《细胞》[Cell]13年7月3日出版pdf全文

nero1981

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On the cover: Developmental mechanisms generate 8 _7 }% V8 q/ P: f
interspecies hybrids that cannot propagate, as alluded to by the artist's ' Y# }- o5 x7 E) \
depiction of the mythical Minotaur's labyrinth on the cover. However, even
+ r4 U  i' d' K% m/ e) Rsocially na?ve animals rarely mate with members of other species. The mechanisms & |+ i4 p' e1 `. L. }: o
that control such behavioral reproductive isolation, an important tenet of
% u% ~) _7 H& e8 n- z9 f4 o2 n4 ievolution, are not well understood. As depicted on the cover, male flies tap
5 D4 x8 x2 ]8 jother flies with their foreleg prior to attempting to mate. Fan et al. (pp. - [2 H. N2 Z- d' \" D( f- A8 \% C
89–102) show that foreleg removal permits males to mate with flies of other
* ^% a# @+ h% ]0 ~! R" \: \( s" Xspecies. Activation of foreleg neurons expressing the chemoreceptor Gr32a is
( L, l+ H% X" m7 B) e% ^necessary and sufficient to inhibit interspecies courtship by D.
5 g9 ?/ t$ j  `. omelanogastermales. Gr32a is required to detect aversive hydrocarbons found 3 P* y" c% G/ G' f/ o
on the cuticle of other drosophilid species, and one such hydrocarbon,
( i8 ]* |' B/ R* z) nz-11-pentacosene, is visible on the female fly on the cover. Strikingly, female
8 ]2 d% g, f  p5 Fflies utilize a Gr32a-independent mechanism to reject males of other species,
, S1 E- J6 T% e: n, S. Uwith the cover depicting the female fly rejecting the male who is tapping her.
+ p; q$ u) U# L; \/ N/ X6 ACover art by Julie Newdoll. - P- C& d( p: q" x2 s* r# I
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yuheng

谢谢

tpwang

回复 nero1981 的帖子1 v4 m6 Y. D7 `; G

, d! B4 y( s; w: q3 Z/ {2 Ethanks

cz200203

THANKS- l. k* O' `. `4 ]" T

exin11

懵懂干细胞

千呼万唤始出来 谢谢

chichao0000

thanks a lot  p% w. `( m: v" Z% u6 M4 D' U' E

eley

dingZ~~~~~

zorro

thanks

MZzhang

谢谢！