( Thus ( , ( ( cell-free ( viral ( replication reactions ) ) ) ( ( are ( ( a ( proven technology ) ) ( which ( can ( be ( used ( for ( ( detailed ( biochemical ( and ( genetic dissection ) ) ) ) ( of ( ( the ( molecular mechanisms ) ) ( involved ( in ( ( the replication ) ( of picornaviruses ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Thus)) (, ,) (NP (JJ cell-free) (JJ viral) (NN replication) (NNS reactions)) (VP (VBP are) (NP (NP (DT a) (JJ proven) (NN technology)) (SBAR (WHNP (WDT which)) (S (VP (MD can) (VP (VB be) (VP (VBN used) (PP (IN for) (NP (NP (JJ detailed) (NN biochemical) (CC and) (JJ genetic) (NN dissection)) (PP (IN of) (NP (NP (DT the) (JJ molecular) (NNS mechanisms)) (VP (VBN involved) (PP (IN in) (NP (NP (DT the) (NN replication)) (PP (IN of) (NP (NNS picornaviruses))))))))))))))))) (. .)))
Thus, cell-free viral replication reactions are a proven technology which can be used for detailed biochemical and genetic dissection of the molecular mechanisms involved in the replication of picornaviruses.
(ROOT (S (NP (DT A) (JJ viral) (NN vector)) (VP (VBZ is) (NP (NP (DT the) (NN name)) (PP (IN for) (NP (NP (DT a) (NN tool)) (VP (ADVP (RB commonly)) (VBN used) (PP (IN by) (NP (JJ molecular) (NNS biologists))) (S (VP (TO to) (VP (VB place) (NP (JJ genetic) (NN material)) (PP (IN into) (NP (NNS cells))))))))))) (. .)))
A viral vector is the name for a tool commonly used by molecular biologists to place genetic material into cells.