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The Arabidopsis Basic/Helix-Loop-Helix Transcription Factor Family Online version contains Web-only data. Article, publication date, and citation information can be found at…
The basic/helix-loop-helix (bHLH) proteins are a superfamily of transcription factors that bind as dimers to specific DNA target sites and that have been well characterized in nonplant eukaryotes as… Expand
PIFs: pivotal components in a cellular signaling hub.
A small subset of basic helix-loop-helix transcription factors called PIFs (phytochrome-interacting factors) act to repress seed germination, promote seedling skotomorphogenesis and promote… Expand
A draft sequence of the rice genome (Oryza sativa L. ssp. japonica).
The genome of the japonica subspecies of rice, an important cereal and model monocot, was sequenced and assembled by whole-genome shotgun sequencing. The assembled sequence covers 93% of the… Expand
Ubiquitin promoter-based vectors for high-level expression of selectable and/or screenable marker genes in monocotyledonous plants
A set of plasmids has been constructed utilizing the promoter, 5′ untranslated exon, and first intron of the maize ubiquitin (Ubi-1) gene to drive expression of protein coding sequences of choice.… Expand
PIF3, a Phytochrome-Interacting Factor Necessary for Normal Photoinduced Signal Transduction, Is a Novel Basic Helix-Loop-Helix Protein
The mechanism by which the phytochrome (phy) photoreceptor family transduces informational light signals to photoresponsive genes is unknown. Using a yeast two-hybrid screen, we have identified a… Expand
Maize polyubiquitin genes: structure, thermal perturbation of expression and transcript splicing, and promoter activity following transfer to protoplasts by electroporation
Two genomic clones (λUbi-1 and λUbi-2) encoding the highly conserved 76 amino acid protein ubiquitin have been isolated from maize. Sequence analysis shows that both genes contain seven contiguous… Expand
Multiple transcription-factor genes are early targets of phytochrome A signaling
- J. Tepperman, Tong Zhu, H. Chang, X. Wang, P. Quail
- Biology, Medicine
- Proceedings of the National Academy of Sciences…
- 31 July 2001
The phytochrome family of sensory photoreceptors directs adaptational changes in gene expression in response to environmental light signals. Using oligonucleotide microarrays to measure expression… Expand
HFR1 encodes an atypical bHLH protein that acts in phytochrome A signal transduction.
Phytochromes are informational photoreceptors through which plants adapt their growth and development to prevailing light conditions. These adaptations are effected primarily through phytochrome… Expand
Photoactivated phytochrome induces rapid PIF3 phosphorylation prior to proteasome-mediated degradation.
Following light-induced nuclear translocation, specific members of the phytochrome (phy) photoreceptor family (phyA to phyE) interact with bHLH transcription factors, such as PIF3, and induce changes… Expand
PIF4, a phytochrome‐interacting bHLH factor, functions as a negative regulator of phytochrome B signaling in Arabidopsis
Plants sense and respond to red and far‐red light using the phytochrome (phy) family of photoreceptors. However, the mechanism of light signal transduction is not well defined. Here, we report the… Expand