Development of a large scale process for the conversion of polysialogangliosides to monosialotetrahexosylganglioside with a novel strain of Brevibacterium casei producing sialidase

@article{Peng2007DevelopmentOA,
  title={Development of a large scale process for the conversion of polysialogangliosides to monosialotetrahexosylganglioside with a novel strain of Brevibacterium casei producing sialidase},
  author={Yan-Feng Peng and Xuedong Wang and Dong-zhi Wei},
  journal={Biotechnology Letters},
  year={2007},
  volume={29},
  pages={885-889}
}
A bioconversion process of producing GM1 (monosialotetrahexosylganglioside) on an industrial scale was developed with a novel sialidase-producing strain Brevibacterium casei. The sialidase hydrolyzed polysialogangliosides to produce GM1 but did not act on GM1. When Brevibacterium casei was cultured in a synthetic medium containing crude pig brain gangliosides (10% w/v) at 30°C for 24 h in a 50 l fermenter, most of the polysialogangliosides were converted to GM1. The content of GM1 was increased… CONTINUE READING

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