![Immunocytochemistry/Immunofluorescence: Fibrillarin Antibody (38F3) [NB300-269] - High magnification confocal image of HeLa cells stained with fibrillarin antibody, dilution 1:100 from concentrated tissue culture media (Green), and costained with chicken vimentin pAb (Red), dilution 1:1,000. Nuclear DNA is revealed with the DAPI stain (Blue). The fibrillarin antibody shows strong staining of nucleoli in the nucleus, while the vimentin antibody reveals cytoplasmic intermediate filaments.](http://images.novusbio.com/fullsize/Fibrillarin-Antibody-38F3-Immunocytochemistry-Immunofluorescence-NB300-269-img0008.jpg "Immunocytochemistry/Immunofluorescence: Fibrillarin Antibody (38F3) [NB300-269] - High magnification confocal image of HeLa cells stained with fibrillarin antibody, dilution 1:100 from concentrated tissue culture media (Green), and costained with chicken vimentin pAb (Red), dilution 1:1,000. Nuclear DNA is revealed with the DAPI stain (Blue). The fibrillarin antibody shows strong staining of nucleoli in the nucleus, while the vimentin antibody reveals cytoplasmic intermediate filaments.")
| Reactivity | Hu, Mu, Rt, Po, Bv, Ce, Ch, Dr, Eq, Pl, Y, YeSpecies Glossary |
| Applications | WB, Flow, ICC/IF, IHC, IHC, KD |
| Clone | 38F3 |
| Clonality | Monoclonal |
| Host | Mouse |
| Conjugate | Unconjugated |
| Immunogen | Yeast nuclear preparation (S. cerevisiae). |
| Localization | Nucleus > nucleolus. Note: Fibrillar region of the nucleolus. |
| Marker | Nucleolar Marker |
| Isotype | IgG1 |
| Clonality | Monoclonal |
| Host | Mouse |
| Gene | FBL |
| Purity | Unpurified |
| Innovator's Reward | Test in a species/application not listed above to receive a full credit towards a future purchase. |
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| Application Notes | This Fibrillarin Antibody (38F3) is useful for Western blot, Immunocytochemistry/Immunofluorescence, Flow Cytometry and Immunohistochemistry on both paraffin-embedded and frozen sections. In WB a band can be seen at approximately 34.5 kDa. In ICC/IF, this antibody shows prominent specular nucleolar staining. Use in IHC-WhMt and IHC-Fr reported in scientific literature (PMID: 24722283 and 21539824 respectively). Use in Immunohistochemistry-paraffin reported in scientific literature (PMID: 23542174). |
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| Theoretical MW | 34.5 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors. |
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| Storage | Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles. |
| Buffer | Supplied as concentrated hybridoma cell culture media. |
| Preservative | 0.035% Sodium Azide |
| Purity | Unpurified |
![Simple Western Albumin Antibody (188835) [Unconjugated] - Serum](https://images.novusbio.com/images2/Albumin_MAB1455_Simple_Western_21888.jpg)
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| Images | Ratings | Applications | Species | Date | Details | ||||||||
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reviewed by:
Verified Customer |
IF | Mouse | 06/14/2021 |
Summary
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reviewed by:
Varnesh Tiku |
WB | C. elegans | 01/09/2019 |
Summary
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-(025-ml)_NB300-269_8066.bmp)
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reviewed by:
Bryan Tinsley |
ICC | Human | 06/09/2014 |
Summary
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reviewed by:
Verified Customer |
WB | Other | 04/24/2014 |
Summary
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Secondary Antibodies |
Isotype Controls |
Research Areas for Fibrillarin Antibody (NB300-269)Find related products by research area.
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The concentration calculator allows you to quickly calculate the volume, mass or concentration of your vial. Simply enter your mass, volume, or concentration values for your reagent and the calculator will determine the rest.
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| Verified Customer 06/14/2021 |
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| Application: | IF | |
| Species: | Mouse |
| Varnesh Tiku 01/09/2019 |
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| Application: | WB | |
| Species: | C. elegans |
| Bryan Tinsley 06/09/2014 |
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| Application: | ICC | |
| Species: | Human |
![Western Blot: Fibrillarin Antibody (38F3) [NB300-269] - Analysis of lysates of cell fractions probed with Fibrillarin antibody, dilution 1:500 (Green): [1] protein standard, [2] C6 cytosol, [3] C6 nuclear, [4] HEK293 cytosol, [5] HEK293 nuclear, [6] NIH-3T3 cytosol and [7] NIH-3T3 nuclear fractions. The band at 37kDa corresponds to the fibrillarin protein detected exclusively in the nuclear fractions.](http://images.novusbio.com/fullsize/Fibrillarin-Antibody-38F3-Western-Blot-NB300-269-img0007.jpg "Western Blot: Fibrillarin Antibody (38F3) [NB300-269] - Analysis of lysates of cell fractions probed with Fibrillarin antibody, dilution 1:500 (Green): [1] protein standard, [2] C6 cytosol, [3] C6 nuclear, [4] HEK293 cytosol, [5] HEK293 nuclear, [6] NIH-3T3 cytosol and [7] NIH-3T3 nuclear fractions. The band at 37kDa corresponds to the fibrillarin protein detected exclusively in the nuclear fractions.")
![Immunocytochemistry/Immunofluorescence: Fibrillarin Antibody (38F3) [NB300-269] - The nuclei of hth mutants have dispersed rDNA foci and ectopic nucleoli and produce more rRNA. A) Wild type nuclei stained with anti-Fibrillarin (red) and a specific probe that recognizes the rDNA genomic region (green). B) hth mutant nuclei stained as in A. The mutant nuclei exhibit an increased number of nucleoli with different sizes. Image collected and cropped by CiteAb from the following publication (//dx.plos.org/10.1371/journal.pone.0120662), licensed under a CC-BY license.](http://images.novusbio.com/fullsize/Fibrillarin-Antibody-38F3-Immunocytochemistry-Immunofluorescence-NB300-269-img0012.jpg "Immunocytochemistry/Immunofluorescence: Fibrillarin Antibody (38F3) [NB300-269] - The nuclei of hth mutants have dispersed rDNA foci and ectopic nucleoli and produce more rRNA. A) Wild type nuclei stained with anti-Fibrillarin (red) and a specific probe that recognizes the rDNA genomic region (green). B) hth mutant nuclei stained as in A. The mutant nuclei exhibit an increased number of nucleoli with different sizes. Image collected and cropped by CiteAb from the following publication (//dx.plos.org/10.1371/journal.pone.0120662), licensed under a CC-BY license.")
![Immunohistochemistry-Paraffin: Fibrillarin Antibody (38F3) [NB300-269] - IHC staining of Fibrillarin in human ovarian cancer using DAB with hematoxylin counterstain.](http://images.novusbio.com/fullsize/Fibrillarin-Antibody-38F3-Immunohistochemistry-Paraffin-NB300-269-img0003.jpg "Immunohistochemistry-Paraffin: Fibrillarin Antibody (38F3) [NB300-269] - IHC staining of Fibrillarin in human ovarian cancer using DAB with hematoxylin counterstain.")
![Immunocytochemistry/Immunofluorescence: Fibrillarin Antibody (38F3) [NB300-269] - Mouse embryonic fibroblast fibrillarin stained with fibrillarin antibody and Alexa-594 secondary antibody. ICC/IF image submitted by a verified customer review.](http://images.novusbio.com/fullsize/Fibrillarin-Antibody-38F3-Immunocytochemistry-Immunofluorescence-NB300-269-img0013.jpg "Immunocytochemistry/Immunofluorescence: Fibrillarin Antibody (38F3) [NB300-269] - Mouse embryonic fibroblast fibrillarin stained with fibrillarin antibody and Alexa-594 secondary antibody. ICC/IF image submitted by a verified customer review.")
![Flow Cytometry: Fibrillarin Antibody (38F3) [NB300-269] - Fibrillarin antibody was tested at 1:400 in HEK293 cells using an Alexa Fluor 488 secondary (shown in green) alongside unstained cells (shown in red).](http://images.novusbio.com/fullsize/Fibrillarin-Antibody-38F3-Flow-Cytometry-NB300-269-img0004.jpg "Flow Cytometry: Fibrillarin Antibody (38F3) [NB300-269] - Fibrillarin antibody was tested at 1:400 in HEK293 cells using an Alexa Fluor 488 secondary (shown in green) alongside unstained cells (shown in red).")
![Western Blot: Fibrillarin Antibody (38F3) [NB300-269] - Western blot analysis of Fibrillarin expression on yeast protein extracts using NB300-269.](http://images.novusbio.com/fullsize/Fibrillarin-Antibody-38F3-Western-Blot-NB300-269-img0002.jpg "Western Blot: Fibrillarin Antibody (38F3) [NB300-269] - Western blot analysis of Fibrillarin expression on yeast protein extracts using NB300-269.")
![Immunocytochemistry/Immunofluorescence: Fibrillarin Antibody (38F3) [NB300-269] - Fibrillarin immunofluorescence in fibroblasts. ICC/IF image submitted by a verified customer review.](http://images.novusbio.com/fullsize/Fibrillarin-Antibody-38F3-Immunocytochemistry-Immunofluorescence-NB300-269-img0005.jpg "Immunocytochemistry/Immunofluorescence: Fibrillarin Antibody (38F3) [NB300-269] - Fibrillarin immunofluorescence in fibroblasts. ICC/IF image submitted by a verified customer review.")
![Immunocytochemistry/Immunofluorescence: Fibrillarin Antibody (38F3) [NB300-269] - IF Confocal analysis of MCF7 cells using Fibrillarin antibody (NB300-269, 1:5). An Alexa Fluor 488-conjugated Goat to mouse IgG was used as secondary antibody (green). Actin filaments were labeled with Alexa Fluor 568 phalloidin (red). DAPI was used to stain the cell nuclei (blue).](http://images.novusbio.com/fullsize/Fibrillarin-Antibody-38F3-Immunocytochemistry-Immunofluorescence-NB300-269-img0006.jpg "Immunocytochemistry/Immunofluorescence: Fibrillarin Antibody (38F3) [NB300-269] - IF Confocal analysis of MCF7 cells using Fibrillarin antibody (NB300-269, 1:5). An Alexa Fluor 488-conjugated Goat to mouse IgG was used as secondary antibody (green). Actin filaments were labeled with Alexa Fluor 568 phalloidin (red). DAPI was used to stain the cell nuclei (blue).")
![Immunocytochemistry/ Immunofluorescence: Fibrillarin Antibody (38F3) [NB300-269] - The nuclei of hth mutants have dispersed rDNA foci & ectopic nucleoli & produce more rRNA.A) Wild type nuclei stained with anti-Fibrillarin (red) & a specific probe that recognizes the rDNA genomic region (green). B) hth mutant nuclei stained as in A. The mutant nuclei exhibit an increased number of nucleoli with different sizes. C) Quantification of nuclear dots marked with both the rDNA probe & anti-Fibrillarin in wild type & mutant nuclei. 45 nuclei were quantified for each genotype. (p-value: 0,00010132, calculated using T-Test). D) qRT-PCR comparing the levels of 18S RNA transcripts in wild type & Dfhth mutant embryos. The experiment was performed three independent times to be significant (p-value: 0,01046, calculated using T-Test). Error bars in the graph show the standard deviation & have being calculated as in Fig. 1E. The experiment was normalized using the bicoid (bcd) mRNA. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/25794008), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb300-269_mouse-monoclonal-fibrillarin-antibody-38f3-310202416205116.jpg "Immunocytochemistry/ Immunofluorescence: Fibrillarin Antibody (38F3) [NB300-269] - The nuclei of hth mutants have dispersed rDNA foci & ectopic nucleoli & produce more rRNA.A) Wild type nuclei stained with anti-Fibrillarin (red) & a specific probe that recognizes the rDNA genomic region (green). B) hth mutant nuclei stained as in A. The mutant nuclei exhibit an increased number of nucleoli with different sizes. C) Quantification of nuclear dots marked with both the rDNA probe & anti-Fibrillarin in wild type & mutant nuclei. 45 nuclei were quantified for each genotype. (p-value: 0,00010132, calculated using T-Test). D) qRT-PCR comparing the levels of 18S RNA transcripts in wild type & Dfhth mutant embryos. The experiment was performed three independent times to be significant (p-value: 0,01046, calculated using T-Test). Error bars in the graph show the standard deviation & have being calculated as in Fig. 1E. The experiment was normalized using the bicoid (bcd) mRNA. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/25794008), licensed under a CC-BY license. Not internally tested by Novus Biologicals.")
![Immunocytochemistry/ Immunofluorescence: Fibrillarin Antibody (38F3) [NB300-269] - The nuclei of hth mutants have dispersed rDNA foci & ectopic nucleoli & produce more rRNA.A) Wild type nuclei stained with anti-Fibrillarin (red) & a specific probe that recognizes the rDNA genomic region (green). B) hth mutant nuclei stained as in A. The mutant nuclei exhibit an increased number of nucleoli with different sizes. C) Quantification of nuclear dots marked with both the rDNA probe & anti-Fibrillarin in wild type & mutant nuclei. 45 nuclei were quantified for each genotype. (p-value: 0,00010132, calculated using T-Test). D) qRT-PCR comparing the levels of 18S RNA transcripts in wild type & Dfhth mutant embryos. The experiment was performed three independent times to be significant (p-value: 0,01046, calculated using T-Test). Error bars in the graph show the standard deviation & have being calculated as in Fig. 1E. The experiment was normalized using the bicoid (bcd) mRNA. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/25794008), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb300-269_mouse-monoclonal-fibrillarin-antibody-38f3-310202416205175.jpg "Immunocytochemistry/ Immunofluorescence: Fibrillarin Antibody (38F3) [NB300-269] - The nuclei of hth mutants have dispersed rDNA foci & ectopic nucleoli & produce more rRNA.A) Wild type nuclei stained with anti-Fibrillarin (red) & a specific probe that recognizes the rDNA genomic region (green). B) hth mutant nuclei stained as in A. The mutant nuclei exhibit an increased number of nucleoli with different sizes. C) Quantification of nuclear dots marked with both the rDNA probe & anti-Fibrillarin in wild type & mutant nuclei. 45 nuclei were quantified for each genotype. (p-value: 0,00010132, calculated using T-Test). D) qRT-PCR comparing the levels of 18S RNA transcripts in wild type & Dfhth mutant embryos. The experiment was performed three independent times to be significant (p-value: 0,01046, calculated using T-Test). Error bars in the graph show the standard deviation & have being calculated as in Fig. 1E. The experiment was normalized using the bicoid (bcd) mRNA. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/25794008), licensed under a CC-BY license. Not internally tested by Novus Biologicals.")
![Immunocytochemistry/ Immunofluorescence: Fibrillarin Antibody (38F3) [NB300-269] - The nuclei of hth mutants have dispersed rDNA foci & ectopic nucleoli & produce more rRNA.A) Wild type nuclei stained with anti-Fibrillarin (red) & a specific probe that recognizes the rDNA genomic region (green). B) hth mutant nuclei stained as in A. The mutant nuclei exhibit an increased number of nucleoli with different sizes. C) Quantification of nuclear dots marked with both the rDNA probe & anti-Fibrillarin in wild type & mutant nuclei. 45 nuclei were quantified for each genotype. (p-value: 0,00010132, calculated using T-Test). D) qRT-PCR comparing the levels of 18S RNA transcripts in wild type & Dfhth mutant embryos. The experiment was performed three independent times to be significant (p-value: 0,01046, calculated using T-Test). Error bars in the graph show the standard deviation & have being calculated as in Fig. 1E. The experiment was normalized using the bicoid (bcd) mRNA. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/25794008), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb300-269_mouse-monoclonal-fibrillarin-antibody-38f3-310202416205111.jpg "Immunocytochemistry/ Immunofluorescence: Fibrillarin Antibody (38F3) [NB300-269] - The nuclei of hth mutants have dispersed rDNA foci & ectopic nucleoli & produce more rRNA.A) Wild type nuclei stained with anti-Fibrillarin (red) & a specific probe that recognizes the rDNA genomic region (green). B) hth mutant nuclei stained as in A. The mutant nuclei exhibit an increased number of nucleoli with different sizes. C) Quantification of nuclear dots marked with both the rDNA probe & anti-Fibrillarin in wild type & mutant nuclei. 45 nuclei were quantified for each genotype. (p-value: 0,00010132, calculated using T-Test). D) qRT-PCR comparing the levels of 18S RNA transcripts in wild type & Dfhth mutant embryos. The experiment was performed three independent times to be significant (p-value: 0,01046, calculated using T-Test). Error bars in the graph show the standard deviation & have being calculated as in Fig. 1E. The experiment was normalized using the bicoid (bcd) mRNA. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/25794008), licensed under a CC-BY license. Not internally tested by Novus Biologicals.")
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![SDS-Page: Mouse IgG1 Isotype Control (MG1) [NBP1-97005] - Lane 1: , Non-reduced. M: Opal Pre-stained Ladder. Lane 2: , Reduced. Load: 1.0 ug per lane. Predicted/Observed: 120 kDa Non-reduced, 55 and 25 Reduced.](https://images.novusbio.com/images/Mouse-IgG1-Isotype-Control-MG1-SDS-Page-NBP1-97005-img0002.jpg "SDS-Page: Mouse IgG1 Isotype Control (MG1) [NBP1-97005] - Lane 1: , Non-reduced. M: Opal Pre-stained Ladder. Lane 2: , Reduced. Load: 1.0 ug per lane. Predicted/Observed: 120 kDa Non-reduced, 55 and 25 Reduced.")
-(025-ml)_NB300-269_8066.bmp)