Cyanobacteria as Renewable Sources of Bioenergy (Biohydrogen, Bioethanol, and Bio-Oil Production)

Sivaramakrishnan, Ramachandran; Incharoensakdi, Aran

doi:10.1007/978-981-16-4873-1_19

Cited by 4 publications

(4 citation statements)

References 110 publications

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“…Under sulfur-deficient conditions, microalgae can sustain hydrogen production due to the limitation of PSII activity and reduced photosynthetic oxygen release (Sivaramakrishnan and Incharoensakdi, 2021). MicroRNAs (miRNAs) have been found to play a role in this process, with their up-regulation under sulfurdeficient conditions potentially influencing metabolic processes that lead to increased hydrogen production (Xu et al, 2019).…”

Section: Engineering Strategies For Biohydrogenmentioning

confidence: 99%

Emerging technologies for advancing microalgal photosynthesis and metabolism toward sustainable production

Hu,

Meng,

et al. 2023

Front. Mar. Sci.

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Microalgae are unicellular photosynthetic microorganisms that play a vital role in primary production and have diverse applications in various industries. They have high photosynthetic and metabolic capacities and can produce a variety of valuable metabolites, such as lipids, carbohydrates, pigments, and proteins. However, practical applications of microalgae are limited to high-value products due to the high production costs. Algal biotechnology faces challenges such as low energy utilization efficiency and product yield that are currently inadequate to fulfill commercial production. To overcome these challenges, emerging technologies have shown promise to achieve higher production efficiency, including molecular manipulation of photosynthetic efficiency and metabolic activities. Here, we provided an overview of the importance, diversity, and photosynthesis of microalgae, as well as strategies for enhancing their photosynthetic efficiency. We discussed various approaches for improving microalgal photosynthesis, including strain selection and optimization, rational genetic modification, and innovative technologies such as spectral recomposition of light, nanomaterials, advanced cultivation systems, and symbiotic systems. Additionally, we summarized metabolic engineering strategies that focus on optimizing the synthesis of value-added metabolites, such as pigments, long-chain polyunsaturated fatty acids, starch, proteins, and hydrogen in microalgae. By concentrating on improving photosynthetic efficiency and the synthesis of bioactive metabolites, this review provided valuable insights into enhancing microalgae production yields. Overcoming limitations in microalgae production costs can lead to broader applications in various industries. Furthermore, we highlight the potential of these strategies in increasing the efficiency of microalgae as a sustainable source for high-value products.

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Section: Engineering Strategies For Biohydrogenmentioning

confidence: 99%

Emerging technologies for advancing microalgal photosynthesis and metabolism toward sustainable production

Hu,

Meng,

et al. 2023

Front. Mar. Sci.

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“…The lack of sulfur limits the synthesis of methionine and cysteine, inactivating photosystem II (PSII) and resulting in photosynthetic oxygen release at a lower rate than respiration. 130 miRNAs are a group of small noncoding RNAs that are ubiquitous in various gene regulatory pathways in eukaryotes that are involved in post-transcriptional gene expression regulation in plants and animals. 131 Changing miRNA expression may affect many metabolic processes.…”

Section: Genetic Engineering For Microalgal Hydrogen Production Using...mentioning

confidence: 99%

Genetic engineering for biohydrogen production from microalgae

Zhang¹,

Xue²,

Wang³

et al. 2023

iScience

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“…After an extensive review of the relevant scientific literature, the following key conclusions can be drawn regarding the applied significance of cyanobacteria: (1) useful in photosynthesis research because (a) plastids found in eukaryotic green algae and plants are the result of an endosymbiotic event between a eukaryotic host and a prokaryotic cyanobacterium and (b) fundamental photochemical mechanisms underlying photosynthesis have been highly conserved across evolutionary lineages from ancient cyanobacteria to plants, − (2) possess the nitrogenase enzyme that facilitate effective atmospheric nitrogen fixation, enabling their use as biofertilizers to increase nitrogen levels in nitrogen-deficient rice paddies and other agricultural fields, − (3) they represent a unique storehouse of useful bioactive molecules, having been extensively utilized for applications in biotechnology, pharmaceutical, and toxicological research, − and (4) a sustainable source of bioenergy, offering an alternative to fossil fuel-derived energy sources. , In recent years, researchers have been delving into the realm of cyanobacteria to uncover the secrets hidden within their proteomic makeup.…”

Section: Introductionmentioning

confidence: 99%

Cyanobacterial Proteomics: Diversity and Dynamics

Srivastava,

Singh,

Kanda

et al. 2024

J. Proteome Res.

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Cyanobacteria (oxygenic photoautrophs) comprise a diverse group holding significance both environmentally and for biotechnological applications. The utilization of proteomic techniques has significantly influenced investigations concerning cyanobacteria. Application of proteomics allows for large-scale analysis of protein expression and function within cyanobacterial systems. The cyanobacterial proteome exhibits tremendous functional, spatial, and temporal diversity regulated by multiple factors that continuously modify protein abundance, post-translational modifications, interactions, localization, and activity to meet the dynamic needs of these tiny blue greens. Modern mass spectrometry-based proteomics techniques enable system-wide examination of proteome complexity through global identification and high-throughput quantification of proteins. These powerful approaches have revolutionized our understanding of proteome dynamics and promise to provide novel insights into integrated cellular behavior at an unprecedented scale. In this Review, we present modern methods and cutting-edge technologies employed for unraveling the spatiotemporal diversity and dynamics of cyanobacterial proteomics with a specific focus on the methods used to analyze post-translational modifications (PTMs) and examples of dynamic changes in the cyanobacterial proteome investigated by proteomic approaches.

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Cyanobacteria as Renewable Sources of Bioenergy (Biohydrogen, Bioethanol, and Bio-Oil Production)

Cited by 4 publications

References 110 publications

Emerging technologies for advancing microalgal photosynthesis and metabolism toward sustainable production

Emerging technologies for advancing microalgal photosynthesis and metabolism toward sustainable production

Genetic engineering for biohydrogen production from microalgae

Cyanobacterial Proteomics: Diversity and Dynamics

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