Paper Report for: Teng_2009_Bioprocess.Biosyst.Eng_32_397
Reference
Title: Changes in morphology of Rhizopus chinensis in submerged fermentation and their effect on production of mycelium-bound lipase Teng Y, Xu Y, Wang D Ref: Bioprocess Biosyst Eng, 32:397, 2009 : PubMed
In order to control suitable mycelium morphology to obtain high lipase productivity by Rhizopus chinensis in submerged fermentation, the effects of fungal morphology on the lipase production by this strain both in shake flask and fermentor were investigated. Different inoculum level and shear stress were used to develop distinctive morphologies. Analyses and investigations both on micromorphology and macromorphology were performed. Study of micromorphology reveals that micromorphologies for dispersed mycelia and aggregated mycelia are different in cell shape, biosynthetic activity. Macromorphology and broth rheology study in fermentor indicate that pellet formation results in low broth viscosity. Under this condition, the oil can disperse sufficiently in broth which is very important for lipase production. These results indicate that morphology changes affected the lipase production significantly for R. chinensis and the aggregated mycelia were suggested to achieve high lipase production.
        
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Teng Y, Xu Y, Wang D (2009) Changes in morphology of Rhizopus chinensis in submerged fermentation and their effect on production of mycelium-bound lipase Bioprocess Biosyst Eng32: 397-405
Teng Y, Xu Y, Wang D (2009) Bioprocess Biosyst Eng32: 397-405