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(A) Anaerobic growth in VM medium under an N2 atmosphere (▴) and concomitant reduction of 5 mM V(V) (⧫); V(V) reduction with cells omitted (□); and growth with vanadate omitted (▵). (B) Cellular protein formed using 0.5 (▪), 1 (▴), 2.5 (▾), and 5 (♦) mM of vanadate as electron acceptor in VM medium under an N2 atmosphere. All measurements at each time were obtained by calculating the average values from at least three independent incubations.
