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Publication Metadata only Prospects of cyanobacterial pigment production: Biotechnological potential and optimization strategies(Elsevier B.V., 2022) Sandybayeva, Sandugash K.; Kossalbayev, Bekzhan D.; Zayadan, Bolatkhan K.; Sadvakasova, Asemgul K.; Bolatkhan, K.; Zadneprovskaya, Elena V.; Kakimova, Ardak B.; Alwasel, Salah Hamad; Leong, Yoong Kit; Allakhverdiev, Suleyman I.; Sandybayeva, Sandugash K., Faculty of Biology and Biotechnology, Al Farabi Kazakh National University, Almaty, Kazakhstan; Kossalbayev, Bekzhan D., Faculty of Biology and Biotechnology, Al Farabi Kazakh National University, Almaty, Kazakhstan, Department of Chemical and Biochemical Engineering, Satbayev University, Almaty, Kazakhstan; Zayadan, Bolatkhan K., Faculty of Biology and Biotechnology, Al Farabi Kazakh National University, Almaty, Kazakhstan; Sadvakasova, Asemgul K., Faculty of Biology and Biotechnology, Al Farabi Kazakh National University, Almaty, Kazakhstan; Bolatkhan, K., Faculty of Biology and Biotechnology, Al Farabi Kazakh National University, Almaty, Kazakhstan; Zadneprovskaya, Elena V., Controlled Photobiosynthesis Laboratory, Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russian Federation; Kakimova, Ardak B., Faculty of Biology and Biotechnology, Al Farabi Kazakh National University, Almaty, Kazakhstan; Alwasel, Salah Hamad, College of Sciences, Riyadh, Saudi Arabia; Leong, Yoong Kit, Department of Chemical and Materials Engineering, Tunghai University, Taichung, Taiwan; Allakhverdiev, Suleyman I., Controlled Photobiosynthesis Laboratory, Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russian Federation, Institute of Fundamental Problems of Biology of the Russian Academy of Sciences, Pushchino, Russian Federation, Faculty of Engineering and Natural Sciences, Bahçeşehir Üniversitesi, Istanbul, TurkeyIncreasing awareness of the harmful effects of synthetic colorants has led consumers to favor the use of natural alternatives such as plant or microbial pigments in food and cosmetics. Cyanobacteria are a rich source of many natural biopigments that are of high commercial value. In the market, bio-based pigments are usually sold as extracts to reduce purification costs. Various cell disruption methods are used for pigment extraction, such as sonication, homogenization, high pressure, supercritical CO2 extraction, enzymatic extraction, as well as other promising novel extraction methods that make the production of cyanobacterial pigments economically viable. In addition, a continuous cultivation system is considered the most suitable cultivation mode for large-scale biomass production. However, a major limitation in the large-scale production of cyanobacterial pigments is the installation and operation costs. Thus, basic and applied research is still needed to overcome such limitations and enable cyanobacteria to enter the global market. This review focuses on various cyanobacterial pigments, their applications, and current biotechnological approaches to increase the production of biopigments for their potential use in the pharmaceutical, food, and cosmetic industries. The current state of production technologies based on either open pond systems or closed photobioreactors was compared. The potential of scientific and technological advances to increase yield and reduce production costs of cyanobacteria biomass-based pigments was also discussed. © 2022 Elsevier B.V., All rights reserved.Publication Metadata only Synthetic algocyanobacterial consortium as an alternative to chemical fertilizers(Academic Press Inc., 2023) Sadvakasova, Asemgul K.; Bauenova, Meruyert O.; Kossalbayev, Bekzhan D.; Zayadan, Bolatkhan K.; Huang, Zhiyong; Wang, Jingjing; Balouch, Huma; Alharby, Hesham Fasial; Chang, Jo-Shu; Allakhverdiev, Suleyman I.; Sadvakasova, Asemgul K., Faculty of Biology and Biotechnology, Al Farabi Kazakh National University, Almaty, Kazakhstan; Bauenova, Meruyert O., Faculty of Biology and Biotechnology, Al Farabi Kazakh National University, Almaty, Kazakhstan; Kossalbayev, Bekzhan D., Faculty of Biology and Biotechnology, Al Farabi Kazakh National University, Almaty, Kazakhstan, Department of Chemical and Biochemical Engineering, Satbayev University, Almaty, Kazakhstan; Zayadan, Bolatkhan K., Faculty of Biology and Biotechnology, Al Farabi Kazakh National University, Almaty, Kazakhstan; Huang, Zhiyong, Tianjin Institute of Industrial Biotechnology, Tianjin, China; Wang, Jingjing, Tianjin Institute of Industrial Biotechnology, Tianjin, China; Balouch, Huma, Faculty of Biology and Biotechnology, Al Farabi Kazakh National University, Almaty, Kazakhstan; Alharby, Hesham Fasial, Department of Biological Sciences, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia; Chang, Jo-Shu, Department of Chemical and Materials Engineering, Tunghai University, Taichung, Taiwan, Research Center for Smart Sustainable Circular Economy, Tunghai University, Taichung, Taiwan, National Cheng Kung University, Tainan, Taiwan, Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan, Taiwan; Allakhverdiev, Suleyman I., Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russian Federation, Institute of Fundamental Problems of Biology of the Russian Academy of Sciences, Pushchino, Russian Federation, Faculty of Engineering and Natural Sciences, Bahçeşehir Üniversitesi, Istanbul, TurkeyThe use of unregulated pesticides and chemical fertilizers can have detrimental effects on biodiversity and human health. This problem is exacerbated by the growing demand for agricultural products. To address these global challenges and promote food and biological security, a new form of agriculture is needed that aligns with the principles of sustainable development and the circular economy. This entails developing the biotechnology market and maximizing the use of renewable and eco-friendly resources, including organic fertilizers and biofertilizers. Phototrophic microorganisms capable of oxygenic photosynthesis and assimilation of molecular nitrogen play a crucial role in soil microbiota, interacting with diverse microflora. This suggests the potential for creating artificial consortia based on them. Microbial consortia offer advantages over individual organisms as they can perform complex functions and adapt to variable conditions, making them a frontier in synthetic biology. Multifunctional consortia overcome the limitations of monocultures and produce biological products with a wide range of enzymatic activities. Biofertilizers based on such consortia present a viable alternative to chemical fertilizers, addressing the issues associated with their usage. The described capabilities of phototrophic and heterotrophic microbial consortia enable effective and environmentally safe restoration and preservation of soil properties, fertility of disturbed lands, and promotion of plant growth. Hence, the utilization of algo-cyano-bacterial consortia biomass can serve as a sustainable and practical substitute for chemical fertilizers, pesticides, and growth promoters. Furthermore, employing these bio-based organisms is a significant stride towards enhancing agricultural productivity, which is an essential requirement to meet the escalating food demands of the growing global population. Utilizing domestic and livestock wastewater, as well as CO2 flue gases, for cultivating this consortium not only helps reduce agricultural waste but also enables the creation of a novel bioproduct within a closed production cycle. © 2023 Elsevier B.V., All rights reserved.Publication Metadata only Biotechnological production of hydrogen: Design features of photobioreactors and improvement of conditions for cultivating cyanobacteria(Elsevier Ltd, 2024) Kossalbayev, Bekzhan D.; Yilmaz, Girayhan; Sadvakasova, Asemgul K.; Zayadan, Bolatkhan K.; Belkozhayev, Ayaz; Kamshybayeva, Gulzhanay K.; Sainova, Gaukhar Askerovna; Bozieva, Ayshat M.; Alharby, Hesham Fasial; Tomo, Tatsuya; Kossalbayev, Bekzhan D., Department of Chemical and Biochemical Engineering, Satbayev University, Almaty, Kazakhstan, Faculty of Biology and Biotechnology, Al Farabi Kazakh National University, Almaty, Kazakhstan; Yilmaz, Girayhan, Faculty of Engineering and Natural Sciences, Bahçeşehir Üniversitesi, Istanbul, Turkey; Sadvakasova, Asemgul K., Faculty of Biology and Biotechnology, Al Farabi Kazakh National University, Almaty, Kazakhstan; Zayadan, Bolatkhan K., Faculty of Biology and Biotechnology, Al Farabi Kazakh National University, Almaty, Kazakhstan; Belkozhayev, Ayaz, Department of Chemical and Biochemical Engineering, Satbayev University, Almaty, Kazakhstan, Faculty of Biology and Biotechnology, Al Farabi Kazakh National University, Almaty, Kazakhstan, M. Aitkhozhin Institute of Molecular Biology and Biochemistry, Almaty, Kazakhstan; Kamshybayeva, Gulzhanay K., Department of Chemical and Biochemical Engineering, Satbayev University, Almaty, Kazakhstan, Faculty of Biology and Biotechnology, Al Farabi Kazakh National University, Almaty, Kazakhstan; Sainova, Gaukhar Askerovna, Ecology Research Institute, Khoja Akhmet Yassawi International Kazakh-Turkish University, Turkistan, Kazakhstan; Bozieva, Ayshat M., Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russian Federation; Alharby, Hesham Fasial, Department of Biological Sciences, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia; Tomo, Tatsuya, Department of Physics, Tokyo University of Science, Tokyo, JapanOver the last five decades, solar-based hydrogen (H2) production has been intensively studied. Specifically, the study of biophotolysis by cyanobacteria has received great attention to produce H2, and promising research approaches have been established. To date, numerous photobioreactors (PBRs) have been built to collect cyanobacterial biomass and generate bioenergy. Additionally, different PBR parameters were adjusted to increase the product yield. PBR development holds great potential not only for cell biomass but also for biological H2 production. This review aimed to examine the mechanisms involved in H2 production by cyanobacteria, explore the factors influencing the process, and describe five distinct PBRs known for their high H2 production. This article examines the pros and cons of the most efficient PBRs for H2 production and offers insights into strategies for increasing their productivity. © 2023 Elsevier B.V., All rights reserved.