Chitooligosaccharides and Thermostable Chitinase Against Vulvovaginal Candidiasis and Saprophyte Fungi : LC Mass Studies of Shrimp Shell Fermentation by Bacillus altitudinis
Some patients with candidiasis seek alternatives drug to treat vaginal yeast infection like herbal preparations and probiotics. However, the effectiveness of such treatments has not received much study. In this research, the unique chitinotrophic Bacillus was isolated on shrimp shell from salt lakes and identified as Bacillus altitudinis by 16SRNA sequencing. This strain produced a novel chitin-oligosaccharide material and thermostable chitinase (5.1 units/ml) during 4 days incubation on shrimp shell medium; nevertheless, its growth on nutrient agar was negative. The zymogram showed less than 50 kD protein responsible for chitinase activities. The LC/MS detection of concentrate fermented products showed the production of oligosaccharide during chitin fermentation. As results of shrimp shell degradation, 65.6 mg/l protein, 73.4 mg/l N-acetyl glucose amine, and oligosaccharide were produced. Synergism activities of chitooligosaccharide and chitinase from this strain against fungi and pathogen candida (staining with methylene blue showed that almost 50% of 106 cells were died during 6 h) are promising for new anti-fungal drug with no side effect.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:77 |
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| Enthalten in: |
Current microbiology - 77(2020), 1 vom: 21. Jan., Seite 40-48 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Abassi, Soheila [VerfasserIn] |
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| Links: |
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| Themen: |
Antifungal Agents |
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| Anmerkungen: |
Date Completed 08.06.2020 Date Revised 08.06.2020 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s00284-019-01779-5 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM302641084 |
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| 245 | 1 | 0 | |a Chitooligosaccharides and Thermostable Chitinase Against Vulvovaginal Candidiasis and Saprophyte Fungi |b LC Mass Studies of Shrimp Shell Fermentation by Bacillus altitudinis |
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| 520 | |a Some patients with candidiasis seek alternatives drug to treat vaginal yeast infection like herbal preparations and probiotics. However, the effectiveness of such treatments has not received much study. In this research, the unique chitinotrophic Bacillus was isolated on shrimp shell from salt lakes and identified as Bacillus altitudinis by 16SRNA sequencing. This strain produced a novel chitin-oligosaccharide material and thermostable chitinase (5.1 units/ml) during 4 days incubation on shrimp shell medium; nevertheless, its growth on nutrient agar was negative. The zymogram showed less than 50 kD protein responsible for chitinase activities. The LC/MS detection of concentrate fermented products showed the production of oligosaccharide during chitin fermentation. As results of shrimp shell degradation, 65.6 mg/l protein, 73.4 mg/l N-acetyl glucose amine, and oligosaccharide were produced. Synergism activities of chitooligosaccharide and chitinase from this strain against fungi and pathogen candida (staining with methylene blue showed that almost 50% of 106 cells were died during 6 h) are promising for new anti-fungal drug with no side effect | ||
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