Sulfated extracellular polysaccharide production by the halophilic cyanobacterium Aphanocapsa halophytia immobilized on light-diffusing optical fibers

Tadashi Matsunaga*, H. Sudo, H. Takemasa, Y. Wachi, N. Nakamura

*この研究の対応する著者

研究成果: Article査読

27 被引用数 (Scopus)

抄録

The cyanobacterium, Aphanocapsa halophytia MN-11, was immobilized in calcium alginate gel and coated on light-diffusing optical fibers (LDOF) for sulfated extracellular polysaccharide production. Results indicated that sulfated extracellular polysaccharide production depends on the number of immobilized cells and the light intensity. In addition, the production rate reached 116.0 mg (mg dry cells)-1 day-1 when the cells that were immobilized on LDOF were incubated under a light intensity of 1380 cd sr m-2 at a cell concentration of 1.0 x 108 cells/cm3 gel. Cells immobilized on LDOF produced about ten times more sulfated extracellular polysaccharide than those immobilized in calcium alginate beads only (11.7 mg(mg dry cells)-1 day-1).

本文言語English
ページ(範囲)24-27
ページ数4
ジャーナルApplied Microbiology and Biotechnology
45
1-2
DOI
出版ステータスPublished - 1996
外部発表はい

ASJC Scopus subject areas

  • バイオテクノロジー
  • バイオエンジニアリング
  • 微生物学

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