Enhancing the oxidative resistance of yoghurt starter bacteria with heterologous catalase expression in Streptococcus thermophilus

During yoghurt fermentation, the starter bacteria often suffer oxidative damage. In this study, a heme-dependent catalase gene (katE) was isolated from Lactobacillus brevis ATCC 367 and transferred into Streptococcus thermophilus ST5. The functional expression of katE in S. thermophilus ST5 resulted...

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Veröffentlicht in:	International dairy journal 2013-06, Vol.30 (2), p.68-72
Hauptverfasser:	Fu, Longyun, Kong, Jian, Sun, Zhilan, Zhang, Li, Zhang, Xia, Guo, Tingting
Format:	Artikel
Sprache:	eng
Schlagworte:	Aerobic conditions catalase cultured milk starters fermentation genes Lactobacillus brevis Lactobacillus delbrueckii subsp. bulgaricus milk oxidative stress Streptococcus thermophilus stress tolerance survival rate yogurt
Online-Zugang:	Volltext
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