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A novel strategy to promote microalgal growth and lipid productivity by supplementation of lignin related phenolic elicitors

An environment-friendly and cost-effective approach to improving lipid productivity without sacrificing microalgal growth was established. Syringic acid (SA) and p-coumaric acid (p-CA) are two major lignin hydrolysates, widely distributed in the wastewater from downstream industries of lignin. In th...

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Main Authors: Zhu, Jiangyu, Tan, Xiaomiao, Saadiah Hafid, Halimatun, Wakisaka, Minato
格式: Article
出版: Elsevier 2023
在线阅读:http://psasir.upm.edu.my/id/eprint/106592/
https://www.sciencedirect.com/science/article/abs/pii/S0016236122035992?via%3Dihub
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spelling my.upm.eprints.1065922024-10-11T08:51:05Z http://psasir.upm.edu.my/id/eprint/106592/ A novel strategy to promote microalgal growth and lipid productivity by supplementation of lignin related phenolic elicitors Zhu, Jiangyu Tan, Xiaomiao Saadiah Hafid, Halimatun Wakisaka, Minato An environment-friendly and cost-effective approach to improving lipid productivity without sacrificing microalgal growth was established. Syringic acid (SA) and p-coumaric acid (p-CA) are two major lignin hydrolysates, widely distributed in the wastewater from downstream industries of lignin. In this study, their potential in regulating the growth and valuable metabolites biosynthesis of microalga Euglena gracilis was evaluated. The cell growth was increased by 1.63 and 1.93 times at the optimal dosage of 0.5 g·L-1 SA and 0.3 g·L-1p-CA, respectively. Cell morphology also varied under the two treatments, reflecting the changes in cellular physiological status. Moreover, increased chlorophyll a content was only observed under p-CA treatment, indicating the influences of these compounds on photosynthesis were different. Fourier-transform infrared spectroscopy analysis revealed the fluctuations in the macromolecular pools. The variation trend of carbohydrate content was different under the treatment of the p-CA and SA, demonstrating that different phenolic compounds will determine different biosynthetic pathways and the flow of carbon to metabolites in microalgal cells. However lipid biosynthesis was improved by both of the phenolic acids treatments, which would be favorable to the biofuel production since the cell biomass was not sacrificed for lipid accumulation. Elsevier 2023-02 Article PeerReviewed Zhu, Jiangyu and Tan, Xiaomiao and Saadiah Hafid, Halimatun and Wakisaka, Minato (2023) A novel strategy to promote microalgal growth and lipid productivity by supplementation of lignin related phenolic elicitors. Fuel, 334 (pt.2). art. no. 126775. pp. 1-9. ISSN 0016-2361 https://www.sciencedirect.com/science/article/abs/pii/S0016236122035992?via%3Dihub 10.1016/j.fuel.2022.126775
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
description An environment-friendly and cost-effective approach to improving lipid productivity without sacrificing microalgal growth was established. Syringic acid (SA) and p-coumaric acid (p-CA) are two major lignin hydrolysates, widely distributed in the wastewater from downstream industries of lignin. In this study, their potential in regulating the growth and valuable metabolites biosynthesis of microalga Euglena gracilis was evaluated. The cell growth was increased by 1.63 and 1.93 times at the optimal dosage of 0.5 g·L-1 SA and 0.3 g·L-1p-CA, respectively. Cell morphology also varied under the two treatments, reflecting the changes in cellular physiological status. Moreover, increased chlorophyll a content was only observed under p-CA treatment, indicating the influences of these compounds on photosynthesis were different. Fourier-transform infrared spectroscopy analysis revealed the fluctuations in the macromolecular pools. The variation trend of carbohydrate content was different under the treatment of the p-CA and SA, demonstrating that different phenolic compounds will determine different biosynthetic pathways and the flow of carbon to metabolites in microalgal cells. However lipid biosynthesis was improved by both of the phenolic acids treatments, which would be favorable to the biofuel production since the cell biomass was not sacrificed for lipid accumulation.
format Article
author Zhu, Jiangyu
Tan, Xiaomiao
Saadiah Hafid, Halimatun
Wakisaka, Minato
spellingShingle Zhu, Jiangyu
Tan, Xiaomiao
Saadiah Hafid, Halimatun
Wakisaka, Minato
A novel strategy to promote microalgal growth and lipid productivity by supplementation of lignin related phenolic elicitors
author_facet Zhu, Jiangyu
Tan, Xiaomiao
Saadiah Hafid, Halimatun
Wakisaka, Minato
author_sort Zhu, Jiangyu
title A novel strategy to promote microalgal growth and lipid productivity by supplementation of lignin related phenolic elicitors
title_short A novel strategy to promote microalgal growth and lipid productivity by supplementation of lignin related phenolic elicitors
title_full A novel strategy to promote microalgal growth and lipid productivity by supplementation of lignin related phenolic elicitors
title_fullStr A novel strategy to promote microalgal growth and lipid productivity by supplementation of lignin related phenolic elicitors
title_full_unstemmed A novel strategy to promote microalgal growth and lipid productivity by supplementation of lignin related phenolic elicitors
title_sort novel strategy to promote microalgal growth and lipid productivity by supplementation of lignin related phenolic elicitors
publisher Elsevier
publishDate 2023
url http://psasir.upm.edu.my/id/eprint/106592/
https://www.sciencedirect.com/science/article/abs/pii/S0016236122035992?via%3Dihub
_version_ 1814054607004893184
score 13.251813

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