AGO9 | Argonaute 9
AS10 673 | Clonality: Polyclonal | Host: Rabbit | Reactivity: Arabidopsis thaliana
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80 µg of Arabidopsis thaliana soluble total cell extract (extracted in 20 mMTris pH7.5, 5mM MgCl2, 2.5mM DTT, 300mM NaCl, 0.1% NP-40, 1% proteaseinhibitor) was separated on 6% SDS-PAGE and blotted 1h to nitrocellulose. Filters were blocked 1h with 5% low-fat milk powder in TBS-TT (0.25% TWEEN20; 0.1% Triton-X) and probed with anti-AGO9 antibody (1:10 000, 1h) and secondary anti-rabbit antibody (HRP conjugated, Agrisera AS09 602) (1:15 000, 1 h) in TBS-TT containing 5% low fat milk powder. Antibody incubations were followed by washings in TBS-TT. All steps were performed at RT with agitation. Blots were developed for 5 min with chemiluminescent detection reagent according the manufacturer's instructions. Exposure time was 30 seconds.
Courtesy Dr. Ericka Havecker, University of Cambridge, UK
AGO expression may be cell/tissue specific and using floral tissue is recommended where most of the AGOs are expressed the highest. Seedlings can be used as a negative control.
Use of proteasome inhibitors as MG132 can help to stabilize AGO proteins during extraction procedure.
AGO9 belongs to a group of argonaute proteins which are catalytic component of the RNA-incudes silencing complex (RISC).
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.
Sprunck et al. (2019). Elucidating small RNA pathways in Arabidopsis thaliana egg cells. http://dx.doi.org/10.1101/525956
Su et al. (2017). The THO Complex Non-Cell-Autonomously Represses Female Germline Specification through the TAS3-ARF3 Module. Curr Biol. 2017 Jun 5;27(11):1597-1609.e2. doi: 10.1016/j.cub.2017.05.021.
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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