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Geological and Mining Engineering

Geological and Mining Engineering (GME), published by Scineer Publishing PTE. LTD, is an open-access journal. GME is devoted to publish geological and mining engineering related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on geological and mining engineering throughout the world. GME welcomes all original

ISSN: 3029-1887(P)

3029-2034(O)

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Food Safety and Quality

Food Safety and Quality (FSQ), published by Scineer Publishing PTE. LTD, is an open-access journal. FSQ is devoted to publish food safety and quality related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on food safety and quality throughout the world. FSQ welcomes all original manuscripts that do not be published in any other journals.

ISSN: 3029-2115(P)

3029-2123(O)

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Hydraulic Engineering and Power Research

Hydraulic Engineering and Power Research (HEPR), published by Scineer Publishing PTE. LTD, is an open-access journal. HEPR is devoted to publish hydraulic engineering and power related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on hydraulic engineering and power throughout the world. HEPR welcomes all original manuscripts that do not be published in any other journals.Â

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Â Â Â Â ISSN: 3029-2158(P)

Â Â Â Â Â Â Â Â Â 3029-2166(O)

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Medical and Health Research

Medical and Health Research (MHR), published by Scineer Publishing PTE. LTD, is an open-access journal. MHR is devoted to publish medicine related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on medicine throughout the world. MHR welcomes all original manuscripts that do not be published in any other journals.Â

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Â Â Â Â ISSN: 3029-2190(P)

Â Â Â Â Â Â Â Â Â 3029-2204(O)

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Practical Medical Research

Practical Medical Research (PMR), published by Scineer Publishing PTE. LTD, is an open-access journal. PMR is devoted to publish medicine related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on medicine throughout the world. PMR welcomes all original manuscripts that do not be published in any other journals.Â

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Â Â Â Â ISSN: 3029-2085(P)

Â Â Â Â Â Â Â Â Â Â 3029-2093(O)

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Forum on Research and Innovation Management

Forum on Research and Innovation Management (FRIM), published by Scineer Publishing PTE. LTD, is an open-access journal. FRIM is devoted to publish research and innovation management related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on research and innovation management throughout the world. FRIM welcomes all original manuscripts that do not be published in any other journals.Â

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Â Â Â Â ISSN: 3029-1933(P)

Â Â Â Â Â Â Â Â Â 3029-1984(O)

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Construction Safety Technology and Management

Construction Safety Technology and Management (CSTM), published by Scineer Publishing PTE. LTD, is an open-access journal. CSTM is devoted to publish construction safety technology and management related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on construction safety technology and management throughout the world. CSTM welcomes all original manuscripts that do not be published in any other journals.Â

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Â Â Â Â Â ISSN: 3029-2069(P)

Â Â Â Â Â Â Â Â Â Â Â 3029-2077(O)

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Industrial Technology Research

Industrial Technology Research (ITR), published by Scineer Publishing PTE. LTD, is an open-access journal. ITR is devoted to publish industrial technology related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on industrial technology throughout the world. ITR welcomes all original manuscripts that do not be published in any other journals.

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Â Â Â Â ISSN: 3029-1895(P)

Â Â Â Â Â Â Â Â Â Â 3029-2026(O)

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Environmental Protection and Health

Environmental Protection and Health (EPH), published by Scineer Publishing PTE. LTD, is an open-access journal. EPH is devoted to publish environmental protection and health related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on environmental protection and health throughout the world. EPH welcomes all original manuscripts that do not be published in any other journals.Â

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Â Â Â Â ISSN: 3029-1909(P)

Â Â Â Â Â Â Â Â Â 3029-2018(O)

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Artificial Intelligence Technology Research

Artificial Intelligence Technology Research (AITR), published by Scineer Publishing PTE. LTD, is an open-access journal. AITR is devoted to publish artificial intelligence technology related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on artificial intelligence technology throughout the world. AITR welcomes all original manuscripts that do not be published in any other journals.Â

Â Â Â Â ISSN: 3029-1968(O)

Â Â Â Â Â Â Â Â Â 3029-195X(P)
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Curriculum Learning and Exploration

Curriculum Learning and Exploration (CLE), published by Scineer Publishing PTE. LTD, is an open-access journal. CLE is devoted to publish curriculum related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on curriculum throughout the world. CLE welcomes all original manuscripts that do not be published in any other journals.Â

Â Â Â Â ISSN: 3029-1976(O)

Â Â Â Â Â Â Â Â Â 3029-1941(P)
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Evaluation of Educational Research

Evaluation of Educational Research (EER), published by Scineer Publishing PTE. LTD, is an open-access journal. EER is devoted to publish education related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on education throughout the world. EER welcomes all original manuscripts that do not be published in any other journals.

Â Â Â Â ISSN: 3029-1992(O)

Â Â Â Â Â Â Â Â Â 3029-1925(P)
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World Education Forum

World Education Forum (WEF), published by Scineer Publishing PTE. LTD, is an open-access journal. WEF is devoted to publish education related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on education throughout the world. WEF welcomes all original manuscripts that do not be published in any other journals.

Â Â Â Â ISSN: 3029-214X(O)

Â Â Â Â Â Â Â Â Â 3029-2131(P)

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New Explorations in Education and Teaching

New Explorations in Education and Teaching (NEET), published by Scineer Publishing PTE. LTD, is an open-access journal. NEET is devoted to publish education related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on education throughout the world. NEET welcomes all original manuscripts that do not be published in any other journals.Â

Â Â Â Â ISSN: 3029-200X(O)

Â Â Â Â Â Â Â Â Â 3029-1917(P)

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Modern Economic Management Forum

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Modern Economic Management Forum (MEMF), published by Scineer Publishing PTE. LTD, is an open-access journal. MEMF is devoted to publish modern economic management related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on economic management throughout the world. MEMF welcomes all original manuscripts that do not be published in any other journals.Â

Â Â Â Â ISSN: 3029-2182(O)

Â Â Â Â Â Â Â Â Â 3029-2174(P)

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Research and Commentary on Humanities and Arts

Research and Commentary on Humanities and ArtsÂ (RCHA), published by Scineer Publishing PTE. LTD, is an open-access journal. RCHA is devoted to publish humanities and arts related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on humanities and arts throughout the world. RCHA welcomes all original manuscripts that do not be published in any other journals.Â

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Â Â Â Â Â Â ISSN: 3029-2050(O)

Â Â Â Â Â Â Â Â Â Â Â 3029-2042(P)

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Scineer Publishing is a publisher of open access journals. Covering various disciplines and promoting interdisciplinary development, Scineer Publishing adheres to a principle of respecting academics, and publishes insightful and rigorous academic research contents.

12 Eu Tong Sen Street, #07-168, Singapore 059819

E-mail: scineerpub@126.com

Copyright © 2023 Scineer Publishing Pte. Ltd.

Effects of Different Light Intensities Coupled with Growth Differences of Porphyridium Cruentum and Its Preliminary Molecular Mechanism

Xinchen Zhao

Abstract

Porphyridium cruentum is a primitive unicellular red alga distributed in freshwater, seawater and moist soil. It synthesizes highvalue bioactive substances including phycobiliproteins, polysaccharides and polyunsaturated fatty acids. Light, a key environmental regulator,
modulates its growth and metabolite synthesis. Different light intensities and photoperiods affect bioactive compound accumulation and molecular responses. This study explores light environment impacts on P. cruentum's key growth indicators and biosynthesis of proteins, polysaccharides and lipids. It aims to confirm optimal growth conditions and optimized medium for cost reduction, growth cycle shortening and largescale cultivation. It also explores the underlying molecular mechanisms, laying a foundation for understanding its light signal responses.

Keywords

Porphyridium cruentum; Light intensity; Growth characteristics; Molecular mechanism

Full Text:

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Included Database

References

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[2] Liu H H, Li M, Ji H L, et al. Antioxidant and moisturizing properties of extracellular polysaccharides from Porphyridium cruentum [J].

Food Research and Development, 2014, 35(05): 1-6.

[3] Sun L, Wang C, Shi Q, et al. Preparation of different molecular weight polysaccharides from Porphyridium cruentum and their antioxidant activities [J]. International Journal of Biological Macromolecules, 2009, 45(1): 42-47.

[4] Researchers from Harbin Institute of Technology. Exopolysaccharides of lactic acid bacteria: Structure, bioactivity and associations—a

review [J]. Chemicals & Chemistry, 2019.

[5] Chen X Q, Zheng Y, Lin X P, et al. Isolation, purification and antibacterial activity of polysaccharides from Porphyridium cruentum [J].

Journal of Zhangzhou Normal University (Natural Science Edition), 2008, (2): 95-98.

[6] Yehuda N, Turkulets Y, Shalish I, et al. Red microalgal sulfated polysaccharide-Cu2O complexes: Characterization and bioactivity [J].

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[7] Dubey S, et al. Efficient lipid induction and fractionation in Porphyridium purpureum for sustainable nutraceutical and biofuel coproduction [J]. Bioresource Technology Reports, 2025.

[8] Lin L Q, et al. Effects of Porphyridium cruentum on blood lipid levels in experimental hyperlipidemic rats [J]. Natural Product Research

and Development, 2011, 23(3): 456-461.

[9] Xu N J, et al. Antifungal activity and component analysis of fat-soluble compounds from Porphyridium cruentum against plant pathogens [J]. Microbiology China, 2024, 51(5): 1823-1834.

[10] Zhang C W, Yin M Y, Liu G F. Regulation of cell growth, extracellular polysaccharide and phycoerythrin synthesis in Porphyridium

cruentum [J]. Oceanologia et Limnologia Sinica, 2002, 33(3): 285-291.

[11] Li H, Wang C H, Jiang X L. Optimization of phycoerythrin extraction from Porphyridium cruentum by response surface methodology [J].

Food and Fermentation Industries, 2008, 34(5): 15-19.

[12] Qin S, Wu Q Y, Zeng C K. Isolation, purification and properties of phycoerythrin from Porphyridium cruentum [J]. Acta Oceanologica

Sinica, 1999, 21(2): 140-144.

[13] Vitali B, Vilém Z, Kateřina B. Effects of variable light sources and intensities on the growth of three algal species [J]. Cells, 2022, 11(8):

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[14] Wang Y Z, Yao Y J, Wang Z Y, et al. Effects of light on growth and photosynthetic pigment content of Euglena gracilis [J]. Fisheries Science, 2021, 40(2): 179-187.

[15] Chen X D, Wu J, Deng Y, et al. Effects of white LED composite spectrum on four freshwater microalgae [J]. Chinese Journal of Bioprocess Engineering, 2015, 13(1): 94-100.

[16] A B, G P, ES, et al. An identifiable state model for describing light intensity effects on microalgal growth [J]. Industrial & Engineering

Chemistry Research, 2014, 53(16): 6738-6749.

[17] Gao F. Screening of high salt-tolerant Porphyridium cruentum resources and analysis of its miR398-CSD salt stress response model [J].

Chinese Agricultural Science Bulletin, 2024, 40(3): 103-111.

[18] Wang XX. Structure, properties and functions of phycobilisomes—light-harvesting pigment-protein complexes in algae [D]. Qufu Normal University, 2018.

DOI: http://dx.doi.org/10.70711/frim.v4i6.9683

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Scineer Publishing is a publisher of open access journals. Covering various disciplines and promoting interdisciplinary development, Scineer Publishing adheres to a principle of respecting academics, and publishes insightful and rigorous academic research contents.

12 Eu Tong Sen Street, #07-168, Singapore 059819

E-mail: scineerpub@126.com

Copyright © 2023 Scineer Publishing Pte. Ltd.