Identification of a tyrosine decarboxylase gene (tdcA) in Streptococcus thermophilus 1TT45 and analysis of its expression and tyramine production in milk.

In this study, a tyrosine decarboxylase gene (tdcA) was identified in 1 among 83 Streptococcus thermophilus strains tested. Its sequence, nearly identical to that of a tdcA of Lactobacillus curvatus, indicated a horizontal gene transfer event. Transcription in milk and the formation of critical levels of tyramine were observed in the presence of tyrosine.

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Titolo: Identification of a tyrosine decarboxylase gene (tdcA) in Streptococcus thermophilus 1TT45 and analysis of its expression and tyramine production in milk.
Autori: 
LA GIOIA, Federica
RIZZOTTI, Lucia
ROSSI, Franca
TORRIANI, Sandra
mostra contributor esterni 
Data di pubblicazione: 2011
Rivista: 
APPLIED AND ENVIRONMENTAL MICROBIOLOGY  
Abstract: In this study, a tyrosine decarboxylase gene (tdcA) was identified in 1 among 83 Streptococcus thermophilus strains tested. Its sequence, nearly identical to that of a tdcA of Lactobacillus curvatus, indicated a horizontal gene transfer event. Transcription in milk and the formation of critical levels of tyramine were observed in the presence of tyrosine.
Handle: http://hdl.handle.net/11562/353184
Appare nelle tipologie:01.01 Articolo in Rivista

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http://hdl.handle.net/11562/353184
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