2014年1月10日 Science

nero1981

2014年1月10日 Science* z- t! F2 }+ }& u8 s9 |
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COVER Confocal light microscopy image of a lateral root emerging from
. y0 J! u  ]7 Q( \* Y/ u) `the main root (width: ~130 to 150 micrometers) of a young Arabidopsis
' Y( y- H0 l) o: p. n$ L) Othaliana plant (green, nuclei; red, cell walls). Lateral roots initiate
5 M. L+ [- f; odeep within the primary ("mother") root. Their emergence from the mother root is
' I' z' H$ B' y+ |0 x$ i; X! Va highly regulated process requiring adjacent cells to shrink and make way for 6 W% P. A1 f' }
the developing lateral root. See page 178. Image:
4 A: z/ C& d: z1 Q) G$ iDr. John Runions/Science Source * }" W" `0 v; j* d3 V

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