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Identification of a species-specific aminotransferase in Pediococcus acidilactici capable of forming α-aminobutyrate

Wenger, Alexander ; Schmidt, Remo S. ; Portmann, Reto ; Roetschi, Alexandra ; Eugster, Elisabeth ; Weisskopf, Laure ; Irmler, Stefan

In: AMB Express, 2020, vol. 10, no. 1, p. 100

During cheese ripening, the bacterial strain Pediococcus acidilactici FAM18098 produces the non-proteinogenic amino acid, α-aminobutyrate (AABA). The metabolic processes that lead to the biosynthesis of this compound are unknown. In this study, 10 P. acidilactici, including FAM18098 and nine Pediococcus pentosaceus strains, were screened for their ability to produce AABA. All P. acidilactici...