Exploring biostimulation of plant hormones and nitrate supplement to effectively enhance biomass growth and lutein production with thermo-tolerant Desmodesmus sp. F51

被引：11

作者：

Ahmed, Nur Rashid ^{[1
]}

Manirafasha, Emmanuel ^{[1
,2
]}

Pan, Xueshan ^{[1
]}

Chen, Bor-Yann ^{[3
]}

Lu, Yinghua ^{[1
]}

Jing, Keju ^{[1
]}

机构：

[1] Xiamen Univ, Dept Chem & Biochem Engn, Key Lab Synthet Biotechnol Xiamen City, Coll Chem & Chem Engn, Xiamen 361005, Fujian, Peoples R China

[2] Univ Rwanda, Coll Educ, Kigali, Rwanda

[3] Natl Ilan Univ, Dept Chem & Mat Engn, Yilan 26047, Taiwan

来源：

BIORESOURCE TECHNOLOGY | 2019年 / 291卷

基金：

中国国家自然科学基金;

关键词：

Desmodesmus sp. F51; Lutein; Succinic acid; Salicylic acid; Nitrate fed-batch; SALICYLIC-ACID; CAROTENOID ACCUMULATION; CO2; FIXATION; CELL-GROWTH; MICROALGAE; CULTIVATION; STRATEGIES; EFFICIENCY; STRESS; BATCH;

D O I：

10.1016/j.biortech.2019.121883

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

In this study, the interactive effect of plant hormone-salicylic acid and succinic acid on biomass growth, lutein content, and productivity of Desmodesmus sp. F51 were investigated. The results demonstrated that the synergistic action of salicylic acid and succinic acid could effectively enhance the assimilation of nitrate and significantly improve lutein production. The maximal lutein content 7.01 mg/g and productivity 5.11 mg/L/d could be obtained with a supplement of 100 mu M salicylic acid and 2.5 mM succinic acid in batch culture. Furthermore, operation strategy of nitrate fed-batch coupled with supplementation for succinic acid and salicylic acid resulted in further enhancement of lutein content and productivity by 7.50 mg/g and 5.78 mg/L/d, respectively. The performance is better than most of the previously reported values.

引用

页数：7

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