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GABA as a signalling molecule: Possible mechanism for its enhanced commercial production by cyanobacteria
Ranjan Plant Physiology and Biochemistry Laboratory, Department of Botany, University of Allahabad, Prayagraj, India.
Ranjan Plant Physiology and Biochemistry Laboratory, Department of Botany, University of Allahabad, Prayagraj, India.
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap. (EcoChange)
Ranjan Plant Physiology and Biochemistry Laboratory, Department of Botany, University of Allahabad, Prayagraj, India.
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2022 (engelsk)Inngår i: Journal of Applied Phycology, ISSN 0921-8971, E-ISSN 1573-5176, Vol. 34, s. 2355-2369Artikkel, forskningsoversikt (Fagfellevurdert) Published
Abstract [en]

γ-aminobutyric acid (GABA) is a ubiquitous non-protein amino acid widely distributed in prokaryotes and eukaryotes. Recently, it is gaining momentum to treat several human diseases. It is synthesized from glutamate, by glutamate decarboxylase a key enzyme in GABA shunt pathway and has been considered as one of the important bioactive compounds produced in response to several environmental stresses. GABA works as a signalling molecule that plays crucial role in biological organisms under adverse conditions. So far, the metabolism of GABA is extensively studied in plants and other eukaryotes, although in cyanobacteria GABA is less studied than in other prokaryotes. Hence the present review highlights the metabolic pathways of GABA production in cyanobacteria particularly the possible ways (via modifying the exogenous growth conditions and regulating gene expression) to enhance the endogenous GABA pool and its extraction in cost effective way to meet the rising demand due to its diverse physiological functions on human health. Alternatively, we discuss the effects of various environmental stresses in augmenting intracellular production in algal cells. Besides this, the review also emphasizes on different commercial applications of this compound in various industrial sectors such as pharmaceutical industry, food, beverages and dairy industry, bioplastics and biofuel production.

sted, utgiver, år, opplag, sider
Springer, 2022. Vol. 34, s. 2355-2369
Emneord [en]
cyanobacteria, environmental stress, GABA shunt pathway, glutamate decarboxylase, γ-aminobutyric acid
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Identifikatorer
URN: urn:nbn:se:umu:diva-198046DOI: 10.1007/s10811-022-02791-2ISI: 000821985000003Scopus ID: 2-s2.0-85133447993OAI: oai:DiVA.org:umu-198046DiVA, id: diva2:1683306
Tilgjengelig fra: 2022-07-15 Laget: 2022-07-15 Sist oppdatert: 2022-12-15bibliografisk kontrollert

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