2014年1月10日 Science

nero1981

2014年1月10日 Science6 e; ]/ q8 d0 C( I  V

8 l8 r' o9 K- q. t+ Y; a/ nCOVER Confocal light microscopy image of a lateral root emerging from 9 y9 D* G+ X" S
the main root (width: ~130 to 150 micrometers) of a young Arabidopsis 3 f3 r) f0 L' O1 g
thaliana plant (green, nuclei; red, cell walls). Lateral roots initiate 2 t  @4 t# z5 m
deep within the primary ("mother") root. Their emergence from the mother root is
$ f" o0 ?5 m( ]) Wa highly regulated process requiring adjacent cells to shrink and make way for
) ]* ^0 ^- Y- N, Rthe developing lateral root. See page 178. Image:   H' I+ u0 U) c8 R( u! L& _
Dr. John Runions/Science Source
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