نتایج جستجو برای: two dimensional gel electrophoresis
تعداد نتایج: 2749861 فیلتر نتایج به سال:
Sequential immunoprecipitation, two-dimensional gel electrophoresis and peptide mapping analyses of B10A(3R), 35S-methionine-labeled, I-EC subregion products were performed. Evidence is presented here for the presence of two structurally homologous, but nonidentical, gene products of the I-EC subregion. These two Ia molecules are independently immunoprecipitable, identical in molecular size and...
An important issue in the automation of two-dimensional gel electrophoresis image analysis is the detection and quantification of protein spots. A spot segmentation algorithm must detect, define the extent of, and measure the integrated density of spots under a wide variety of actual gel image conditions. Besides these functions, the algorithm must be memory efficient to be able to process very...
Sample preparation for Two-dimensional gel electrophoresis (2DE) is tedious and not sufficient to provide a comparative profile of secreted proteins for various strains of M. tuberculosis. High lipid content in mycobacteria limits the use of common methods as it can hinder the 2DE run. This study highlights the significance of SDS-TCA procedure over common used methods for the preparation of sa...
In preparing intracellular microbial samples for one- or two-dimensional electrophoresis, trichloroacetic acid (TCA) precipitation is frequently used to remove interfering compounds. Solubilization of TCA precipitate typically requires the addition of a number of chaotropes or detergents, in a multistep process, that requires hours to carry out. In this study, a simple, rapid, one-step method t...
2D-DIGE experiments are a high-throughput technique for measuring protein abundances based on gel separation. Traditionally three samples are multiplexed per gel: two biological test samples and a third internal standard sample consisting of a pool of all test samples. We demonstrate that the use of an internal standard helps to account for technical variation caused by spatial intensity biases...
Fifty-seven strains of various Rhizobium species were analyzed by two-dimensional gel electrophoresis. Since the protein pattern on such gels is a reflection of the genetic background of the tested strains, similarities in pattern allowed us to estimate the relatedness between these strains. All group II rhizobia (slow growing) were closely related and were very distinct from group I rhizobia (...
The global analysis of proteins is now feasible due to improvements in techniques such as two-dimensional gel electrophoresis (2-DE), mass spectrometry, yeast two-hybrid systems and the development of bioinformatics applications. The experiments form the basis of proteomics, and present significant challenges in data analysis, storage and querying. We argue that a standard format for proteome d...
background hepatocellular carcinoma (hcc), a major fatal cancer worldwide, is induced by different etiological factors in the liver. objectives to gain insight into serum protein profiling of hcc with different etiologies. patients and methods we subjected the sera of hbv-hcc, hcv-hcc, non-b non-c-hcc patients, and healthy volunteers to two-dimensional gel electrophoresis (2-de) and liquid chro...
conclusions these results show the usefulness of proteome analysis in successful identification of the common proteins between n. lactamica strains and nmb. this proteomics analysis is the starting point in the path of knowledge development about whole proteome profiles of n. lactamica strains. objectives the main aims of this study were to determine whole proteome profiles of n. lactamica stra...
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