The implications of these patterns are discussed in terms of practical library reference services. A solution to the problem of bibliographic control of health science audiovisual materials is proposed.

Audiovisual Aids↗
PubMed2026

A genomic catalog of Earth's bacterial and archaeal symbionts.

Microbial symbiosis drives the functional and phylogenomic diversification of life on Earth yet remains underexplored because of culturing challenges. This study used machine learning (ML) to predict symbiotic lifestyles in more than a hundred thousand microbial genomes from diverse environmental metagenome samples and reference genomes. Predictions were performed using symclatron, an ML framework developed to identify genomic signatures of symbionts. Predictions were deposited in a catalog we established called Symbiont Genomes (SymGs). The results indicate that 15-23% of uncultivated microorganisms likely engage in symbiotic relationships with other organisms, categorized as host-associated or obligate intracellular lifestyles, and are present in half of all known bacterial and archaeal phyla. We also identify genomic signatures of symbiotic lifestyles, including the loss of certain metabolic functions and the differential presence of metabolic modules that may enable host-dependent living. The symclatron software and the SymGs catalog represent valuable resources for studying symbioses, potentially facilitating future mechanistic investigations and engineering of host-microorganism associations.

Journal Article↗
PubMed2025

A high-quality genomic catalog of the human oral microbiome broadens its phylogeny and clinical insights.

The oral microbiome is increasingly linked to human health. To further examine this microbial community, we present the human reference oral microbiome (HROM), with 72,641 high-quality genomes from 3,426 species, including 2,019 previously unidentified species, improving metagenomic sequence read classification over existing catalogs. Notably, HROM unveils 1,137 previously uncharacterized candidate phyla radiation (CPR) species, establishing Patescibacteria as the most prevalent phylum in the oral microbiota and distinct from environmental Patescibacteria. Additionally, an oral CPR subclade is associated with periodontitis, complementing Porphyromonas gingivalis in predicting disease. Finally, comparing HROM with reference genomes of the gut microbiome reveals taxonomic and functional divergence between these microbiomes. HROM contains 42 ectopic oral species, and their relative abundance in gut microbiota is predictive of intestinal, cardiovascular, and liver diseases. Thus, HROM offers an expanded view of the oral microbiome and highlights the clinical importance of further examining the links between oral microbes and systemic disorders.

Humans↗
PubMed1978

Patterns of protein synthesis in E. coli: a catalog of the amount of 140 individual proteins at different growth rates.

The amount of 140 individual proteins of E. coli B/r was measured during balanced growth in five different media. The abundance of each protein was determined from its absolute amount in 14C-glucose-minimal medium and a measurement of its relative amount at each growth rate using a double labeling technique. Separation of the proteins was carried out by two-dimensional gel electrophoresis. This catalog of proteins, combined with 50 additional ribosomal proteins already studied, comprises about 5% of the coding capacity of the genome, but accounts for two thirds of the cell's protein mass. The behavior of most of these proteins could be described by a relatively small number of patterns. 102 of the 140 proteins exhibited nearly linear variations with growth rate. The remaining 38 proteins exhibited levels which seemed to depend more on the chemical nature of the medium than on growth rate. Proteins, including the ribosomal proteins, that increase in amount with increasing growth rate account for 20% of total cell protein by weight during growth on acetate, 32% on glucose-minimal medium and 55% on glucose-rich medium. Proteins with invariant levels in the various media comprise about 4% of the cell's total protein.

Bacterial Proteins↗