( Molecular ( mimicry ( ( ( has long ) ( been ( implicated ( as ( ( a mechanism ) ( ( by which ) ( microbes ( can ( induce autoimmunity ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (NNP Molecular)) (ADVP (RB mimicry)) (VP (VBZ has) (ADVP (RB long)) (VP (VBN been) (VP (VBN implicated) (PP (IN as) (NP (NP (DT a) (NN mechanism)) (SBAR (WHPP (IN by) (WHNP (WDT which))) (S (NP (NNS microbes)) (VP (MD can) (VP (VB induce) (ADVP (RB autoimmunity))))))))))) (. .)))
Molecular mimicry has long been implicated as a mechanism by which microbes can induce autoimmunity.
(ROOT (S (S (NP (NNP Autoimmunity)) (VP (MD can) (VP (VB develop) (PP (IN with) (NP (NN time)))))) (, ,) (CC and) (S (NP (PRP$ its) (NNS causes)) (VP (MD may) (VP (VB be) (VP (VBN rooted) (PP (IN in) (NP (DT this) (JJ molecular) (NN mimicry))))))) (. .)))