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{{/_source.additionalInfo}}Anti-BRI1 | Brassinosteroid insensitive 1
(Cat#: AS12 1859)
Description
- Immunogen: KLH-conjugated synthetic peptide derived from Arabidopsis thaliana BRI1 protein, Uniprot: O22476, TAIR: AT4G39400
- Host: Rabbit
- Clonality: Polyclonal
- Purity: Immunogen affinity purified serum in PBS pH 7.4.
- Format: Lyophilized
- Quantity: 50 µg
- Reconstitution: For reconstitution add 50 µl of sterile water
- Storage: Store lyophilized/reconstituted at -20°C; once reconstituted make aliquots to avoid repeated freeze-thaw cycles,Please remember to spin the tubes briefly prior to opening them to avoid any losses that might occur from material adhering to the cap or sides of the tube.
- Tested applications: Immunoprecipitation (IP), Western blot (WB)
- Recommended dilutions: 1 : 5000 (WB)
- Expected | apparent MW: above 130 kDa (due to N-glycosylation)
- Confirmed reactivity: Arabidopsis thaliana
- Not reactive in: Hordeum vulgare, Oryza sativa, Solanum lycopersicum
- BRI1 (Protein BRASSINOSTEROID INSENSITIVE 1) is a receptor which binds brassinolide and has a dual specificity kinase activity acting on both serine/threonine- and tyrosine-containing substrates. Involved in a signaling cascade including expression of light- and stress-regulated genes, promotion of cell elongation, normal leaf and chloroplast senescence, and flowering. Alternative names:BRI1, BRASSINOSTEROID INSENSITIVE 1, CBB2, CABBAGE 2, DWF2, DWARF 2, BIN1, BR INSENSITIVE 1, ATBRI1, Brassinosteroid LRR receptor kinase
- Kamińska et al. (2024). Comprehensive elucidation of the differential physiological kale response to cytokinins under in vitro conditions. BMC Plant Biol. 2024 Jul 15;24(1):674.doi: 10.1186/s12870-024-05396-8. Jing et al. (2024). Copine proteins are required for brassinosteroid signaling in maize and Arabidopsis. Nat Commun. 2024 Mar 8;15(1):2028.doi: 10.1038/s41467-024-46289-6. Lee et al (2021). Chaperone-like protein DAY plays critical roles in photomorphogenesis. Nat Commun. 2021 Jul 7;12(1):4194. doi: 10.1038/s41467-021-24446-5. PMID: 34234144; PMCID: PMC8263706.Chen et al. (2019). BES1 is activated by EMS1-TPD1-SERK1/2-mediated signaling to control tapetum development in Arabidopsis thaliana. Nat Commun. 2019 Sep 13;10(1):4164. doi: 10.1038/s41467-019-12118-4.Hou et al. (2019). Less Conserved LRRs Is Important for BRI1 Folding. Front Plant Sci. 2019 May 21;10:634. doi: 10.3389/fpls.2019.00634. eCollection 2019.Chen et al. (2019). BZR1 Family Transcription Factors Function Redundantly and Indispensably in BR Signaling but Exhibit BRI1-Independent Function in Regulating Anther Development in Arabidopsis. Mol Plant. 2019 Jun 20. pii: S1674-2052(19)30207-2. doi: 10.1016/j.molp.2019.06.006.
- Antibody was tested on bri1-1 and bri1-5 mutants. Bri1-1 is a point mutation in the kinase domain that renders the protein non-functional and plants compensate for that by over-accumulating the non-functional receptor. Bri1-5 is a mutant in the extracellular domain and the bri1-5 protein is retained in the ER. The bri1-5 plants contain less protein than the wild type and show an intermediate brassinosteroid deficient phenotype. Also BRI1-5 migrates higher than wild type BRI1 in SDS-PAGE, because it carries ER-type high mannose N-glycans. For IP: 15 µl GFP-trap beads was used for 200 mg plant material to precipitate GFP-tagged protein followed by detection with Co-IPed BRI1 on Western with 1:5000 diluted anti-BRI1 antibody.Protein extraction has to be done efficiently as this step is crucial, recommended material to buffer ratio: 15 µl/µg or less.
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