Growth properties of carrot hairy root cells in various bioreactors were investigated. A turbine-blade reactor and an immobilized rotating drum reactor were found to be advantageous for the hairy root culture because of a high oxygen transfer coefficient (kLa). After 30 days of culture, 10 g/1 of dr
Biosynthesis of SOD by carrot hairy roots
β Scribed by Ji Hyeon Kim; Yong Woo Lee; Young Je Yoo
- Publisher
- Springer Netherlands
- Year
- 1994
- Tongue
- English
- Weight
- 327 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0141-5492
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β¦ Synopsis
Superoxide dismutase(SOD) was produced by carrot hairy roots.
Mter increasing in the early exponential growth phase, SOD biosynthesis decreased as the growth rate of hairy roots declined. High sucrose concentration stimulated the SOD biosynthesis, while inhibiting the growth of hairy roots. Potential inducers were tested for the enhanced production of SOD. The addition of 0.3 mM CuSO4 to the broth showed about 6 fold increase in SOD biosynthesis compared to the results obtained with basic MS medium. Since CuSO4 in the broth inhibited the growth of hairy roots, the addition of CuSO4 to the broth at the late exponential growth phase led to a 12 times higher in~acellular level of SOD compared to that in basic MS medium.
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