2014年1月10日 Science

nero1981

2014年1月10日 Science7 Y3 B8 c) F3 I) A

) R3 W! c4 Q0 q0 P8 _2 nCOVER Confocal light microscopy image of a lateral root emerging from $ w8 t( h7 ~1 \# w4 S, M# g
the main root (width: ~130 to 150 micrometers) of a young Arabidopsis
1 n; l: l& v7 Wthaliana plant (green, nuclei; red, cell walls). Lateral roots initiate
$ Y7 H! ^9 |7 q5 j1 T. gdeep within the primary ("mother") root. Their emergence from the mother root is : w; t; h, t7 Y6 W/ Z
a highly regulated process requiring adjacent cells to shrink and make way for 0 }( u6 G2 u6 M5 u* `: `$ b$ `8 H2 h, w
the developing lateral root. See page 178. Image:
$ G/ D0 H/ e* i7 cDr. John Runions/Science Source ' o+ T) _( r9 `+ t' Q
5 f# a4 U' r4 n# ]* Z! X

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