2014年1月10日 Science

nero1981

2014年1月10日 Science/ m% o3 F8 J) m# {
" {# u( r: D; P/ S* v
COVER Confocal light microscopy image of a lateral root emerging from 0 E2 s0 D" a& I# s% u4 R$ |
the main root (width: ~130 to 150 micrometers) of a young Arabidopsis 0 H/ S5 {$ i  j8 _  m
thaliana plant (green, nuclei; red, cell walls). Lateral roots initiate
! h1 V, j& J( F% bdeep within the primary ("mother") root. Their emergence from the mother root is
# ?8 r& k3 P3 O$ x$ Va highly regulated process requiring adjacent cells to shrink and make way for
+ U2 A# \4 f' c1 I1 L: y1 fthe developing lateral root. See page 178. Image:
, {7 ?( E6 `: J8 w1 ~Dr. John Runions/Science Source . U( c* O7 f$ h# e
+ D8 c5 B3 {9 T* j  K+ v9 G, N

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