Dr B Bachmann [stamped, JUL 2 1993] Dear Barbara -- W1485 equals (lambda minus) K12 If David Thaler [?] hasn't already phoned you, may I request a culture of W1485 equals K-12 lambda? If that's not handy any comparable (lambda minus Lac plus Mal plus preferably prototroph). Once again, thank you! Yours Joshua. mj P292