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Identification and molecular cloning of glutamate decarboxylase gene from Lactobacillus casei | ||
| Molecular Biology Research Communications | ||
| مقاله 4، دوره 4، شماره 3، آذر 2015، صفحه 161-165 اصل مقاله (172.7 K) | ||
| نوع مقاله: Short communication | ||
| شناسه دیجیتال (DOI): 10.22099/mbrc.2015.3119 | ||
| نویسندگان | ||
| Yasaman Tavakoli1؛ Abolghasem Esmaeili* 2؛ Mohammad Rabbani2 | ||
| 1Department of Biotechnology, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, Iran. | ||
| 2Department of Biology, Faculty of Sciences, University of Isfahan, Isfahan, Iran. | ||
| چکیده | ||
| Gamma-amino butyric acid (GABA) possesses several physiological functions such as neurotransmission, induction of hypotension, diuretic and tranquilizer effects. Production of GABA-enriched products by lactic acid bacteria has been a focus of different researches in recent years because of their safety and health-promoting specifities. In this study, glutamate decarboxylase (gad) gene of a local strains Lactobacillus casei was identified and cloned. In order to clone the gad gene from this strain, the PCR was carried out using primers designed based on conserved regions. The PCR product was purified and ligated into PGEM-T vector. Comparison of obtained sequences shows that this fragment codes the pyridoxal 5′-phosphate binding region. This strain could possibly be used for the industrial GABA production and also for development of functional fermented foods. Gad gene manipulation can also either decrease or increase the activity of enzyme in bacteria. | ||
| کلیدواژهها | ||
| Gamma-aminobutyric acid؛ Glutamate decarboxylase؛ Lactobacillus casei | ||
| مراجع | ||
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