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Effects of microbial elicitor on production of hypocrellin by Shiraia bambusicola
W. Du, Z. Liang, X. Zou, Y. Han, J. Liang, J. Yu, W. Chen, Y. Wang, C. Sun
Language English Country Czech Republic
Document type Journal Article, Research Support, Non-U.S. Gov't
- MeSH
- Anti-Infective Agents metabolism MeSH
- Ascomycota metabolism MeSH
- Biotechnology methods MeSH
- Quinones metabolism MeSH
- DNA, Fungal chemistry genetics MeSH
- Fermentation MeSH
- Culture Media chemistry MeSH
- DNA, Ribosomal Spacer chemistry genetics MeSH
- Molecular Sequence Data MeSH
- Perylene analogs & derivatives metabolism MeSH
- Sequence Analysis, DNA MeSH
- Trametes classification genetics growth & development isolation & purification MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
Some endophyte isolates were isolated in a bamboo pole sample parasitized the fungus Shiraia bambusicola from Zhejiang Province. After screening through hypocrellin bacteriostatic effect and fermentation test, we got the isolate TX4 of bacterial elicitor and GZUIFR-TT1 of fungal elicitor which had certain effect to promote S. bambusicola to produce hypocrellin. The Plackett-Burman design was introduced to evaluate the effects of nine factors based on single-factor test. Yeast extract, glucose, and isolate GZUIFR-TT1 elicitor were found to be the critical activity factors for increasing the total hypocrellin production. So we identified the isolate GZUIFR-TT1 as Trametes sp. Through response surface methodology, we obtained the optimum production conditions as follows: yeast extract, 2.99 g/L; glucose, 32.45 g/L; and Trametes sp. elicitor, 81.40 μg/mL. Under the above conditions, the experimental value of hypocrellin production was 102.60 mg/L, compared with the control it increased about 7.90 times.
Institute of Biochemistry and Nutrition Guizhou University Guiyang China
Institute of Fungus Resources Guizhou University Guiyang China
References provided by Crossref.org
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- $a Some endophyte isolates were isolated in a bamboo pole sample parasitized the fungus Shiraia bambusicola from Zhejiang Province. After screening through hypocrellin bacteriostatic effect and fermentation test, we got the isolate TX4 of bacterial elicitor and GZUIFR-TT1 of fungal elicitor which had certain effect to promote S. bambusicola to produce hypocrellin. The Plackett-Burman design was introduced to evaluate the effects of nine factors based on single-factor test. Yeast extract, glucose, and isolate GZUIFR-TT1 elicitor were found to be the critical activity factors for increasing the total hypocrellin production. So we identified the isolate GZUIFR-TT1 as Trametes sp. Through response surface methodology, we obtained the optimum production conditions as follows: yeast extract, 2.99 g/L; glucose, 32.45 g/L; and Trametes sp. elicitor, 81.40 μg/mL. Under the above conditions, the experimental value of hypocrellin production was 102.60 mg/L, compared with the control it increased about 7.90 times.
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