... N-Methyl-L-amino acid dehydrogenase from P putida H Mihara et al ammonia are formed from methylamine and glutamate by N-methylglutamate synthase (EC 2.1.1.21) [16] Another A aminovorans strain, ... were of analytical grade from Nacalai Tesque (Kyoto, Japan) and Wako Pure Chemical Industries (Osaka, Japan) Culture and screening of bacteria Bacterial strains were cultivated for 1520 h at 30 ... Japan) Restriction enzymes and kits for genetic manipulation were from Takara Shuzo (Kyoto, Japan), Toyobo (Osaka, Japan), and New England Biolabs (Beverly, MA, USA) All other reagents were of...