A multi-objective hybrid machine learning approach-based optimization for enhanced biomass and bioactive phycobiliproteins production in Nostoc sp. CCC-403
Abstract
The cyanobacterial phycobiliproteins (PBPs) are an important natural colorant for nutraceutical industries. Here, a multi-objective hybrid machine learning-based optimization approach was used for enhanced cell biomass and PBPs production simultaneously in Nostoc sp. CCC-403. A central composite design (CCD) was employed to design an experimental setup for four input parameters, including three BG-11 medium components and pH. We achieved a 61.76% increase in total PBPs production and an almost 90% increase in cell biomass by our prediction model. We also established a test genome-scale metabolic network (GSMN) for Nostoc sp. and identified potential metabolic fluxes contributing to PBPs enhanced production. This study highlights the advantage of the hybrid machine learning approach and GSMN to achieve optimization for more than one objective and serves as the foundation for future efforts to convert cyanobacteria as an economically viable source for biofuels and natural products.
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The algorithm predicted optimal cultivation conditions, resulting in a 90% increase in biomass yield and a 62% increase in phycobiliprotein recovery.
“The algorithm predicted optimal cultivation conditions, and thus an increase of 90% and 62% in biomass yield and phycobiliprotein recovery, respectively, was observed.”
From Microalgae biotechnology and its role in sustainable and healthy food design (2025) · cites this paper as Saini et al., 2021
In Saini et al. (2021), a multi-objective genetic algorithm (CNNGA) was applied to optimize input parameters and increase phycobiliprotein levels and cell growth of the microalga Nostoc sp.
“In a study by Saini et al. (2021), a multi-objective genetic algorithm (CNNGA) hybrid algorithm was applied to optimize input parameters and increase phycobiliprotein levels and cell growth of the microalga Nostoc sp.”
From Microalgae biotechnology and its role in sustainable and healthy food design (2025) · cites this paper as Saini et al., 2021
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- Authors
- Saini, D. K., Rai, A., Devi, A., Pabbi, S., Chhabra, D., Chang, J.-S., & Shukla, P.
- Affiliations
- Indian Council of Agricultural Research (IN)
- Chiba University (JP)
- Indian Agricultural Research Institute (IN)
- Maharshi Dayanand University (IN)
- Tunghai University (TW)
- Corresponding author
- Shukla, Pratyoosh
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2021-06
- Volume
- 329
- Pages
- 124908
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W3133514426
- Cited by
- 75
- References
- 49
- Citations by year
- 2026: 13 · 2025: 20 · 2024: 16 · 2023: 14 · 2022: 8 · 2021: 4
- FWCI
- 1.97
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Department of Science and Technology
- Department of Biotechnology Ministry of Science and Technology
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Microbial Metabolism and Applications
- Keywords
- phycobiliproteins, cyanobacteria, multi-objective optimization, hybrid machine learning, central composite design, genome-scale metabolic networks, metabolic flux analysis, pH optimization, natural colorants, nutraceuticals
- MeSH terms
- Machine Learning, Biomass, Nostoc, Phycobiliproteins, Biofuels
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