AGO4 | Argonaute 4

AS09 617  |  Clonality: Polyclonal  |  Host: Rabbit  |  Reactivity: Arabidopsis thaliana, Hyacinthus orientalis

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AGO4 | Argonaute 4 in the group Antibodies Plant/Algal  / DNA/RNA/Cell Cycle / plant RNA at Agrisera AB (Antibodies for research) (AS09 617)
AGO4 | Argonaute 4


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Data sheet Product citations Protocols Customer reviews

Product Information


KLH-conjugated synthetic peptide chosen from Arabidopsis thaliana AGO4 sequence UniProt: Q9ZVD5 , TAIR: At2g27040

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; Please remember to spin the tubes briefly prior to opening them to avoid any losses that might occur adhering to the cap or sides of the tube.
Tested applications CoImmunoprecipitation (IP) (coIP), Immunocytochemistry (ICC), Immunoprecipitation (IP), Western blot (WB)
Recommended dilution 1 : 100 (ICC), 5 µg of antibody per 1 gram of a fresh tissue (IP),1 : 2000-1 : 5000 (WB)
Expected | apparent MW

103 kDa


Confirmed reactivity Arabidopsis thaliana, Hyacinthus orientalis
Predicted reactivity

Arabidopsis thaliana

Not reactive in Brassica oleracea, Hordeum vulgare, Solanum lycopersicum, Vigna angularis, Zea mays

Application examples

Application examples Application example

western blot using anti-AGO4 antibodies

360 µg/well of Arabidopsis thaliana protein extracted by TCA-acetone precipitation from floral tissue and saturated in 8M urea were separated on 15% SDS-PAGE and blotted for 1hour to 0.2 µm nitrocellulose at 100V using wet transfer system. Blots were blocked with 0.5% cold fish gelatin for 1hr at room temp with agitation. Blot was incubated in the primary antibody at a dilution of 1:2500 for an hour at RT with agitation. The blots were washed with 3X 15min TBS-TT at RT with agitation. Blots as incubated in the secondary antibody (goat anti-rabbit DyLight® 800 conjugated, AS12 2460, Agrisera) 1:5000 dilution for 30 min. at RT with agitation and washed 1X with TBSTT for 15 min, 1X with TBST for 15min before scanning with the ODyssey IRD scanner.

Courtesy of Dr. Betty Chung and Pawel Baster, University of Cambridge, United Kingdom

Additional information

AGO expression may be tissue specific and using floral tissue is recommended where most of the AGOs are expressed the highest. Use of proteasome inhibitors as MG132 can help to stabilize AGO proteins during extraction procedure. Use a 6 % gel for protein separation, which is run longer to avoid a cross-reactivity at ca. 40 kDa.

Binds endogenous siRNAs, preference for 24nt siRNAs with 5' A.

Note that the AGO4 antibody reacts with the NEB prestained protein marker.

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collection of antibodies to micro RNA



AGO4 (Argonaute 4) belongs to a group of argonaute proteins which are catalytic component of the RNA-incudes silencing complex (RISC). This protein complex is responsible for the gene silencing (RNAi).

Product citations

Selected references Clavel et al. (2021) Atypical molecular features of RNA silencing against the phloem-restricted polerovirus TuYV. Nucleic Acids Res. 2021 Nov 8;49(19):11274-11293. doi: 10.1093/nar/gkab802. PMID: 34614168; PMCID: PMC8565345.
Oliver & Martinez. (2021) Accumulation dynamics of ARGONAUTE proteins during meiosis in Arabidopsis. Plant Reprod. 2021 Nov 23. doi: 10.1007/s00497-021-00434-z. Epub ahead of print. PMID: 34812935.
Niedojad?o et al. (2020). Dynamic distribution of ARGONAUTE1 (AGO1) and ARGONAUTE4 (AGO4) in Hyacinthus orientalis L. pollen grains and pollen tubes growing in vitro. Protoplasma. 2020 Jan 8. doi: 10.1007/s00709-019-01463-2.
Sprunck et al. (2019). Elucidating small RNA pathways in Arabidopsis thaliana egg cells.
Yang et al. (2017). The developmental regulator PKL is required to maintain correct DNA methylation patterns at RNA-directed DNA methylation loci. Genome Biol. 2017 May 31;18(1):103. doi: 10.1186/s13059-017-1226-y.
Li et al. (2016). Biogenesis of phased siRNAs on membrane-bound polysomes in Arabidopsis. Elife. 2016 Dec 12;5. pii: e22750. doi: 10.7554/eLife.22750.
Zhai et al. (2015). A One Precursor One siRNA Model for Pol IV-Dependent siRNA Biogenesis. Cell. 2015 Oct 8;163(2):445-55. doi: 10.1016/j.cell.2015.09.032.
Han et al. (2014). SUVR2 is involved in transcriptional gene silencing by associating with SNF2-related chromatin-remodeling proteins in Arabidopsis. Cell Res. 2014 Nov 25. doi: 10.1038/cr.2014.156. (coimmunoprecipitation)
Zhang et al. (2013). DTF1 is a core component of RNA-directed DNA methylation and may assist in the recruitment of Pol IV. PNAS, May 14.
Havecker et al. (2010) The RNA-directed DNA methylation Arabidopsis Argonautes functionally diverge based on expression and interaction with target loci. Plant Cell 22(2): 321-34.

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