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Metabolic Discrimination of Sucrose Starvation from Arabidosis Cell Suspension by $^1H;NMR$ Based Metabolomics
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  • Metabolic Discrimination of Sucrose Starvation from Arabidosis Cell Suspension by $^1H;NMR$ Based Metabolomics
  • Metabolic Discrimination of Sucrose Starvation from Arabidosis Cell Suspension by $^1H;NMR$ Based Metabolomics
저자명
Kim. Suk-Weon,Koo. Bon-Cho,Kim. Jong-Hyun,Liu. Jang-Ryol
간행물명
Biotechnology and bioprocess engineering
권/호정보
2007년|12권 6호|pp.653-661 (9 pages)
발행정보
한국생물공학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Whole cell extracts of Arabidopsis cell cultures maintained on various sucrose concentrations (0, 3, and 6%) were analyzed by $^1H;NMR$ spectroscopy to determine the comprehensive metabolic change in these cultures during sucrose starvation The amount of sucrose, glucose, and fructose in the cells decreased to almost nothing after 12h of culture in medium without sucrose. In contrast, the total free amino acid content of the cells increased as the culture proceeded. Among the free amino acids, phenylalanine and malic acid increased the most, followed by asparagine and alanine, whereas glutamic acid did not change significantly. These results are in agreement with previous studies using HPLC. $^1H;NMR$ spectroscopy enabled measurement of changes in the sugar and free amino acid content of whole cell extracts without fractionation and complicated sample preparation. These results indicate that comprehensive metabolic changes in the cells can be determined by a simple, rapid method using whole cell extracts and $^1H;NMR$ spectroscopy.