Key Laboratory of Biometallurgy of Ministry of Education of China, School of Minerals Processingand Bioengineering, Central South University, Changsha 410083 在期刊界中查找 在百度中查找 在本站中查找
Key Laboratory of Biometallurgy of Ministry of Education of China, School of Minerals Processingand Bioengineering, Central South University, Changsha 410083 在期刊界中查找 在百度中查找 在本站中查找
Key Laboratory of Biometallurgy of Ministry of Education of China, School of Minerals Processingand Bioengineering, Central South University, Changsha 410083 在期刊界中查找 在百度中查找 在本站中查找
Key Laboratory of Biometallurgy of Ministry of Education of China, School of Minerals Processingand Bioengineering, Central South University, Changsha 410083 在期刊界中查找 在百度中查找 在本站中查找
Key Laboratory of Biometallurgy of Ministry of Education of China, School of Minerals Processingand Bioengineering, Central South University, Changsha 410083 在期刊界中查找 在百度中查找 在本站中查找
Key Laboratory of Biometallurgy of Ministry of Education of China, School of Minerals Processingand Bioengineering, Central South University, Changsha 410083 在期刊界中查找 在百度中查找 在本站中查找
The strain Acidiphilium cryptum DX1-1 producing PHB was irradiated respectively by UV and Co60 to raise PHB production. The results indicated that the effect of UV better than using Co60. One strain of the UV mutagenized called UV60-3 has the highest PHB production yield, showing final PHB concentration of 28.56 g/L, 1.45 times higher than that of original strain. FT-IR spectroscopy analysis shows that the polymers obtained from the strain DX1-1 have the same IR spectra of standard PHB. Further research about the best appropriate C/N ratio of the mutant was done. The optimum ratio of C/N was about 3.76, the final PHB concentration reaches to 30.57 g/L.
