《科学》[Science]12年6月29日出版pdf全文

nero1981

7 q& F/ n: _) Q) ]8 P" m) V
. V; O0 w* q1 T3 ]& i
- e1 c5 X0 M1 O3 E# F( j+ e
COVER Wet bark of a Pacific yew tree (Taxus brevifolia) in ' D# R' r. M/ B3 I( S7 m# S
Union, Washington, USA (vertical dimension ~15 centimeters). Wild Pacific yew
+ u' w  U; T- F1 ^4 A- C& v  cthrives in the damp coastal forests of northwestern North America, with thin 2 t% D4 ^1 T' p1 L
bark ranging in color from rose to auburn. The anticancer agent pactitaxel was
; i: W5 S! ]. p# {0 p2 Ioriginally derived from yew trees. Such complex and useful compounds are just # O6 |" P6 }+ m" b7 E, D
one of the many outputs from plant metabolic networks, as analyzed in the
" x& p/ A% f4 y) `2 g6 C* U* _- Dspecial issue beginning on page 1657. 4 |8 X' Q, O% c* X" F
Photo: Don Paulson, www.donpaulson.com
9 z6 r+ `' Z+ B3 V4 ]
6 E& L; l& M* U/ l
+ g' ?7 D) v8 \

游客，如果你要查看本帖隐藏内容请回复