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  • 1
    Electronic Resource
    Electronic Resource
    From Proteins to Proteomes: Large Scale Protein Identification by Two-Dimensional Electrophoresis and Arnino Acid Analysis (1996)
    [s.l.] : Nature Publishing Company
    Nature biotechnology 14 (1996), S. 61-65 
    Details
    ISSN: 1546-1696
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: [Auszug] Separation and identification of proteins by two-dimensional (2-D) electrophoresis can be used for protein-based gene expression analysis. In this report single protein spots, from polyvinylidene difluoride blots of micropreparative E. coli 2-D gels, were rapidly and economically identified by ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nbt0196-61
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  • 2
    Electronic Resource
    Electronic Resource
    Inside SWISS-2DPAGE database (1995)
    Weinheim : Wiley-Blackwell
    Electrophoresis 16 (1995), S. 1131-1151 
    Details
    ISSN: 0173-0835
    Keywords: SWISS-2DPAGE ; Two-dimensional gel electrophoresis ; Protein database ; Protein mapping ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Several two-dimensional polyacrylamide gel electrophoresis (2-D PAGE) databases have been established and updated for more than 15 years. Only recently have developments of computer networks and high-speed transfer protocols provided the required tools for sharing comprehensive and hypermedia 2-D PAGE databases. This publication describes the SWISS-2DPAGE database structure. Proteins present in samples of human tissue, cells, cell lines and body fluids are assembled and described in an accessible uniform format. SWISS-2DPAGE can be freely accessed through the World-Wide Web (WWW) network on the ExPASy molecular biology server.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.11501601190
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  • 3
    Electronic Resource
    Electronic Resource
    The yeast SWISS-2DPAGE database (1996)
    Weinheim : Wiley-Blackwell
    Electrophoresis 17 (1996), S. 556-565 
    Details
    ISSN: 0173-0835
    Keywords: Yeast ; SWISS-2DPAGE ; Two-dimensional polyacrylamide gel electrophoresis ; Protein database ; Protein mapping ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: The systematic sequencing of the yeast genome will soon be completed. A new challenge has been launched by the EUROFAN (European Functional Analysis) project whose goal is to elucidate the physiological and biochemical function of newly discovered open reading frames (ORF) from yeast. One of the approaches is to use protein-based technologies such as two-dimensional gel eletrophoresis and protein identification in order to establish a yeast reference map. Modified protein patterns can be compared to the reference map which hopefully will help identify changes related, for example, to growth processes or developmental events. This paper describes the yeast SWISS-2DPAGE database in which charge separation was obtained using immobilized pH gradient (IPG). Proteins identified by gel comparison, amino acid composition analysis and/or microsequencing are recorded and described in an accessible uniform format. We have identified more than one hundred polypeptides, several of which were newly mapped. In addition, the yeast SWISS-2DPAGE database can be freely accessed through the World Wide Web (WWW) network on the ExPASy molecular biology server.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150170326
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  • 4
    Electronic Resource
    Electronic Resource
    Federated two-dimensional electrophoresis database: A simple means of publishing two-dimensional electrophoresis data (1996)
    Weinheim : Wiley-Blackwell
    Electrophoresis 17 (1996), S. 540-546 
    Details
    ISSN: 0173-0835
    Keywords: SWISS-2DPAGE ; Two-dimensional polyacryamide gel electrophoresis ; Protein database ; World Wide Web ; Federated data-base ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: While a two-dimensional electrophoresis (2-DE) database is a relatively old concept, in recent years it generated renewed interest within the 2-DE community due to two main factors: (i) The high reproducibility of the current 2-DE method allows 2-DE images to be exchanged and compared between laboratories. (ii) The recent development of faster and more powerful techniques for protein identification such as microsequencing, matrix-assisted laser desorption ionization-mass spectrometry (MALDI-MS) and amino acid composition makes the production of reference protein maps and 2-DE databases cost- and time-effective. Additionally, the Internet network's current increase in popularity, combined with the rapid growth of Internet-connected laboratories, provides a straightforward means of publishing and sharing 2-DE data. While a small number of laboratories have already successfully published their data over the net, the increasing number of 2-DE database servers that are currently being set up will sooner or later require some kind of standardization. Unfortunately, standardization can be a long and cumbersome process inevitably leading to undesirable compromises. A federated database offers a simple and efficient way to publish and share 2-DE data without the need for standardization. Taking advantage of Internet protocols such as World Wide Web, they allow each laboratory to maintain their own database and to interconnect it with other similar databases through the use of active cross-references. This paper first presents guidelines for building a federated 2-DE database that may easily be followed by most laboratories. It then briefly reviews the state-of-the-art in networked 2-DE databases, and finally describes the SWISS-2DPAGE database which fully implements the concept of a federated 2-DE database.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150170324
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  • 5
    Electronic Resource
    Electronic Resource
    Melanie II - a third-generation software package for analysis of two-dimensional electrophoresis images: I. Features and user interface (1997)
    Weinheim : Wiley-Blackwell
    Electrophoresis 18 (1997), S. 2724-2734 
    Details
    ISSN: 0173-0835
    Keywords: Melanie ; Computer analysis ; Two-dimensional polyacrylamide gel electrophoresis ; World Wide Web ; Federated database ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Although two-dimensional electrophoresis (2-DE) computer analysis software packages have existed ever since 2-DE technology was developed, it is only now that the hardware and software technology allows large-scale studies to be performed on low-cost personal computers or workstations, and that setting up a 2-DE computer analysis system in a small laboratory is no longer considered a luxury. After a first attempt in the seventies and early eighties to develop 2-DE analysis software systems on hardware that had poor or even no graphical capabilities, followed in the late eighties by a wave of innovative software developments that were possible thanks to new graphical interface standards such as XWindows, a third generation of 2-DE analysis software packages has now come to maturity. It can be run on a variety of low-cost, general-purpose personal computers, thus making the purchase of a 2-DE analysis system easily attainable for even the smallest laboratory that is involved in proteome research. Melanie II 2-D PAGE, developed at the University Hospital of Geneva, is such a third-generation software system for 2-DE analysis. Based on unique image processing algorithms, this user-friendly object-oriented software package runs on multiple platforms, including Unix, MS-Windows 95 and NT, and Power Macintosh. It provides efficient spot detection and quantitation, state-of-the-art image comparison, statistical data analysis facilities, and is Internet-ready. Linked to proteome databases such as those available on the World Wide Web, it represents a valuable tool for the “Virtual Lab” of the postgenome area.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150181506
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  • 6
    Electronic Resource
    Electronic Resource
    Melanie II - a third-generation software package for analysis of two-dimensional electrophoresis images: II. Algorithms (1997)
    Weinheim : Wiley-Blackwell
    Electrophoresis 18 (1997), S. 2735-2748 
    Details
    ISSN: 0173-0835
    Keywords: Melanie ; Computer analysis ; Two-dimensional polyacrylamide gel electrophoresis ; Image processing ; Spot detection ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: After two generations of software systems for the analysis of two-dimensional electrophoresis (2-DE) images, a third generation of such software packages has recently emerged that combines state-of-the-art graphical user interfaces with comprehensive spot data analysis capabilities. A key characteristic common to most of these software packages is that many of their tools are implementations of algorithms that resulted from research areas such as image processing, vision, artifical intelligence or machine learning. This article presents the main algorithms implemented in the Melanie II 2-D PAGE software package. The applications of these algorithms, embodied as the feature of the program, are explained in an accompanying article (R. D. Appel et al.; Electrophoresis 1997, 18, 2724-2734).
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150181507
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    The MELANIE project: From a biopsy to automatic protein map interpretation by computer (1991)
    Weinheim : Wiley-Blackwell
    Electrophoresis 12 (1991), S. 722-735 
    Details
    ISSN: 0173-0835
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: The goals of the MELANIE project are to determine if disease-associated patterns can be detected in high resolution two-dimensional polyacrylamide gel electrophoresis (HR 2D-PAGE) images and if a diagnosis can be established automatically by computer. The ELSIE/MELANIE system is a set of computer programs which automatically detect, quantify, and compare protein spots shown on HR 2D-PAGE images. Classification programs help the physician to find disease-associated patterns from a given set of two-dimensional gel electrophoresis images and to form diagnostic rules. Prototype expert systems that use these rules to establish a diagnosis from new HR 2D-PAGE images have been developed. They successfully diagnosed cirrhosis of the liver and were able to distinguish a variety of cancer types from biopsies known to be cancerous.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150121006
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  • 8
    Electronic Resource
    Electronic Resource
    From experimental data analysis and modeling to clinical applications (1997)
    Weinheim : Wiley-Blackwell
    Electrophoresis 18 (1997), S. I 
    Details
    ISSN: 0173-0835
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150181502
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  • 9
    Electronic Resource
    Electronic Resource
    Make2ddb: A simple package to set up a two-dimensional electrophoresis database for the World Wide Web (1997)
    Weinheim : Wiley-Blackwell
    Electrophoresis 18 (1997), S. 2755-2758 
    Details
    ISSN: 0173-0835
    Keywords: SWISS-2DPAGE ; Two-dimensional polyacrylamide gel electrophoresis ; Protein database ; Federated database ; World Wide Web ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Two-dimensional electrophoresis (2-DE) has become a highly reproducible protein separation technique that currently serves as the main basis for proteome research and in particular for protein identification. Also, the Internet provides large utilities for exchanging data, and we can observe increased interest among scientists to build remote 2-DE databases, since many members of the concerned community are now able to access the data. By preparing the data and programs that are required to create a federated 2-DE database, the Make2ddb package, described here, helps to build such a database on the user own World Wide Web site.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150181509
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  • 10
    Electronic Resource
    Electronic Resource
    Detailed peptide characterization using PEPTIDEMASS - a World-Wide-Web-accessible tool (1997)
    Weinheim : Wiley-Blackwell
    Electrophoresis 18 (1997), S. 403-408 
    Details
    ISSN: 0173-0835
    Keywords: Peptide mass fingerprinting ; Mass spectrometry ; Post-translational modifiation ; Proteome ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: In peptide mass fingerprinting, there are frequently peptides whose masses cannot be explained. These are usually attributed to either a missed cleavage site during the chemical or enzymatic cutting process, the lack of reduction and alkylation of a protein, protein modifications like the oxidation of methionine, or the presence of protein post-translational modifications. However, they could equally be due to database errors, unusual splicing events, variants of a protein in a population, or artifactual protein modifications. Unfortunately the verification of each of these possibilities can be tedious and time-consuming. To better utilize annotated protein databases for the understanding of peptide mass fingerprinting data, we have written the program “PEPTIDE-MASS”. This program generates the theoretical peptide masses of any protein in the SWISS-PROT database, or of any sequence specified by the user. If the sequence is derived from the SWISS-PROT database, the program takes into account any annotations for that protein in order to generate the peptide masses. In this manner, the user can obtain the predicted masses of peptides from proteins which are known to have signal sequences, propeptides, transit peptides, simple post-translational modifications, and disulfide bonds. Users are also warned if any peptide masses are subject to change from protein iso-forms, database conflicts, or an mRNA splicing variation. The program is freely accessible to the scientific community via the ExPASy World Wide Web server, at the URL address: www.expasy.ch/www/tools.html.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150180314
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