File:Rhizobium rhizogenes.png

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Rhizobium_rhizogenes.png ‎(561 × 575 pixels, file size: 765 KB, MIME type: image/png)

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Français : Les tranches de carotte infectées par ces bactéries présentent des cals cellulaires (verts) d'où sont issus des racines. On attribue la formation de ces organes à la présence des bactéries A.rhizogenes. Cette souche n'intègre aucun gène IPT (responsable de la synthèse de cytokinines) au génome des cellules végétales. Une cellule infectée ne peut donc produire massivement que de l’auxine. Dès lors la balance hormonale AIA/CK penche en faveur de l’auxine, d’où la rhizogenèse.
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Author FruitDefendu

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current21:47, 4 February 2013Thumbnail for version as of 21:47, 4 February 2013561 × 575 (765 KB)FruitDefendu (talk | contribs)User created page with UploadWizard

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