Artificial light source selection in seaweed production: growth of seaweed and biosynthesis of photosynthetic pigments and soluble protein

Artificial light source selection in seaweed production: growth of seaweed and biosynthesis of photosynthetic pigments and soluble protein

Seaweed growth is often limited by light. Artificial light supply has been well studied in terrestrial agriculture, however, much less is known about its effect in seaweed aquaculture. In this study, the effects of four artificial light sources (white, red, green, and blue LEDs light) on a brown alg...

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Main Authors: Shitao Huang, Ke Li, Yaoru Pan, Yan Yu, Thomas Wernberg, Thibaut de Bettignies, Jiaping Wu, Chaosheng Zhou, Zhixing Huang, Xi Xiao
Format: Article
Language:English
Published: PeerJ Inc. 2021-05-01
Series:PeerJ
Subjects:
Light-emitting diodes(leds)
Pigment
Soluble protein
Light sources
Seaweed
Online Access:https://peerj.com/articles/11351.pdf
id doaj-87922967bba84255acdb7bbc48ae30b9
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spelling doaj-87922967bba84255acdb7bbc48ae30b92021-05-13T15:05:12ZengPeerJ Inc.PeerJ2167-83592021-05-019e1135110.7717/peerj.11351Artificial light source selection in seaweed production: growth of seaweed and biosynthesis of photosynthetic pigments and soluble proteinShitao Huang0Ke Li1Yaoru Pan2Yan Yu3Thomas Wernberg4Thibaut de Bettignies5Jiaping Wu6Chaosheng Zhou7Zhixing Huang8Xi Xiao9Ocean College, Zhejiang University, Zhoushan, Zhejiang, ChinaOcean College, Zhejiang University, Zhoushan, Zhejiang, ChinaOcean College, Zhejiang University, Zhoushan, Zhejiang, ChinaOcean College, Zhejiang University, Zhoushan, Zhejiang, ChinaUWA Oceans Institute and School of Plant Biology, University of Western Australia, Crawley, Western Australia, AustraliaUWA Oceans Institute and School of Plant Biology, University of Western Australia, Crawley, Western Australia, AustraliaOcean College, Zhejiang University, Zhoushan, Zhejiang, ChinaZhejiang Mariculture Research Institute (Zhejiang Key Lab of Exploitation and Preservation of Coastal Bio-resource), Wenzhou, Zhejiang, ChinaZhejiang Mariculture Research Institute (Zhejiang Key Lab of Exploitation and Preservation of Coastal Bio-resource), Wenzhou, Zhejiang, ChinaOcean College, Zhejiang University, Zhoushan, Zhejiang, ChinaSeaweed growth is often limited by light. Artificial light supply has been well studied in terrestrial agriculture, however, much less is known about its effect in seaweed aquaculture. In this study, the effects of four artificial light sources (white, red, green, and blue LEDs light) on a brown alga Sargassum fusiforme and a green alga Ulva pertusa were investigated. Seaweed growth, accumulation of photosynthetic pigments (chlorophyll a and carotenoid), and soluble protein were evaluated. White LED light was the optimal supplementary light when cultivating Ulva pertusa and Sargassum fusiforme, because it promoted seaweed growth while maintaining protein production. Meanwhile, red LED was unfavored in the cultivation of S. fusiforme, as it affected the seaweed growth and has a lower residual energy ratio underneath the water. LEDs would be a promising supplementary light source for seaweed cultivation.https://peerj.com/articles/11351.pdfLight-emitting diodes(leds)PigmentSoluble proteinLight sourcesSeaweed
collection DOAJ
language English
format Article
sources DOAJ
author Shitao Huang
Ke Li
Yaoru Pan
Yan Yu
Thomas Wernberg
Thibaut de Bettignies
Jiaping Wu
Chaosheng Zhou
Zhixing Huang
Xi Xiao
spellingShingle Shitao Huang
Ke Li
Yaoru Pan
Yan Yu
Thomas Wernberg
Thibaut de Bettignies
Jiaping Wu
Chaosheng Zhou
Zhixing Huang
Xi Xiao
Artificial light source selection in seaweed production: growth of seaweed and biosynthesis of photosynthetic pigments and soluble protein
PeerJ
Light-emitting diodes(leds)
Pigment
Soluble protein
Light sources
Seaweed
author_facet Shitao Huang
Ke Li
Yaoru Pan
Yan Yu
Thomas Wernberg
Thibaut de Bettignies
Jiaping Wu
Chaosheng Zhou
Zhixing Huang
Xi Xiao
author_sort Shitao Huang
title Artificial light source selection in seaweed production: growth of seaweed and biosynthesis of photosynthetic pigments and soluble protein
title_short Artificial light source selection in seaweed production: growth of seaweed and biosynthesis of photosynthetic pigments and soluble protein
title_full Artificial light source selection in seaweed production: growth of seaweed and biosynthesis of photosynthetic pigments and soluble protein
title_fullStr Artificial light source selection in seaweed production: growth of seaweed and biosynthesis of photosynthetic pigments and soluble protein
title_full_unstemmed Artificial light source selection in seaweed production: growth of seaweed and biosynthesis of photosynthetic pigments and soluble protein
title_sort artificial light source selection in seaweed production: growth of seaweed and biosynthesis of photosynthetic pigments and soluble protein
publisher PeerJ Inc.
series PeerJ
issn 2167-8359
publishDate 2021-05-01
description Seaweed growth is often limited by light. Artificial light supply has been well studied in terrestrial agriculture, however, much less is known about its effect in seaweed aquaculture. In this study, the effects of four artificial light sources (white, red, green, and blue LEDs light) on a brown alga Sargassum fusiforme and a green alga Ulva pertusa were investigated. Seaweed growth, accumulation of photosynthetic pigments (chlorophyll a and carotenoid), and soluble protein were evaluated. White LED light was the optimal supplementary light when cultivating Ulva pertusa and Sargassum fusiforme, because it promoted seaweed growth while maintaining protein production. Meanwhile, red LED was unfavored in the cultivation of S. fusiforme, as it affected the seaweed growth and has a lower residual energy ratio underneath the water. LEDs would be a promising supplementary light source for seaweed cultivation.
topic Light-emitting diodes(leds)
Pigment
Soluble protein
Light sources
Seaweed
url https://peerj.com/articles/11351.pdf
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