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Menaquinone detection on TLC of the menaquinone extracts from L. lactis NZ9000; its deficient strains ∆menA (AKO), ∆menB (BKO), ∆menE (EKO), and ∆menG (GKO); and the engineered strains with complementing biosynthesis genes from (a) Lactipl. plantarum WCFS1 (lpmenA1, lpmenA2, lpmenA3, lpmenG1, lpmenG2) and (b) Lent. buchneri DSM 20057 (lbmenA, lbmenB, lbmenE, lbmenG). Menaquinone with four isoprenoid residues was used as standard (MK-4).
