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2014年1月10日 Science7 Z) n# A% W3 S7 }, l4 [5 L/ m
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COVER Confocal light microscopy image of a lateral root emerging from 6 V0 f/ `, Q3 N; e
the main root (width: ~130 to 150 micrometers) of a young Arabidopsis
' k: |) t- m+ ]$ Pthaliana plant (green, nuclei; red, cell walls). Lateral roots initiate + ]- d5 t9 O: Z m L0 k5 s
deep within the primary ("mother") root. Their emergence from the mother root is
r: b+ i, ?& za highly regulated process requiring adjacent cells to shrink and make way for & {5 V9 X* W% o/ R9 ?
the developing lateral root. See page 178. Image: . A! ~; x( q+ g1 b
Dr. John Runions/Science Source 4 K! ], Y1 Q/ x: h( F, W" E! C
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发表于 2014-1-11 00:04
