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Production of Poly-beta-hydroxybutyrate (PHB) in Different Media by Streptococcus thermophilus Ba21S Strain

Year 2008, Volume: 2 Issue: 2, 7 - 10, 01.07.2008

Zehra Nur Yuksekdag Yavuz Beyatlı

Abstract

In this study, accumulated poly-beta-hydroxybutyrate (PHB) was determined in lactic acid bacteria belonging to the genera Lactobacillus, Lactococcus and Streptococcus. PHB production by these strains was determined by the spectrophotometric method. The yield of PHB produced by Lactobacillus species was 0.93-9.00% w/v. The values for Lactococcus and Streptococcus species were 7.09-16.00 and 5.47-21.15% w/v, respectively. Generally, Lactococcus species produced more PHB than the other bacteria species. The highest PHB production and productivity percentage was found in S. thermophilus Ba21S (21.15% w/v). The amount of PHB produced by this strain in different carbon and nitrogen sources was analyzed. In this strain, sucrose was the most effi cient carbon sources for the production of PHB compared with other carbon (glucose, lactose, sucrose, pyruvate) and nitrogen (protease peptone, L-glycine, L-cysteine, and (NH)SO) sources

Keywords

poly-beta-hydroxybutyrate (PHB) different carbon and nitrogen sources Lactobacillus Lactococcus and Streptococcus

Year 2008, Volume: 2 Issue: 2, 7 - 10, 01.07.2008

Zehra Nur Yuksekdag Yavuz Beyatlı

Abstract

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Details

Other ID JA99SJ95VM
Journal Section Research Article
Authors

Zehra Nur Yuksekdag This is me

Yavuz Beyatlı This is me

Publication Date July 1, 2008
Published in Issue Year 2008 Volume: 2 Issue: 2

Cite

APA Yuksekdag, Z. N., & Beyatlı, Y. (2008). Production of Poly-beta-hydroxybutyrate (PHB) in Different Media by Streptococcus thermophilus Ba21S Strain. Journal of Applied Biological Sciences, 2(2), 7-10.
AMA Yuksekdag ZN, Beyatlı Y. Production of Poly-beta-hydroxybutyrate (PHB) in Different Media by Streptococcus thermophilus Ba21S Strain. J.appl.biol.sci. July 2008;2(2):7-10.
Chicago Yuksekdag, Zehra Nur, and Yavuz Beyatlı. “Production of Poly-Beta-Hydroxybutyrate (PHB) in Different Media by Streptococcus Thermophilus Ba21S Strain”. Journal of Applied Biological Sciences 2, no. 2 (July 2008): 7-10.
EndNote Yuksekdag ZN, Beyatlı Y (July 1, 2008) Production of Poly-beta-hydroxybutyrate (PHB) in Different Media by Streptococcus thermophilus Ba21S Strain. Journal of Applied Biological Sciences 2 2 7–10.
IEEE Z. N. Yuksekdag and Y. Beyatlı, “Production of Poly-beta-hydroxybutyrate (PHB) in Different Media by Streptococcus thermophilus Ba21S Strain”, J.appl.biol.sci., vol. 2, no. 2, pp. 7–10, 2008.
ISNAD Yuksekdag, Zehra Nur - Beyatlı, Yavuz. “Production of Poly-Beta-Hydroxybutyrate (PHB) in Different Media by Streptococcus Thermophilus Ba21S Strain”. Journal of Applied Biological Sciences 2/2 (July 2008), 7-10.
JAMA Yuksekdag ZN, Beyatlı Y. Production of Poly-beta-hydroxybutyrate (PHB) in Different Media by Streptococcus thermophilus Ba21S Strain. J.appl.biol.sci. 2008;2:7–10.
MLA Yuksekdag, Zehra Nur and Yavuz Beyatlı. “Production of Poly-Beta-Hydroxybutyrate (PHB) in Different Media by Streptococcus Thermophilus Ba21S Strain”. Journal of Applied Biological Sciences, vol. 2, no. 2, 2008, pp. 7-10.
Vancouver Yuksekdag ZN, Beyatlı Y. Production of Poly-beta-hydroxybutyrate (PHB) in Different Media by Streptococcus thermophilus Ba21S Strain. J.appl.biol.sci. 2008;2(2):7-10.