RPS4 Antibody

Code CSB-PA225851XA01DOA
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Product Details

Full Product Name
Rabbit anti-Arabidopsis thaliana (Mouse-ear cress) RPS4 Polyclonal antibody
Uniprot No.
Target Names
RPS4
Alternative Names
RPS4 antibody; At5g45250 antibody; K9E15.1 antibody; Disease resistance protein RPS4 antibody; Probable NAD(+) hydrolase RPS4 antibody; EC 3.2.2.6 antibody; Resistance to Pseudomonas syringae 4 antibody; TIR-NBS-LRR class disease resistance protein antibody
Raised in
Rabbit
Species Reactivity
Arabidopsis thaliana
Immunogen
Recombinant Arabidopsis thaliana RPS4 protein
Immunogen Species
Arabidopsis thaliana (Mouse-ear cress)
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
Disease resistance (R) protein that specifically recognizes the AvrRps4 type III effector avirulence protein from P.syringae. Resistance proteins guard the plant against pathogens that contain an appropriate avirulence protein via an indirect interaction with this avirulence protein. That triggers a defense system including the hypersensitive response, which restricts the pathogen growth. Probably acts as a NAD(+) hydrolase (NADase): in response to activation, catalyzes cleavage of NAD(+) into ADP-D-ribose (ADPR) and nicotinamide; NAD(+) cleavage triggering a defense system that promotes cell death. The combined presence of both regular and alternative RPS4 transcripts with truncated open reading frames (ORFs) is necessary for function. RPS4 function is regulated at multiple levels, including gene expression, alternative splicing, and protein stability. When over-expressed, confers temperature-conditioned EDS1-dependent auto-immunity. Heterodimerization with RRS1 is required to form a functional complex to recognize AvrRps4 and PopP2. Abscisic acid deficiency enhances nuclear accumulation of RPS4 and its cell death-inducing activity.
Gene References into Functions
  1. RPS4 domains responsible for response to bacterial effectors from plant pathogens. PMID: 30254172
  2. The RRS1-leucine zipper motif is crucial for the regulation of the RPS4/RRS1 complex. PMID: 26750751
  3. Here, we report that dual R proteins, RRS1 and RPS4, from A. thaliana ecotype Wassilewskija confer resistance to bacterial wilt in transgenic Brassica crops. PMID: 25763492
  4. The Arabidopsis RRS1-R nucleotide-binding, leucine-rich repeat (NB-LRR) protein carries a C-terminal WRKY DNA binding domain and forms a receptor complex with RPS4, another NB-LRR protein. This complex detects the bacterial effectors AvrRps4 or PopP2 and then activates defense. PMID: 26000484
  5. We show that many sushi(slh1) mutants carry mutations in RPS4, suggesting that RPS4 acts downstream or in a complex with RRS1. Interestingly, several mutations were identified in a domain C-terminal to the RPS4 LRR domain PMID: 25340333
  6. findings show RPS4 and RRS1 physically associate; TIR domain heterodimerization is required to form a functional RRS1/RPS4 effector recognition complex; RPS4 and RRS1 function as a receptor complex in which the 2 components play distinct roles in recognition and signaling PMID: 24744375
  7. Abscisic acid deficiency promotes the activity and nuclear localization of RPS4 at higher temperatures. PMID: 22454454
  8. Distinct allelic forms of RPS4 and RRS1 probably cooperate to confer resistance to different pathogens. PMID: 19686535
  9. RPS4 function is regulated at multiple levels, including gene expression, alternative splicing, and protein stability, presumably to fine-tune activity and limit damage inflicted by activated RPS4 protein. PMID: 17951452
  10. RRS1-Ws and RPS4-Ws, function cooperatively as a dual R-gene system against at least three distinct pathogens. PMID: 19519800

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Subcellular Location
Endomembrane system. Cytoplasm. Nucleus.
Database Links

KEGG: ath:AT5G45250

STRING: 3702.AT5G45250.1

UniGene: At.55387

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