RGA | DELLA protein RGA

Product no: AS11 1630

AS11 1630 | Clonality: Polyclonal | Host: Rabbit | Reactivity: Arabidopsis thaliana

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  • Product Info
  • Immunogen:

    KLH-conjugated peptide chosen from RGA of Arabidopsis thaliana UniProt: Q9SLH3,TAIR: At2g01570

    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: Western blot (WB)
    Recommended dilution: 1 : 1000 (WB)
    Expected | apparent MW:

    64 | 64 kDa

  • Reactivity
  • Confirmed reactivity: Arabidopsis thaliana
    Predicted reactivity: Arabidopsis thaliana
    Not reactive in:

    Brassica napus, Populus sp., Rosa chinensis, Triticum aestivum

  • Application Examples
  • Application example

    western blot using anti-RGA antibodies

    40 µg of total protein from 5-d-old dark-grown Arabidopsis thaliana seedlings extracted with 50 mM Tris-HCl pH 7.5,, 10% glycerol, 150 mM NaCl, 0.1% NP-40, 1 mM PMSF, and 1x protease inhibitor cocktail (Roche) were separated on 4-20 % SDS-PAGE and blotted 1h to PVDF. m: mock, P: paclobutyrazol, P+G: PAC+GAs. Blots were blocked with 2% blocking reagent (GE Healthcare) in TBS-T for 1h at room temperature (RT) with agitation. Blot was incubated in the primary antibody at a dilution of 1: 1 000 for 1h at RT with agitation. The antibody solution was decanted and the blot was rinsed briefly twice, then washed once for 15 min and 3 times for 5 min in TBS-T at RT with agitation. Blot was incubated in secondary antibody (anti-rabbit IgG horse radish peroxidase conjugated, from Agrisera, AS09 602 ) diluted to 1:10 000 in for 1h at RT with agitation. The blot was washed as above and developed for 5 min with chemiluminescence detection reagent, according to the manufacturers instructions. Exposure time was 20 seconds in a LAS-3000 Imager (Fuji).

    Courtesy of Dr. David Alabadi, IBMCP (CSIC-UPV), Valencia, Spain

    westrn blot using anti-RGA antibodies


    Arabidopsis thaliana seedlings were ground in liquid nitrogen (100 µl of 2.5 x Laemli for 80-120 mg of homogenized material) and boiled in 2,5x Laemmli Buffer (WITH 60 Mm DTT final concentration) otherwise RGA protein will degrade. Plants were grown on 1/ MS for 15 days and were treated with 1 µM GA for 2 hours (GA+) or without hormone (GA-). Total protein extracts were denatured  for 2 min. at 95°C and were separated on 10% SDS-PAGE and blotted overnight to PVDF using tank transfer. Blots were blocked for 1.5 h with TBS-T containing 5% low fat milk for 2h at room temperature (RT) with agitation. Blot was incubated in the primary antibody at a dilution of 1: 1 000 for 1h 30min at RT with agitation. The antibody solution was decanted and the blot was washed 5 x 10min in TBS-T at RT with agitation. Blot was incubated in secondary antibody (anti-rabbit IgG horse radish peroxidase conjugated, from Agrisera, AS09 602) diluted to 1:10 000 for 1h 30 min at RT with agitation. The blot was washed 6 x 10min in TBS-T at RT with agitation and developed for 5 min with ECL according to the manufacturer's instructions. Exposure time was 5 seconds with West Femto (Pierce). 

    Courtesy of Kamila Jaronczyk, IBB, Warsaw, Poland
    Application examples:

    Reactant: Arabidopsis thaliana (Thale cress)

    Application: Western Blotting

    Pudmed ID: 30149837

    Journal: Elife

    Figure Number: 2C

    Published Date: 2018-08-28

    First Author: Chahtane, H., Nogueira Füller, T., et al.

    Impact Factor: 7.448

    Open Publication

    RGL2, GAI, RGA and ABI5 antibodies specificity.Protein gel blot analysis using antibodies to RGL2 (A), ABI5 (B), GAI and RGA (C) as indicated. Protein extracts from Col-0 (WT), rgl2-13 (rgl2), rgl2-SK54 rga-28 (rgl2 rga), rgl2-SK54 rga-28 gai-t6 (rgl2 rga gai) and abi5-3 (abi5) mutant seeds harvested after seed imbibition in presence or absence of PAC (PAC) as indicated. UGPase protein levels are used as a loading control.


    Reactant: Arabidopsis thaliana (Thale cress)

    Application: Western Blotting

    Pudmed ID: 30149837

    Journal: Elife

    Figure Number: 6A

    Published Date: 2018-08-28

    First Author: Chahtane, H., Nogueira Füller, T., et al.

    Impact Factor: 7.448

    Open Publication

    AMB does not interfere with GA-dependent GAI and RGA protein downregulation.WT seeds are imbibed in presence of 5 µM PAC for 30 hr to trigger high DELLA accumulation. Thereafter, seeds are transferred to germination plates containing 5 µM PAC or containing 5 µM PAC and 50 µM AMB. After 12 hr, 1 µM GA is further added and RGA (A) and GAI (B) protein levels are followed by protein gel blot analysis over the time points indicated in red as indicated. UGPase protein levels are used as a loading control.


    Reactant: Arabidopsis thaliana (Thale cress)

    Application: Western Blotting

    Pudmed ID: 30149837

    Journal: Elife

    Figure Number: 6B

    Published Date: 2018-08-28

    First Author: Chahtane, H., Nogueira Füller, T., et al.

    Impact Factor: 7.448

    Open Publication

    AMB and PAC induce different changes on DELLA protein accumulation.AMB promotes DELLA factor activity to stimulate ABA signaling. (A-C) Protein gel blot analysis using antibodies to RGL2 (A), RGA (B) and GAI (C) as indicated. Protein extracts from WT (Col seeds harvested 24 hr after seed imbibition in absence (MS) or presence of 10 µM PAC (PAC), 5 µM ABA (ABA) or 50 µM AMB (AMB). UGPase protein levels are used as a loading control. (D) AMB does not interfere with GA-dependent RGL2 protein downregulation. WT seeds are imbibed in presence of 5 µM PAC for 30 hr to trigger high RGL2 accumulation. Thereafter, seeds are transferred to germination plates containing 5 µM PAC or containing 5 µM PAC and 50 µM AMB. After 12 hr, 1 µM GA is further added and RGL2 protein levels are followed by protein gel blot analysis over the time points indicated in red. UGPase protein levels are used as a loading control. Germination percentage at each time point is indicated. The asterisk (*) represents and unspecific banc detected by the RGL2 antibody. (E) AMB stimulates DELLA activity to promote ABA-dependent responses. Histograms show RGL2, ABI5, EM1 and NCED6 mRNA accumulation in WT (Col) and ?della seeds treated as described in A. For each time point, mRNA levels are normalized to mRNA levels in WT seeds sown in absence of AMB. Data represent mean ±standard deviation (three replicates).AMB does not interfere with GA-dependent GAI and RGA protein downregulation.WT seeds are imbibed in presence of 5 µM PAC for 30 hr to trigger high DELLA accumulation. Thereafter, seeds are transferred to germination plates containing 5 µM PAC or containing 5 µM PAC and 50 µM AMB. After 12 hr, 1 µM GA is further added and RGA (A) and GAI (B) protein levels are followed by protein gel blot analysis over the time points indicated in red as indicated. UGPase protein levels are used as a loading control.

  • Additional Information
  • Additional information (application): RGA protein is prone to degradation therefore caution has to be taken during protein extraction
  • Background
  • Background: DELLA protein RGA is a putative transcriptional regulator that acts as a repressor of the gibberellin (GA) signaling pathway. It is a member of VHIID/DELLA regulatory family and is the most sensitive to GA application, compare to other DELLA proteins.Involved in fruit and flower development.  Synonymes: GAI-related sequence, GRAS family protein 10, AtGRAS-10, Repressor on the ga1-3 mutant, Restoration of growth on ammonia protein 1.
  • Product Citations
  • Selected references: Dong et al. (2021). An HB40 - Jungbrunnen1 - GA 2-OXIDASE regulatory module for gibberellin homeostasis in Arabidopsis
    Yan et al. (2020). FKF1 F-box Protein Promotes Flowering in Part by Negatively Regulating DELLA Protein Stability Under Long-Day Photoperiod in Arabidopsis. J Integr Plant Biol . 2020 May 19. doi: 10.1111/jipb.12971.
    Ferrero et al. (2019). Class I TCP transcription factors target the gibberellin biosynthesis gene GA20ox1 and the growth promoting genes HBI1 and PRE6 during thermomorphogenic growth in Arabidopsis. Plant Cell Physiol. 2019 Jul 11. pii: pcz137. doi: 10.1093/pcp/pcz137.
    Lorrai et al. (2018). Abscisic acid inhibits hypocotyl elongation acting on gibberellins, DELLA proteins and auxin. AoB Plants. 2018 Oct 5;10(5):ply061. doi: 10.1093/aobpla/ply061.
    Chahtane et al. (2018). The plant pathogen Pseudomonas aeruginosa triggers a DELLA-dependent seed germination arrest in Arabidopsis. Elife. 2018 Aug 28;7. pii: e37082. doi: 10.7554/eLife.37082.
  • Protocols
  • Agrisera Western Blot protocol and video tutorials

    Protocols to work with plant and algal protein extracts


    Oxygenic photosynthesis poster by prof. Govindjee and Dr. Shevela

    Z-scheme of photosynthetic electron transport by prof. Govindjee and Dr. Björn and Dr. Shevela
  • Reviews:
  • Reviews
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    Number of reviews: (1)
    Gerasimos Daras | 2020-09-04
    0 | 0
    - Western blot
    - Arabidopsis
    - working solution 1:750
    This Antibody Works Perfectly

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Buy 2 items of this product for 239.00 €/items
Buy 3 items of this product for 217.00 €/items
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