Difference between revisions of "PMID:4892537"
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| − | Pyrithiamine resistance developed with a mutation to the ''thiC'' gene. | + | Pyrithiamine resistance developed with a mutation to the ''thiC'' gene. Possibly in strain PT-R3 as well. |
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Revision as of 19:30, 24 July 2012
| Citation |
Kawasaki, T and Nose, Y (1969) Thiamine regulatory mutants in Escherichia coli.J. Biochem. 65:417-25 |
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| Abstract |
No abstract in PubMed |
| Links | |
| Keywords |
Adenine; Chromosome Mapping; Chromosomes, Bacterial; Culture Media; Escherichia coli; Mutation; Phosphotransferases; Pyrimidines; Thiamine; Thiazoles; Transferases |
| edit table |
Main Points of the Paper
Please summarize the main points of the paper.
Materials and Methods Used
Please list the materials and methods used in this paper (strains, plasmids, antibodies, etc).
Phenotype Annotations
See Help:AnnotationTable for details on how to edit this table.
<protect>
| Phenotype of | Taxon Information | Genotype Information (if known) | Condition Information | OMP ID | OMP Term Name | ECO ID | ECO Term Name | Notes | Status |
|---|---|---|---|---|---|---|---|---|---|
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a mutation or genetic difference within a strain |
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0000005 |
enzyme assay data |
Pyrithiamine resistant strains have lower activity of enzymes hydroxymethylprimidine kinase and phosphohydroxymethylpyrimidine kinase. |
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a mutation or genetic difference within a strain |
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0000005 |
enzyme assay data |
Pyrithiamine resistant strains have lower activity of enzymes hydroxymethylprimidine kinase and phosphohydroxymethylpyrimidine kinase. |
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a mutation or genetic difference within a strain |
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0000005 |
enzyme assay data |
Pyrithiamine resistant strains had 15 fold higher Thiaminephosphate pyrophosphorylase activity and 2 fold higher activity of Hydroxyethylthiazole kinase. See table II for full results. |
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a mutation or genetic difference within a strain |
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0000005 |
enzyme assay data |
Pyrithiamine resistant strains had 10 fold higher Thiaminephosphate pyrophosphorylase activity and 2 fold higher activity of Hydroxyethylthiazole kinase. See table II for full results. |
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a mutation or genetic difference within a strain |
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0000005 |
enzyme assay data |
Introduction of adenine to minimal medium causes increase activity of Hydroxymethylpyrimidine kinase, Phosphohydroxymethylpyrimidine kinase & Thiaminephosphate pyrophosphorylase within the Pyrithiamine resistant mutants. See Table IV for full experimental results. |
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a mutation or genetic difference within a strain |
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|
0000005 |
enzyme assay data |
Introduction of adenine to minimal medium causes increase activity of Hydroxymethylpyrimidine kinase, Phosphohydroxymethylpyrimidine kinase, Hydroxyethylthiazole kinase & Thiaminephosphate pyrophosphorylase within the Pyrithiamine resistant mutants. See Table IV for full experimental results. |
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a mutation or genetic difference within a strain |
|
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|
0000005 |
enzyme assay data |
Pyrithiamine resistance developed with a mutation to the thiC gene. Possibly in strain PT-R3 as well. |
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|
a mutation or genetic difference within a strain |
|
|
|
0000005 |
enzyme assay data |
Pyrithiamine resistant strains contained 3 times the concentration of thiamine than the parent strain. See table I for full results. Also includes Strain PT-R3 |
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| edit table |
</protect>
Notes
- thiamine regulatory mutants have defective control mechanisms for thiamine synthesis from hydroxymethylpyrimidine and hydroxyethylthiazole
- Strain PT-R1 required a concentration of Adenine 10 times higher than RT-r3 to depress thiamine synthesis (Table V)
References
See Help:References for how to manage references in omp dev.
