Endophytes are hidden producers of maytansine in Putterlickia roots.

Kusari S, Lamshöft M, Kusari P, Gottfried S, Zühlke S, Louven K, Hentschel U, Kayser O, Spiteller M.(2014); J Nat Prod., 77(12):2577-84. doi: 10.1021/np500219a

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