文献类型： 外文期刊
作者： Li, Yongfu 1 ; Zhang, Litao 3 ; Wang, Lu 4 ; Cui, Hongwu 5 ; Ma, Dongdong 6 ;
作者机构： 1.Hohai Univ, Minist Nat Resources, Key Lab Marine Hazards Forecasting, Jiangsu Prov Engn Res Ctr Marine Bioresources Sus, 1 Xikang Rd, Nanjing 210098, Peoples R China
2.Hohai Univ, Coll Oceanog, Nanjing 210098, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Ctr Ocean Mega Sci, CAS Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
4.Pilot Natl Lab Marine Sci & Technol Qingdao, Qingdao 266237, Peoples R China
5.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China
6.Ocean Univ China, Coll Environm Sci & Engn, Qingdao 266100, Peoples R China
关键词： Alginate-derived oligosaccharides; Microalgae; Growth enhancement; Pigment content; Photosynthesis
期刊名称：JOURNAL OF APPLIED PHYCOLOGY （ 影响因子：3.404； 五年影响因子：3.834 ）
ISSN： 0921-8971
年卷期： 2022 年 34 卷 6 期
页码：
收录情况： SCI
摘要： This study evaluated the effects of different doses of alginate-derived oligosaccharides (ADOs; 5 to 100 mg L-1) on the growth of nine marine microalgae in batch culture. The growth-promoting effects of ADOs on Phaeodactylum tricornutum and Chlorella sp. were the most obvious. Particularly, the specific growth rate of P. tricornutum increased from 0.45 day(-1) (without ADOs added) to 0.88 day(-1) (100 mg L-1 ADOs added). The specific growth rate of Chlorella sp. increased from 0.25 to 0.75 day(-1). ADO treatment did not significantly change the photosynthetic electron transport activity of Chlorella sp. but increased that of P. tricornutum. Therefore, ADOs can be used as an organic carbon source by Chlorella sp. through mixotrophic assimilation and as a photosynthetic regulator to promote the growth of P. tricornutum. Our study thus provides a novel strategy for promoting the growth of marine microalgae.
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