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At least 55 records · Page 3Linked to original sources
PubMed2004

GDR (Genome Database for Rosaceae): integrated web resources for Rosaceae genomics and genetics research.

BACKGROUND: Peach is being developed as a model organism for Rosaceae, an economically important family that includes fruits and ornamental plants such as apple, pear, strawberry, cherry, almond and rose. The genomics and genetics data of peach can play a significant role in the gene discovery and the genetic understanding of related species. The effective utilization of these peach resources, however, requires the development of an integrated and centralized database with associated analysis tools. DESCRIPTION: The Genome Database for Rosaceae (GDR) is a curated and integrated web-based relational database. GDR contains comprehensive data of the genetically anchored peach physical map, an annotated peach EST database, Rosaceae maps and markers and all publicly available Rosaceae sequences. Annotations of ESTs include contig assembly, putative function, simple sequence repeats, and anchored position to the peach physical map where applicable. Our integrated map viewer provides graphical interface to the genetic, transcriptome and physical mapping information. ESTs, BACs and markers can be queried by various categories and the search result sites are linked to the integrated map viewer or to the WebFPC physical map sites. In addition to browsing and querying the database, users can compare their sequences with the annotated GDR sequences via a dedicated sequence similarity server running either the BLAST or FASTA algorithm. To demonstrate the utility of the integrated and fully annotated database and analysis tools, we describe a case study where we anchored Rosaceae sequences to the peach physical and genetic map by sequence similarity. CONCLUSIONS: The GDR has been initiated to meet the major deficiency in Rosaceae genomics and genetics research, namely a centralized web database and bioinformatics tools for data storage, analysis and exchange. GDR can be accessed at http://www.genome.clemson.edu/gdr/.

Computer Graphics↗
PubMed2004

Analysis of multiple genomic sequence alignments: a web resource, online tools, and lessons learned from analysis of mammalian SCL loci.

Comparative analysis of genomic sequences is becoming a standard technique for studying gene regulation. However, only a limited number of tools are currently available for the analysis of multiple genomic sequences. An extensive data set for the testing and training of such tools is provided by the SCL gene locus. Here we have expanded the data set to eight vertebrate species by sequencing the dog SCL locus and by annotating the dog and rat SCL loci. To provide a resource for the bioinformatics community, all SCL sequences and functional annotations, comprising a collation of the extensive experimental evidence pertaining to SCL regulation, have been made available via a Web server. A Web interface to new tools specifically designed for the display and analysis of multiple sequence alignments was also implemented. The unique SCL data set and new sequence comparison tools allowed us to perform a rigorous examination of the true benefits of multiple sequence comparisons. We demonstrate that multiple sequence alignments are, overall, superior to pairwise alignments for identification of mammalian regulatory regions. In the search for individual transcription factor binding sites, multiple alignments markedly increase the signal-to-noise ratio compared to pairwise alignments.

Animals↗
PubMedDate not supplied

A new cancer genome anatomy project web resource for the community.

The National Cancer Institute's Cancer Genome Anatomy Project (CGAP) is developing publicly accessible information, technology, and material resources that provide a platform for the interface of cancer research and genomics. CGAP's efforts have focused toward (1) building and annotating catalogues of genes expressed during cancer development, (2) identifying polymorphisms in those genes, and (3) developing resources for the molecular characterization of cancer-related chromosomal aberrations. To date, CGAP has produced more than 1,000,000 expressed sequence tags, approximately 3,300,000 serial analysis of gene expression tags, and identified more than 10,000 human gene-based single-nucleotide polymorphisms. To enhance access to these datasets by the research community, a new Cancer Genome Project web site (http://cgap.nci.nih.gov/) is being introduced. The web site includes genomic data for humans and mice, including transcript sequence, gene expression patterns, single-nucleotide polymorphisms, clone resources, and cytogenetic information. Descriptions of the methods and reagents used in deriving the CGAP datasets are also provided. An extensive suite of informatics tools facilitates queries and analysis of the CGAP data by the community. One of the newest features of the CGAP web site is an electronic version of the Mitelman Database of Chromosome Aberrations in Cancer.

Chromosome Aberrations↗
PubMed2005

ArrayQuest: a web resource for the analysis of DNA microarray data.

BACKGROUND: Numerous microarray analysis programs have been created through the efforts of Open Source software development projects. Providing browser-based interfaces that allow these programs to be executed over the Internet enhances the applicability and utility of these analytic software tools. RESULTS: Here we present ArrayQuest, a web-based DNA microarray analysis process controller. Key features of ArrayQuest are that (1) it is capable of executing numerous analysis programs such as those written in R, BioPerl and C++; (2) new analysis programs can be added to ArrayQuest Methods Library at the request of users or developers; (3) input DNA microarray data can be selected from public databases (i.e., the Medical University of South Carolina (MUSC) DNA Microarray Database or Gene Expression Omnibus (GEO)) or it can be uploaded to the ArrayQuest center-point web server into a password-protected area; and (4) analysis jobs are distributed across computers configured in a backend cluster. To demonstrate the utility of ArrayQuest we have populated the methods library with methods for analysis of Affymetrix DNA microarray data. CONCLUSION: ArrayQuest enables browser-based implementation of DNA microarray data analysis programs that can be executed on a Linux-based platform. Importantly, ArrayQuest is a platform that will facilitate the distribution and implementation of new analysis algorithms and is therefore of use to both developers of analysis applications as well as users. ArrayQuest is freely available for use at http://proteogenomics.musc.edu/arrayquest.html.

Algorithms↗
PubMed2000

The wild, wild Web: resources for counseling patients with prostate cancer in the information age.

The increasing public awareness of prostate cancer coincides with a growing desire for patients to be better informed about their disease and treatment options. As technology advances, access to information about prostate cancer also expands. Publications, videos, interactive CD-ROMs, support groups, and the Internet are redefining how patients and their physicians interact to make decisions. As an example of the impact of technology on the practice of medicine, it is estimated that there are more than 70,000 health care-related Web sites. Although on the surface access to this information appears to be a benefit, it can often lead to more confusion and anxiety because much of the information can be conflicting. This is more likely to occur in a disease such as prostate cancer where there is no consensus of opinion concerning the management of localized disease. This article reviews the expanding array of technologies and resources, including the Internet, available to patients with newly diagnosed prostate cancer. With this vast amount of information readily available to the patient, the role of the physician in the interpretation of the data as it relates to the individual patient remains an essential part of health care in the information age.

Counseling↗
PubMed1996

The dysmorphic human-mouse homology database (DHMHD): an interactive World-Wide Web resource for gene mapping.

Genetic mapping and the examination of "candidate genes" for isolating loci associated with clinical syndromes can be greatly accelerated if there is information about where in the genome a particular locus might be situated. Such clues can come from homology to mouse mutants that have been mapped and knowledge of homology between mouse and human chromosomal segments. Further clues can come from chromosome aberrations giving a similar phenotype. However, these clues are often scattered widely in published reports, and even if they are collected together in catalogues or databases there is no rapid way of moving from one data type to another. The Dysmorphic Human and Mouse Homology Database (DHMHD) is designed to ease this data transition. DHMHD comprises detailed information from four separate sources and enables cross referencing through phenotypic and chromosome homology. The DHMHD system is a prototype which is now available online through the World-Wide Web.

Animals↗
PubMed2002

Developmental toxicity: web resources for evaluating risk in humans.

This review presents a brief overview of Internet resources that provides information on developmental toxicity. The advantages and limitations of these resources for evaluating human risk and where each one is useful for informing various stages of the risk assessment process (i.e. hazard characterization, dose-response assessment, exposure assessment and risk characterization) are reviewed. How these Internet resources can be utilized to obtain information on and evaluate the developmental risk associated with exposures during pregnancy will be illustrated using toluene. Translating information derived from laboratory and human population studies into clinical management prescriptions for individual patients is difficult. With the increasing availability of Internet resources that provide information relevant for developmental risk assessments, health care professionals will be better equipped to make more accurate estimations of potential risk for their patients.

Abnormalities, Drug-Induced↗
PubMed2002

A biologist's guide to synchrotron facilities: the BioSync web resource.

Research at synchrotron radiation facilities, once the domain of high energy physics, now has a major impact on fields as diverse as immunology, neurobiology, physiology, molecular biology, medicine and biotechnology. This article describes the development of a comprehensive synchrotron portal and informational website (http://www.biosync.sdsc.edu) for biologists engaged in research at synchrotrons. The site automatically provides timely and accurate information in a unified format by gathering technical descriptions of synchrotron beamlines using modern information management practices.

Internet↗
PubMed2004

Free Web resources on alternatives.

Access to many online databases for alternatives searches requires a paid subscription and these fees may be expensive for small or not-for-profit institutions. The author provides a list of free sites that can be used to fulfill the legal requirement for an alternatives search.

Animal Testing Alternatives↗