Analyses of mouse and Drosophila proteins by two-dimensional gel electrophoresis
- PMID: 118321
- DOI: 10.1007/BF00333092
Analyses of mouse and Drosophila proteins by two-dimensional gel electrophoresis
Abstract
Two-dimensional gel electrophoresis was employed for the protein analysis of several different mouse tissues and Drosophila. The number of protein spots detected with conventional protein dye staining techniques ranged from 110 in erythrocyte lysate to 320 in liver homogenate. Strain variation of protein spots on the gels was examined in five different tissues from two strains of inbred mice (DBA/2J and C57BL/6J) and their F1 hybrids. The protein spots which exhibited strain variation were shown to be autosomally inherited and to follow Mendelian genetics. From these analyses, it was shown that the frequencies of protein variations between these two strains of mice vary from 1 to 5% with the tissue examined. During the course of this study, the protein spots corresponding to nine muscle proteins and three testis enzymes from the mouse as well as two Drosophila enzymes were assigned on two-dimensional gels of their respective homogenates. Radioisotope labelling of Drosophila and autoradiography of the two-dimensional gels were also performed to improve the sensitivity and resolution of the technique. The potential application of two-dimensional gel electrophoresis for mutant screening as well as biochemical genetic studies is discussed.
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