Effects of alginate oligosaccharide mixtures on the growth and fatty acid composition of the green alga Chlamydomonas reinhardtii.

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概要

• 論文の詳細を見る

• Alginate is a natural acidic linear polysaccharide that is produced by brown seaweeds. It is currently used in a broad range of commercial enterprises, such as the food and medical products industries. Recent evidence has demonstrated that alginate oligosaccharides may function as growth promoting agents for certain plant cells, including those of some green algae. Chlamydomonas reinhardtii is a green alga that is used as a model organism in fundamental molecular biology studies; it is also a producer of biohydrogen. In the present study, we examined effects of two types of alginate oligosaccharide mixtures (AOMs), which were prepared by either enzymatic degradation (ED) or acid hydrolysis (AH), on the growth of C. reinhardtii. Growth was significantly promoted by AOM (ED) in a concentration-dependent manner. The maximum effect was observed on day 4 of treatment. The fatty acid composition of C. reinhardtii was also influenced by AOM (ED); the levels of C16:0, C18:2 cis and C18:3 n-3 increased in treated cells. AOM (AH) and the other saccharides that we tested did not affect the growth of C. reinhardtii. The effects that we identified could promote efficient biomass production by reducing culture times and by changing cellular fatty acid levels.

著者

• Oda Tatsuya

  Division Of Biochemistry Faculty Of Fisheries Nagasaki University

• Oda Tatsuya

  Div. Of Biochemistry Fac. Of Fisheries Nagasaki Univ.

• Oda T

  Division Of Biochemistry Faculty Of Fisheries Nagasaki University

• YAMAGUCHI Kenichi

  Division of Biochemistry, Faculty of Fisheries, Nagasaki University

• Yamaguchi Kenichi

  Division Of Biochemistry Faculty Of Fisheries Nagasaki University

• Tatsuya Oda

  Division Of Biochemistry Faculty Of Fisheries Nagasaki University

• Kim D

  Jeju Center Korea Basic Science Institute (kbsi)

• JIANG Zedong

  Division of Biochemistry, Faculty of Fisheries, Nagasaki University

• Jiang Zedong

  Division Of Biochemistry Faculty Of Fisheries Nagasaki University

• Okamoto Tarou

  Division Of Biochemistry Faculty Of Fisheries Nagasaki University

• Nishikawa Toru

  Nagasaki Prefectural Institute for Environment Research and Public Health

• Yokose Takeshi

  Nagasaki Prefectural Institute for Environment Research and Public Health

• Kim Daekyung

  Division Of Biochemistry Faculty Of Fisheries Nagasaki University

• Yamamoto Yoshiko

  Division Of Biochemistry Faculty Of Fisheries Nagasaki University

• Kim Daekyung

  Jeju Center Korea Basic Science Institute (kbsi)

• Yamasaki Yasuhiro

  Division Of Biochemistry Faculty Of Fisheries Nagasaki University

• Oda T

  Faculty Of Fisheries Nagasaki University

• Yamaguchi Kenichi

  New Industry Creation Hatchery Center Tohoku University

• Yamasaki Yasuhiro

  Laboratory Of Environmental Biology Department Of Applied Aquabiology National Fisheries University

• YAMAGUCHI Kenichi

  Division of Allergy and Rheumatology, St. Luke's International Hospital

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