Growth-Promoting Effect of Alginate Oligosaccharides on a Unicellular Marine Microalga,Nannochloropsis oculata | Zendy

Takeshi Yokose | Zendy; Toru Nishikawa | Zendy; Yoshiko Yamamoto | Zendy; Yasuhiro Yamasaki | Zendy; Kenichi Yamaguchi | Zendy; Tatsuya Oda | Zendy

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Growth-Promoting Effect of Alginate Oligosaccharides on a Unicellular Marine Microalga,Nannochloropsis oculata

Author(s) -

Takeshi Yokose,

Toru Nishikawa,

Yoshiko Yamamoto,

Yasuhiro Yamasaki,

Kenichi Yamaguchi,

Tatsuya Oda

Publication year - 2009

Publication title -

bioscience biotechnology and biochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.509

H-Index - 116

eISSN - 1347-6947

pISSN - 0916-8451

DOI - 10.1271/bbb.80692

Subject(s) - oligosaccharide , algae , food science , biology , chemistry , botany , biochemistry

Effects of an alginate oligosaccharide mixture (AOM) on Nannochloropsis oculata, a unicellular marine microalga, were investigated. The growth of N. oculata was significantly promoted by AOM in a concentration-dependent manner. The maximum effect was attained at 20 mg/ml, at which the growth rate of the alga became nearly 5 times higher than that of control without AOM. The growth-promoting effect of AOM decreased slightly at 40 mg/ml. Furthermore, the algicidal effect of Cu(2+) was profoundly alleviated by the addition of AOM. These results suggest that AOM is useful for promoting and/or improving the growth of N. oculata.

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