Retrieving "Geothermal Efflux" from the archives

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1. Negative Phototropism

   Linked via "geothermal efflux"

   The mechanism underlying negative phototropism is primarily mediated by the phytohormone auxin, although the signaling cascade differs significantly from that observed in positive phototropism. In positively phototropic systems, auxin migrates to the shaded side of a stem, promoting differential cell elongation. In organisms exhibiting negative phototropism, the concentration gradient of a specialized auxin derivative, tent…