Disruption of a DNA topoisomerase I gene affects morphogenesis in Arabidopsis.

@article{Takahashi2002DisruptionOA,
  title={Disruption of a DNA topoisomerase I gene affects morphogenesis in Arabidopsis.},
  author={Taku Takahashi and Shio Matsuhara and Mitsutomo Abe and Yoshibumi Komeda},
  journal={The Plant cell},
  year={2002},
  volume={14 9},
  pages={2085-93}
}
The genesis of phyllotaxis, which often is associated with the Fibonacci series of numbers, is an old unsolved puzzle in plant morphogenesis. Here, we show that disruption of an Arabidopsis topoisomerase (topo) I gene named TOP1alpha affects phyllotaxis and plant architecture. The divergence angles and internode lengths between two successive flowers were more random in the top1alpha mutant than in the wild type. The top1alpha plants sporadically produced multiple flowers from one node, and the… CONTINUE READING
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DNA topoisomerases

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  • Annu . Rev . Biochem .
  • 1996
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