Characterization of the Drosophila melanogaster ribosomal proteome

被引:18
作者
Alonso, Jana [1 ]
Santaren, Juan F. [1 ]
机构
[1] Univ Autonoma Madrid, CSIC, Ctr Biol Mol Severo Ochoa, E-28049 Madrid, Spain
关键词
Drosophila; ribosome; proteomics; 2D gels; MALDI-TOF;
D O I
10.1021/pr0601483
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
We have combined high-resolution two-dimensional (2-D) gel electrophoresis with mass spectrometry to identifying proteins represented in a 2-D gel database of Drosophila melanogaster ribosomes. First, we purified ribosomes from third instar Drosophila larvae and constructed a high-resolution 2-D gel database containing 58 Coomassie blue stained polypeptides. Next, we carried out preparative 2-D PAGE to isolate some of the polypeptides and characterize them by MALDI-TOF. Using this strategy we identified 52 ribosomal spots in the database, and in each case confirmed their identity by MALDI-TOF/TOF. The database can be used to analyze Minute mutants of Drosophila.
引用
收藏
页码:2025 / 2032
页数:8
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