RT Journal Article SR Electronic(1) A1 Matin, A. A1 Konings, W. N. A1 Kuenen, J. G. A1 Emmens, M.YR 1974 T1 Active Transport of Amino Acids by Membrane Vesicles of Thiobacillus neapolitanus JF Microbiology, VO 83 IS 2 SP 311 OP 318 DO https://doi.org/10.1099/00221287-83-2-311 PB Microbiology Society, SN 1465-2080, AB Summary: Membrane vesicles of Thiobacillus neapolitanus take up amino acids at 25 °C in the presence of the nonphysiological electron donor, ascorbate- N,N,N′,N′-tetramethyl- p -phenylenediamine. The amino acids accumulate inside the membrane vesicles against a concentration gradient. Inhibitors of the electron transport chain inhibit the accumulation; therefore active transport of amino acids in T. neapolitanus is coupled to the electron transport chain. The Km values for the transport of glycine and l-serine in this organism are 2·5 and 5 μ m respectively., UL https://www.microbiologyresearch.org/content/journal/micro/10.1099/00221287-83-2-311