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한국식물학회 / v.9, no.1_2, 1966년, pp.1-6 
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인산결핍배지에 있어서의 Chlorella 세포내의 인산화합물의 전환
( Turnover of Phosphate Compounds in Chlorella cells in a P-free medium ) |
| 이영녹; 고려대학교 이공대학 생물학과;
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| Using the Chlorella cells which had been uniformly labeled with $^{32}P$, the distribution of phosphorus in various fractions of cell material was investigated. Uniformly $^{32}P$-labeled Chlorella cells were further grown in a P-free medium, and some protions of the cells were taken out at intervals during the culture, and subjected to analyze the contents of $^{32}P$ in various fractins of the cell constituents. 2. Analysis of the $^{32}P$-labeled Chlorella cells showed that the highest in P-content was the fraction of RNA followed by those of lipid, RNA-polyphosphate complex, acid-insoluble polyphosphate, acid-soluble polyphosphate, DNA and protein. 3. During the culture of $^{32}P$-labeled Chlorella cells in a P-free medium, amounts of phosphate in DNA, protein and lipid fractions increased, while the P-contents in the fraction of RNA-polyphosphate complex decreased as well as those of acid-insoluble polyphosphate and acid-soluble polyphosphate fractions. 4. It was inferred that phosphorus used in the syntheses of DNA and protein was taken from polyphosphates of the cells, and RNA-polyphosphate complex would play an important role as a phosphate pool. |
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Journal of Plant Biology / v.9, no.1_2, 1966년, pp.1-6
한국식물학회
ISSN : 1226-9239
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO196611920110892)
언어 : 한국어 |
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| 논문 제공 : KISTI 한국과학기술정보연구원 |
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