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| Content Provider | PubMed Central |
|---|---|
| Author | Burmeister, Maritha |
| Abstract | A chromosomal lesion responsible for defective potassium ion uptake in Escherichia coli B has been mapped by use of standard interrupted-mating crosses. The mutation, kac-1, is in strain RD-2, which is deficient in K+ intake, exchanges cell K+ for extracellular isotope at a reduced rate, and has an abnormality of phosphorus metabolism associated with its potassium deficiency. This report places kac-1 at about 4 min clockwise from pro, close to gal. The locus of kac-1 is distinctly different from the potassium retention mutant in strain B-207, the only other potassium accumulation mutant mapped in E. coli so far. In this study, two other potassium accumulation mutations, kac-2 and kac-3, whose particular type of accumulation defects have not yet been determined, were mapped. These mutations are in the same region of the chromosome as kac-1. |
| Starting Page | 796 |
| File Format | |
| ISSN | 10985530 |
| e-ISSN | 10985530 |
| Journal | Journal of Bacteriology |
| Issue Number | 2 |
| Volume Number | 100 |
| Language | English |
| Publisher Date | 1969-11-01 |
| Access Restriction | Open |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Molecular Biology Microbiology |
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