Fermentation and microencapsulation of the nematophagous fungus Hirsutella rhossiliensis in a novel type of hollow beads

Patel A, Jakobs-Schönwandt D, Rose T, Vorlop K-D (2010)
Applied Microbiology and Biotechnology 89(6): 1751-1760.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
In this work, fermentation and formulation aspects of the nematophagous fungus Hirsutella rhossiliensis BBA were investigated. When incubated in 2% (w/w) glucose and 0.5% (w/w) yeast extract medium in a 1-L Erlenmeyer flask without baffles, heavy pellet formation was observed. Only 40% of the mycelium had a size less than 500 μm. When a flask with three baffles was used, the portion of mycelium <500 μm rose to 95%. In the next step, the influence of aeration rate and stirrer speed on production of finely dispersed mycelium in a stirred tank reactor was investigated. The best fermentation results were obtained at 0.4 vvm and 400 rpm stirrer speed with 90% mycelium <500 μm and 5 g/L biomass. Then, mycelium was microencapsulated in hollow beads based on sulfoethylcellulose (SEC). Experiments on the capsule nutrient reservoir showed that 15% (w/w) corn gluten and 0.5% (w/w) yeast extract could be replaced with 3% (w/w) autoclaved baker's yeast which was never used as capsule additive before. Radial growth of mycelium out of dried hollow beads containing 1% (w/w) biomass and 3% (w/w) baker's yeast was faster than for alginate beads containing equivalent amounts of biomass and yeast indicating a higher bio-control potential.
Erscheinungsjahr
Zeitschriftentitel
Applied Microbiology and Biotechnology
Band
89
Ausgabe
6
Seite(n)
1751-1760
ISSN
eISSN
PUB-ID

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Patel A, Jakobs-Schönwandt D, Rose T, Vorlop K-D. Fermentation and microencapsulation of the nematophagous fungus Hirsutella rhossiliensis in a novel type of hollow beads. Applied Microbiology and Biotechnology. 2010;89(6):1751-1760.
Patel, A., Jakobs-Schönwandt, D., Rose, T., & Vorlop, K. - D. (2010). Fermentation and microencapsulation of the nematophagous fungus Hirsutella rhossiliensis in a novel type of hollow beads. Applied Microbiology and Biotechnology, 89(6), 1751-1760. doi:10.1007/s00253-010-3046-9
Patel, A., Jakobs-Schönwandt, D., Rose, T., and Vorlop, K. - D. (2010). Fermentation and microencapsulation of the nematophagous fungus Hirsutella rhossiliensis in a novel type of hollow beads. Applied Microbiology and Biotechnology 89, 1751-1760.
Patel, A., et al., 2010. Fermentation and microencapsulation of the nematophagous fungus Hirsutella rhossiliensis in a novel type of hollow beads. Applied Microbiology and Biotechnology, 89(6), p 1751-1760.
A. Patel, et al., “Fermentation and microencapsulation of the nematophagous fungus Hirsutella rhossiliensis in a novel type of hollow beads”, Applied Microbiology and Biotechnology, vol. 89, 2010, pp. 1751-1760.
Patel, A., Jakobs-Schönwandt, D., Rose, T., Vorlop, K.-D.: Fermentation and microencapsulation of the nematophagous fungus Hirsutella rhossiliensis in a novel type of hollow beads. Applied Microbiology and Biotechnology. 89, 1751-1760 (2010).
Patel, Anant, Jakobs-Schönwandt, Désirée, Rose, Thomas, and Vorlop, Klaus-Dieter. “Fermentation and microencapsulation of the nematophagous fungus Hirsutella rhossiliensis in a novel type of hollow beads”. Applied Microbiology and Biotechnology 89.6 (2010): 1751-1760.
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2018-10-31T15:44:47Z