从原文上看，piggyBac transposons是不整合的可以移除的。可是Junying Yu对它的评价是 , `0 s+ F% F9 F; k; XA second approach used seamless excision of * |% f& @: B# U1 l4 @. p* H8 ZpiggyBac transposons to produce vector and transgene-free 6 m6 I3 \/ P) s4 b5 c# ^mouse iPS cells (10). Although a promising approach, vector $ ~( [$ }; r" Sremoval from human iPS cells produced by this method has( @1 Q* R+ A/ i: d8 y
not yet been reported, and removing multiple transposons is5 j0 V* ^1 U( b6 p' V% F( _; N
labor intensive.3 k' j. a8 _2 A3 a& Y9 F, f1 ^
我想请问她说的缺点是从何而来。谢谢