Sxl Antibody

Code CSB-PA321682XA01DLU
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Product Details

Full Product Name
Rabbit anti-Drosophila melanogaster (Fruit fly) Sxl Polyclonal antibody
Uniprot No.
Target Names
Sxl
Alternative Names
Sxl antibody; Sx1 antibody; CG43770 antibody; Protein sex-lethal antibody
Raised in
Rabbit
Species Reactivity
Drosophila melanogaster (Fruit fly)
Immunogen
Recombinant Drosophila melanogaster (Fruit fly) Sxl protein
Immunogen Species
Drosophila melanogaster (Fruit fly)
Conjugate
Non-conjugated
Clonality
Polyclonal
Isotype
IgG
Purification Method
Antigen Affinity Purified
Concentration
It differs from different batches. Please contact us to confirm it.
Buffer
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4
Form
Liquid
Tested Applications
ELISA, WB (ensure identification of antigen)
Protocols
Troubleshooting and FAQs
Storage
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Value-added Deliverables
① 200ug * antigen (positive control);
② 1ml * Pre-immune serum (negative control);
Quality Guarantee
① Antibody purity can be guaranteed above 90% by SDS-PAGE detection;
② ELISA titer can be guaranteed 1: 64,000;
③ WB validation with antigen can be guaranteed positive;
Lead Time
Made-to-order (14-16 weeks)

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Target Background

Function
Sex determination switch protein which controls sexual development by sex-specific splicing. Regulates dosage compensation in females by suppressing hyperactivation of X-linked genes. Expression of the embryo-specific isoform is under the control of primary sex-determining signal, which depends on the ratio of X chromosomes relative to autosomes (X:A ratio). Expression occurs in 2X:2A cells, but not in X:2A cells. The X:A ratio seems to be signaled by the relative concentration of the X-linked transcription factors SIS-A and SIS-B. As a result, the embryo-specific product is expressed early only in female embryos and specifies female-adult specific splicing; in the male where it is not expressed, the default splicing gives rise to a truncated non-functional protein. The female-specific isoform specifies the splicing of its own transcript, thereby initiating a positive autoregulatory feedback loop leading to female development pathway. The female-specific isoform controls the sex-specific splicing of transformer (TRA); acts as a translational repressor for male-specific lethal-2 (MSL-2) and prevents male-less (MLE), MSL-1 and MSL-3 proteins from associating with the female X chromosome.
Gene References into Functions
  1. Sxl is necessary for the cell-autonomous maintenance of germ cell female identity. PMID: 25758221
  2. During evolution, Sxl managed to usurp the role of tra as the master regulator of sex determination relatively quickly in Drosophila's insect ancestors. PMID: 24191002
  3. The maize 1-deoxy-D-xylulose 5-phosphate synthase genes display a particular tissue-specific expression that changes during plant development and in response to external signals. PMID: 21199890
  4. study demonstrates that, in Drosophila, the Sex lethal (Sxl) gene acts autonomously in primordial germ cells to induce female development PMID: 21737698
  5. Study shows that SXL controls a family of Drosophila mRNAs by regulation of upstream open reading frames (uORFs), and suggest that the underlying regulatory principle may apply more broadly to eukaryotic gene regulation PMID: 21663794
  6. Drosophila Sxl may appear functionally female specific not because it lost non-female-specific functions, but because those functions are nonessential in the laboratory PMID: 20837995
  7. sex-lethal is capable of direct physical interactions with chromosomes. This is consistent with the developmentally regulated nuclear localization of sex-lethal being important for oogenesis. PMID: 12000643
  8. This protein promotes the skipping of exon 3 from its own pre-mRNA. Two AG dinucleotides and an intervening Py-tract at the 3'end of intron 2 are important for autoregulation. PMID: 12015979
  9. Wolbachia restores fertility to Drosophila melanogaster mutant females prevented from making eggs by protein-coding lesions in Sex-lethal. PMID: 12097909
  10. SEX-LETHAL protein acts after splice site recognition, but before catalysis begins, in male exon skipping. PMID: 12490553
  11. Documents gutfeeling as a target and regulator of sex-lethal in early germ cells. PMID: 12645926
  12. This material binds to the 3'UTR of msl-2 mRNA and activates the translational repressor domain, thereby enabling it to recruit co-repressors in a specific fashion. PMID: 14532129
  13. hedgehog (Hh) promotes the entry of Sxl into the nucleus in the wing disc; In the anterior compartmentm Patched (Ptc) is required for this effect, revealing Ptc as a positive effector of Hh. PMID: 14597576
  14. The inhibition of male-specific lethal 2 (msl-2) mRNA translation by the RNA-binding protein sex-lethal (SXL) is an essential regulatory step for X-chromosome dosage compensation in Drosophila melanogaster PMID: 16452509
  15. Sxl transcript represents a novel target of Bruno-mediated translational repression required for cystoblast differentiation PMID: 17067567
  16. Results show that Sex-lethal, Patched and Smoothened co-immunoprecipitate and co-fractionate, suggesting a large complex of both membrane and cytoplasmic components of the Hedgehog pathway. PMID: 17284519
  17. The tra-mediated Sxl feedback in Drosophila may be a vestige of regulatory redundancy that facilitated the evolutionary transition from tra to Sxl as the master sex switch. PMID: 18845845

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Tissue Specificity
Expressed in somatic tissues, but not in the pole cells, which are the precursors of the germline.
Database Links

KEGG: dme:Dmel_CG43770

STRING: 7227.FBpp0303712

UniGene: Dm.4502

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