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| Content Provider | Springer Nature Link |
|---|---|
| Author | El Naggar, Noura Moawad, Hassan Abdelwahed, Nayera A. M. |
| Copyright Year | 2016 |
| Abstract | Optimization of the fermentation conditions for extracellular production of L-asparaginase by Streptomyces brollosae NEAE-115 under solid state fermentation was investigated. The Plackett–Burman experimental design was used to screen 16 independent variables (incubation time, moisture content, inoculum size, temperature, pH, soybean meal + wheat bran, dextrose, fructose, L-asparagine, yeast extract, KNO$_{3}$, K$_{2}$HPO$_{4}$, MgSO$_{4}$.7H$_{2}$O, NaCl, FeSO$_{4}$. 7H$_{2}$O, CaCl$_{2}$) and three dummy variables. The most significant independent variables found to affect enzyme production, namely soybean + wheat bran (X$_{6}$), L-asparagine (X$_{9}$) and K$_{2}$HPO$_{4}$ (X$_{12}$), were further optimized by the central composite design. We found that L-asparaginase production by S. brollosae NEAE-115 was 47.66, 129.92 and 145.57 units per gram dry substrate (U/gds) after an initial survey using “soybean meal + wheat bran” as a substrate for L-asparaginase production (step 1), statistical optimization by Plackett–Burman design (step 2) and further optimization by the central composite design (step 3), respectively, with a fold of increase of 3.05. |
| Starting Page | 1 |
| Ending Page | 15 |
| Page Count | 15 |
| File Format | |
| ISSN | 15904261 |
| Journal | Annals of Microbiology |
| Volume Number | 67 |
| Issue Number | 1 |
| e-ISSN | 18692044 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2016-08-09 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | Subscribed |
| Subject Keyword | Streptomyces brollosae NEAE-115 L-asparaginase production Solid state fermentation Soybean meal Plackett–Burman design and central composite design Microbiology Microbial Genetics and Genomics Microbial Ecology Mycology Medical Microbiology Applied Microbiology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Applied Microbiology and Biotechnology |
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