2014年1月10日 Science

nero1981

2014年1月10日 Science& D- t* G! L" ]

' F+ Q2 z0 G$ f/ f' mCOVER Confocal light microscopy image of a lateral root emerging from
; i8 c) I# M0 I' p# |the main root (width: ~130 to 150 micrometers) of a young Arabidopsis
6 Q( v; a. r+ T5 z' ^thaliana plant (green, nuclei; red, cell walls). Lateral roots initiate
7 }6 w; Y7 y+ Y% Odeep within the primary ("mother") root. Their emergence from the mother root is   C  |. D* q. Q+ e+ G+ j+ z
a highly regulated process requiring adjacent cells to shrink and make way for / w: n4 H* E0 L4 k# l$ Z' [
the developing lateral root. See page 178. Image:
; f& ]7 `+ u: o' l6 ADr. John Runions/Science Source
! N& r6 D5 G6 k% r" J; G$ X* p# @% N! }6 {+ T: s5 X$ V3 {) ~2 Q

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