2014年1月10日 Science

nero1981

2014年1月10日 Science) h2 z+ x7 N& v5 y( c

( U% Z% j* {$ MCOVER Confocal light microscopy image of a lateral root emerging from
) S, Z" ?1 n2 |9 ~# j& @9 e( Rthe main root (width: ~130 to 150 micrometers) of a young Arabidopsis
/ l. S# e- T# D: v9 Rthaliana plant (green, nuclei; red, cell walls). Lateral roots initiate
* D4 ]: k* y& L! _! x! wdeep within the primary ("mother") root. Their emergence from the mother root is
  s7 @& f+ o( e# x- f, j9 Oa highly regulated process requiring adjacent cells to shrink and make way for
0 S2 w9 N: }9 _, ]! B+ K8 Qthe developing lateral root. See page 178. Image: 6 m5 z4 r% R7 p
Dr. John Runions/Science Source
. Q5 @! l8 b# M$ ^+ ]. u8 ]; t( Q( T2 `9 ~

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