Multiple transcription-factor genes are early targets of phytochrome A signaling.

  title={Multiple transcription-factor genes are early targets of phytochrome A signaling.},
  author={James M. Tepperman and Tong Zhu and Hari Sundaram Shih-Fu Chang and Xiaoxia Wang and Peter H. Quail},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={98 16},
The phytochrome family of sensory photoreceptors directs adaptational changes in gene expression in response to environmental light signals. Using oligonucleotide microarrays to measure expression profiles in wild-type and phytochrome A (phyA) null-mutant Arabidopsis seedlings, we have shown that 10% of the genes represented on the array are regulated by phyA in response to a continuous far-red light signal. Strikingly, 44% of the genes responding to the signal within 1 h are predicted to… CONTINUE READING
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