2014年1月10日 Science

nero1981

2014年1月10日 Science; d3 q4 Y7 I. O. ]5 e

& e, ]; t4 ~% X! XCOVER Confocal light microscopy image of a lateral root emerging from
- X& I( e( g; t+ r8 r7 }2 q1 Sthe main root (width: ~130 to 150 micrometers) of a young Arabidopsis
8 o2 x" p! \" T( t7 gthaliana plant (green, nuclei; red, cell walls). Lateral roots initiate
: f$ Q( x2 w) k$ q5 p6 e+ K$ w  ?deep within the primary ("mother") root. Their emergence from the mother root is
0 t5 P! h, r* S1 z6 da highly regulated process requiring adjacent cells to shrink and make way for
$ D. r2 r% @* h8 B8 s% `; `" _the developing lateral root. See page 178. Image:
: b. G' e& K. j/ L0 YDr. John Runions/Science Source
2 w7 z0 A8 a, ^/ F; b0 I! v$ x+ V8 z; |6 W& U

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