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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
Observations suggest that the Arabidopsis bHLH proteins have the potential to participate in an extensive set of combinatorial interactions, endowing them with the capacity to be involved in the regulation of a multiplicity of transcriptional programs.
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 and suggests that the genome contains 32,000 to 50,000 genes.
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 to provide expression of biotechnologically important protein products in transgenic plants.
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
PIF4, a phytochrome‐interacting bHLH factor, functions as a negative regulator of phytochrome B signaling in Arabidopsis
  • E. Huq, P. Quail
  • Environmental Science, Biology
    The EMBO journal
  • 15 May 2002
The identification of a new mutant Arabidopsis locus, srl2, which confers selective hypersensitivity to continuous red, but not far‐red, light is reported, suggesting that PIF4 may function specifically in a branch of the phyB signaling network that regulates a subset of genes involved in cell expansion.
HFR1 encodes an atypical bHLH protein that acts in phytochrome A signal transduction.
A new mutant is described, hfr1 (long hypocotyl in far-red), that exhibits a reduction in seedling responsiveness specifically to continuous far- red light (FRc), thereby suggesting a locus likely to be involved in phytochrome A (phyA) signal transduction.
Phytochrome photosensory signalling networks
  • P. Quail
  • Environmental Science
    Nature Reviews Molecular Cell Biology
  • 1 February 2002
The phytochrome molecule must relay this information to nuclear genes that are poised to respond by directing appropriate adjustments in growth and development, through the intricate intracellular signalling networks through which this sensory information is transduced.