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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Tasar, Ozden Canli Erdal, Serkan Taskin, Mesut |
| Description | Author Affiliation: Tasar OC ( Central Research Laboratory Application and Research Centre, Adiyaman University, Adiyaman, Turkey. Electronic address: tasarozden@adiyaman.edu.tr.); Erdal S ( Department of Biology, Science Faculty, Ataturk University, Erzurum, Turkey.); Taskin M ( Department of Molecular Biology and Genetics, Science Faculty, Ataturk University, Erzurum, Turkey.) |
| Abstract | A new chitosan producing fungus was locally isolated from soil samples collected around Erzurum, Turkey and identified as Rhizopus oryzae PAS 17 (GenBank accession number KU318422.1). Cultivation in low cost non-sterile conditions was achieved by exploiting its ability to grow at low temperature and pH, thus, undesired microbial contamination could be eliminated when appropriate culture conditions (incubation temperature as 15°C and initial pH of the medium as 4.5) were selected. Medium composition and culture conditions were optimized using Taguchi orthogonal array (OA) design of experiment (DOE). An OA layout of L16 (4(5)) was constructed with five most influensive factors at four levels on chitosan production like, carbon source (molasses), metal ion (Mg(2+)), inoculum amount, agitation speed and incubation time. The optimal combinations of factors (molasses, 70ml/l; MgSO4·7H2O, 0.5g/l; inoculum, 6.7×10(6) spores/disc; agitation speed, 150rpm and incubation time, 8days) obtained from the proposed DOE methodology was further validated by analysis of variance (ANOVA) test and the results revealed the increment of chitosan and biomass yields of 14.45 and 8.58 folds from its unoptimized condition, respectively. |
| File Format | HTM / HTML |
| ISSN | 01418130 |
| Journal | International Journal of Biological Macromolecules |
| Volume Number | 89 |
| e-ISSN | 18790003 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-08-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Structural Biology Molecular Biology Biochemistry |
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