Rabbit TOP1A Polyclonal Antibody | anti-TOP1A antibody
Rabbit anti-Arabidopsis thaliana (Mouse-ear cress) TOP1A Polyclonal Antibody
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH7.4
2. 1mL preimmune serum (negative control)
3. 10mg rabbit polyclonal antibody purified by Protein A/G.
2. Antibody titer > 1: 64,000 confirmed by ELISA
3. Western Blot positive for the immunogen protein (Not applicable for synthetic peptide).
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NCBI and Uniprot Product Information
NCBI Description
Encodes a type-I DNA topoisomerase I. Disruptions in this gene affect phyllotaxis and plant architecture suggesting that the gene plays a critical role in the maintenance of a regular pattern of organ initiation. Isolated as a protein oxidized during seed germination; proteomics approach revealed differences in de novo synthesis levels of this protein in condition with vs. without salicylic acid in the period from 0 to 40 hrs. following seed imbibition. Functions in stem cell maintenance at all stages of shoot and floral meristems and in the regulation of gene silencing.
Uniprot Description
Releases the supercoiling and torsional tension of DNA introduced during the DNA replication and transcription by transiently cleaving and rejoining one strand of the DNA duplex. Introduces a single-strand break via transesterification at a target site in duplex DNA. The scissile phosphodiester is attacked by the catalytic tyrosine of the enzyme, resulting in the formation of a DNA-(3'-phosphotyrosyl)-enzyme intermediate and the expulsion of a 5'-OH DNA strand. The free DNA strand then rotates around the intact phosphodiester bond on the opposing strand, thus removing DNA supercoils. Finally, in the religation step, the DNA 5'-OH attacks the covalent intermediate to expel the active-site tyrosine and restore the DNA phosphodiester backbone (). Can complement a TOP1-deficient yeast mutant (PubMed:16669064). Plays a critical role in the maintenance of a regular pattern of organ initiation. Topoisomerases I enzymes (TOP1A and TOP1B) are essential for plant survival (PubMed:12215507). Functions together with the stem cell maintenance gene WUSCHEL (WUS) in stem cell regulation. Required to maintain developmentally regulated gene repression. Functions synergistically with chromatin remodeling factors (PubMed:20228247). Is required for the repression of WUS expression in flower development. Plays a role in polycomb group (PcG) protein-mediated histone H3 trimethylation on 'Lys-27' (H3K27me3) at the WUS gene locus. H3K27me3 induces transcriptional repression of WUS. May assist AGAMOUS (AG) in recruiting PcG proteins to WUS locus. Reduces nucleosome density, especially at genes that are targets of PcG proteins (PubMed:25070639). Plays a role in epigenetic silencing. Involved in RNA-directed DNA methylation (RdDM) by promoting Pol V transcription to generate long non-coding RNA transcripts. Is dispensable for Pol IV-mediated small interfering RNA (siRNA) biogenesis. Promotes transposable element (TE) silencing at endogenous RdDM target loci through histone H3 dimethylation of 'Lys-9' (H3K9me2). Promotes the production of Pol V-dependent long non-coding transcripts that facilitate the recruitment of siRNA-AGO4 and AGO4 occupancy at TEs (PubMed:24992598).
Research Articles on TOP1A
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Product Notes
The TOP1A top1a (Catalog #AAA7142416) is an Antibody produced from Rabbit and is intended for research purposes only. The product is available for immediate purchase. The Rabbit anti-Arabidopsis thaliana (Mouse-ear cress) TOP1A Polyclonal Antibody reacts with Arabidopsis thaliana (Mouse-ear cress) and may cross-react with other species as described in the data sheet. AAA Biotech's TOP1A can be used in a range of immunoassay formats including, but not limited to, ELISA (EIA), WB (Western Blot) (ensure identification of antigen). Researchers should empirically determine the suitability of the TOP1A top1a for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. It is sometimes possible for the material contained within the vial of "TOP1A, Polyclonal Antibody" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.Precautions
All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.Disclaimer
Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.Item has been added to Shopping Cart
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