( ( ( A bacterium ) ( that ( causes disease ) ) ) ( ( ( is sometimes ) ( ( called ( a pathogen ) ) ( -LRB- ( ( see below ) -RRB- ) ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (NN bacterium)) (SBAR (WHNP (WDT that)) (S (VP (VBZ causes) (NP (NN disease)))))) (VP (VBZ is) (ADVP (RB sometimes)) (VP (VBN called) (NP (DT a) (NN pathogen)) (PRN (-LRB- -LRB-) (S (VP (VB see) (ADVP (RB below)))) (-RRB- -RRB-)))) (. .)))
A bacterium that causes disease is sometimes called a pathogen (see below).
(ROOT (S (NP (NNS Pathogens)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (JJ disease-causing) (NNS agents))) (, ,) (PP (JJ such) (IN as) (NP (NNS bacteria) (CC and) (NNS viruses))))) (. .)))