Sulfated exopolysaccharide production by the halophilic cyanobacterium Aphanocapsa halophytia

Hiroaki Sudo, J. Grant Burgess, Hiroshi Takemasa, Noriyuki Nakamura, Tadashi Matsunaga

Research output: Contribution to journalArticle

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Abstract

Aphanocapsa halophytia MN-11 isolated from a hypersaline environment was found to produce large quantities of exopolysaccharide. We describe here production of exopolysaccharide and the characterization of its properties. The effects of medium composition, particularly NaCl concentration, were tested. Maximum exopolysaccharide production was obtained with nitrogen and phosphorus concentrations in the medium exceeding 100 and 40 mg · L-1 respectively. In addition, when 30 g · L-1 NaCl was added to the medium, exopolysaccharide could be recovered from the medium supernatant. Exopolysaccharide from this strain was made up of at least six mono-oses and did not contain uronic derivatives or osamines. Proteins represented about 10% of total weight and, interestingly, 12% (wt/wt) sulfated residues, which is unusual for photosynthetic prokaryotes.

Original languageEnglish
Pages (from-to)219-222
Number of pages4
JournalCurrent Microbiology
Volume30
Issue number4
DOIs
Publication statusPublished - 1995 Apr
Externally publishedYes

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Cyanobacteria
Phosphorus
Nitrogen
Weights and Measures
Proteins

ASJC Scopus subject areas

  • Microbiology

Cite this

Sudo, H., Burgess, J. G., Takemasa, H., Nakamura, N., & Matsunaga, T. (1995). Sulfated exopolysaccharide production by the halophilic cyanobacterium Aphanocapsa halophytia. Current Microbiology, 30(4), 219-222. https://doi.org/10.1007/BF00293636

Sulfated exopolysaccharide production by the halophilic cyanobacterium Aphanocapsa halophytia. / Sudo, Hiroaki; Burgess, J. Grant; Takemasa, Hiroshi; Nakamura, Noriyuki; Matsunaga, Tadashi.

In: Current Microbiology, Vol. 30, No. 4, 04.1995, p. 219-222.

Research output: Contribution to journalArticle

Sudo, H, Burgess, JG, Takemasa, H, Nakamura, N & Matsunaga, T 1995, 'Sulfated exopolysaccharide production by the halophilic cyanobacterium Aphanocapsa halophytia', Current Microbiology, vol. 30, no. 4, pp. 219-222. https://doi.org/10.1007/BF00293636
Sudo, Hiroaki ; Burgess, J. Grant ; Takemasa, Hiroshi ; Nakamura, Noriyuki ; Matsunaga, Tadashi. / Sulfated exopolysaccharide production by the halophilic cyanobacterium Aphanocapsa halophytia. In: Current Microbiology. 1995 ; Vol. 30, No. 4. pp. 219-222.
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