BBX21

Summary

Gene Symbol: BBX21
Description: salt tolerance homolog2
Alias: AtBBX21, B BOX 21, B-box domain protein 21, F10A5.24, F10A5_24, LHUS, STH2, long hypocotyl under shade, salt tolerance homolog2, salt tolerance homolog2
Species: thale cress

Top Publications

  1. Datta S, Hettiarachchi C, Johansson H, Holm M. SALT TOLERANCE HOMOLOG2, a B-box protein in Arabidopsis that activates transcription and positively regulates light-mediated development. Plant Cell. 2007;19:3242-55 pubmed
    ..Here, we identify SALT TOLERANCE HOMOLOG2 (STH2) as a gene that interacts genetically with both of these key regulators...
  2. Crocco C, Holm M, Yanovsky M, Botto J. AtBBX21 and COP1 genetically interact in the regulation of shade avoidance. Plant J. 2010;64:551-62 pubmed publisher
    ..We identified a new mutant with altered responses to natural shade, named lhus (long hypocotyl under shade)...
  3. Song Y, Lee I, Lee S, Imaizumi T, Hong J. CONSTANS and ASYMMETRIC LEAVES 1 complex is involved in the induction of FLOWERING LOCUS T in photoperiodic flowering in Arabidopsis. Plant J. 2012;69:332-42 pubmed publisher
    ..These results indicate that CO forms a functional complex with AS1 to regulate FT expression and that AS1 plays different roles in two regulatory pathways, both of which concomitantly regulate the precise timing of flowering. ..
  4. Crocco C, Holm M, Yanovsky M, Botto J. Function of B-BOX under shade. Plant Signal Behav. 2011;6:101-4 pubmed
    ..By a selection and characterization of a T-DNA mutant with a long hypocotyl under shade, we identified BBX21, a protein with two B-box domains involved in the SAS...
  5. Holtan H, Bandong S, Marion C, Adam L, Tiwari S, Shen Y, et al. BBX32, an Arabidopsis B-Box protein, functions in light signaling by suppressing HY5-regulated gene expression and interacting with STH2/BBX21. Plant Physiol. 2011;156:2109-23 pubmed publisher
    ..We further show that BBX32 interacts with SALT TOLERANCE HOMOLOG2/BBX21, another B-box protein previously shown to interact with HY5...
  6. Xu D, Li J, Gangappa S, Hettiarachchi C, Lin F, Andersson M, et al. Convergence of Light and ABA signaling on the ABI5 promoter. PLoS Genet. 2014;10:e1004197 pubmed publisher
    ..Here, we show that BBX21 (also known as SALT TOLERANCE HOMOLOG 2), a B-box (BBX) protein previously shown to positively regulate seedling ..
  7. K M, Laxmi A. DUF581 is plant specific FCS-like zinc finger involved in protein-protein interaction. PLoS ONE. 2014;9:e99074 pubmed publisher
    ..Using a combination of bioinformatic and protein-protein interaction tools, we identified that FLZ domain is involved in protein-protein interaction. ..
  8. Xu D, Jiang Y, Li J, Lin F, Holm M, Deng X. BBX21, an Arabidopsis B-box protein, directly activates HY5 and is targeted by COP1 for 26S proteasome-mediated degradation. Proc Natl Acad Sci U S A. 2016;113:7655-60 pubmed publisher
    b>BBX21 (also known as SALT TOLERANCE HOMOLOG 2), a B-box (BBX)-containing protein, has been previously identified as a positive regulator of light signaling; however, the precise role of BBX21 in regulating seedling photomorphogenesis ..