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| Content Provider | PubMed Central |
|---|---|
| Author | Maheswaran, S. K. Lindorfer, Robert K. |
| Abstract | Sheep erythrocyte ghosts released water-soluble organic phosphorus when treated with purified β-hemolysin. Phospholipid analysis demonstrated that sphingomyelin accounted for 53% of the phospholipids present in sheep erythrocytes. Purified β-hemolysin showed phospholipase C activity when purified ox brain or sheep erythrocyte sphingomyelin was used as substrate. Such studies have also revealed that the disappearance of sphingomyelin from the reaction mixture was accompanied by a comparable increase in the concentration of phosphoryl choline. Thin-layer chromatography of phospholipids, extracted from sheep erythrocytes which had been exposed to β-hemolysin, demonstrated that sphingomyelin was rapidly degraded. Activators of β-hemolysin, such as Mg++, enhanced the release of organic phosphorus from erythrocyte ghosts and from sphingomyelin. Inhibitors of β-hemolysin, such as ethylenediaminetetraacetic acid, p-chloromercuribenzoate, and iodoacetamide, also inhibited the release of organic phosphorus from erythrocyte ghosts and from sphingomyelin. These studies strongly suggested that β-hemolysin enzymatically degraded the sphingomyelin of the erythrocyte membrane. Such degradation probably resulted in the eventual lysis of the erythrocyte. |
| Starting Page | 1313 |
| File Format | |
| ISSN | 10985530 |
| e-ISSN | 10985530 |
| Journal | Journal of Bacteriology |
| Issue Number | 5 |
| Volume Number | 94 |
| Language | English |
| Publisher Date | 1967-11-01 |
| Access Restriction | Open |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Molecular Biology Microbiology |
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