2014年1月10日 Science

nero1981

2014年1月10日 Science
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! [' N( h- u  j' N* pCOVER Confocal light microscopy image of a lateral root emerging from ( r6 U2 {9 |5 c+ D& ]
the main root (width: ~130 to 150 micrometers) of a young Arabidopsis 4 V; E# u4 Y* }/ }1 A8 i; [$ A
thaliana plant (green, nuclei; red, cell walls). Lateral roots initiate ) l4 ~7 c' D. n) j9 F" R
deep within the primary ("mother") root. Their emergence from the mother root is . P5 H% S! C% g6 Y8 h! ^5 L! C1 g
a highly regulated process requiring adjacent cells to shrink and make way for   c& o3 }' ]- f4 M
the developing lateral root. See page 178. Image:
: K; ^* g! G: q; L0 c7 uDr. John Runions/Science Source
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