Genome analysis of Lb. sakei 23K
revealed a lack of main aroma – production pathways, as well as genes responsible for
amino acid decarboxylation (Chaillou et al. 2005 ).
Similarly, genome analysis of St. carnosus TM 300 has revealed that the genetic background was present for encoding a series of desired technological properties,
such as branched - chain amino acid aminotransferase producing fl avor compounds, superoxide
dismutase,
และ catalase contributing to the control of lipid oxidation (Barriere et al. 2001 ; Madsen et al. 2002 ).
The presence of the required genes does not necessarily mean a functional biochemical pathway,
but once the mechanisms that infl uence their transcription
และ translation are understood, it will be possible to assess the presence of desired properties, merely by the use of specific probes bypassing classical microbiological techniques.