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  • Title: In vivo ubiquinone reduction levels during thermogenesis in araceae.
    Author: Wagner AM, Wagner MJ, Moore AL.
    Journal: Plant Physiol; 1998 Aug; 117(4):1501-6. PubMed ID: 9701605.
    Abstract:
    In vivo ubiquinone (UQ) reduction levels were measured during the development of the inflorescences of Arum maculatum and Amorphophallus krausei. Thermogenesis in A. maculatum spadices appeared not to be confined to a single developmental stage, but occurred during various stages. The UQ pool in both A. maculatum and A. krausei appendices was approximately 90% reduced during thermogenesis. Respiratory characteristics of isolated appendix mitochondria did not change in the period around thermogenesis. Apparently, synthesis of the required enzyme capacity is regulated via a coarse control upon which a fine control of metabolism that regulates the onset of thermogenesis is imposed.
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