Effects of Certain Metal Ions on Growth of Tetrahymena pyriformis
β Scribed by HALL, R. P.
- Book ID
- 109243822
- Publisher
- Wiley (Blackwell Publishing)
- Year
- 1954
- Tongue
- English
- Weight
- 496 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0022-3921
No coin nor oath required. For personal study only.
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## Abstract __Tetrahymena__ were grown in proteoseβpeptone medium supplemented with glucose, mannose, fructose, galactose, acetate, succinate, or pyruvate and then washed and resuspended in a nonβnutrient salt solution and the amounts of 7 acid hydrolases secreted into the medium in a one hour incu
Intracellular ribonuclease from the ciliate Tetrahymena pyriform.is GL was purified 10-fold. After preheating for 20 minutes at 100Β°C of the ribonuclease preparation 80% of its activity was lost. Preheating under the same conditions, however, in the presence of RNA, did not affect the enzyme activit
## Abstract Warming of exponentially growing __T. pyriformis__ to 34Β°C results in severe inhibition of nucleotide pool formation. The utilization of the pool for stable RNA synthesis is poorly affected at the high temperature. It thus appears that the synthesis and processing of ribosomal RNA precu