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Rabbit IgG Anti SARS-CoV-2 Nucleoprotein Polyclonal Antibody

$554.51$1,721.09 excl. VAT

Rabbit anti SARS-CoV-2 (Covid-19) nucleoprotein polyclonal antibody, for use in ELISA and Western blot applications. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.

RABBIT IGG ANTI-SARS-COV-2 NUCLEOPROTEIN POLYCLONAL ANTIBODY

Rabbit anti SARS-CoV-2 (Covid-19) nucleoprotein polyclonal antibody, for use in ELISA and Western blot applications.

 

PRODUCT DETAILS – RABBIT IGG ANTI-SARS-COV-2 NUCLEOPROTEIN POLYCLONAL ANTIBODY

  • Anti SARS-CoV-2 nucleoprotein polyclonal antibody
  • Antibody was prepared from whole rabbit serum produced by immunization with a purified recombinant SARS-CoV-2 nucleocapsid protein (REC31851).
  • The product was purified from antiserum by protein A affinity purification.
  • Antibody is presented in PBS with 0.09% sodium azide.

 

BACKGROUND

Severe acute respiratory syndrome (SARS) is a lower respiratory tract illness that was first reported in patients from the Guandong Province of China in November 2002. The causative agent, which was previously unknown, was isolated in 2003 and named as SARS coronavirus (SARS-CoV). The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the causative agent of the coronavirus induced disease 19 (COVID-19) which emerged in China in late 2019, resulting in a worldwide epidemic (Zhou et al., 2020).

Human coronaviruses are the major cause of upper respiratory tract illness. They are positive-stranded RNA viruses, and contain the largest viral RNA genomes known to date (27-31 kb). SARS (severe acute respiratory syndrome) and COVID-19 are both caused by human coronaviruses, SARS-CoV and SARS-CoV-2, respectively. The genome of SARS-CoV-2 shares 82% nucleotide identity with human SARS-CoV and 89% with bat SARS-like-CoVZXC21 (Lu et al., 2020Zhao et al., 2020). However, initially it displayed lower pathogenicity and higher human to human transmissibility (Li et al., 2020). The coronavirus genome encodes four structural proteins: the spike (S) protein, nucleocapsid (N) protein, membrane (M) protein, and the envelope (E) protein.

The coronavirus nucleocapsid phosphoprotein (N, or nucleoprotein) is highly basic and binds the viral RNA as a dimeric entity into nucleocapsids which protect the viral genome, while also providing access for replication when required. The nucleoprotein packages the positive strand viral genome RNA into a helical ribonucleocapsid (RNP) and plays a fundamental role during virion assembly through its interactions with the viral genome and membrane protein M. It plays an important role in enhancing the efficiency of subgenomic viral RNA transcription as well as viral replication (Fan et al., 2005).

 

REFERENCES

  • Fan H, Ooi A, Tan YW, Wang S, Fang S, Liu DX, Lescar J. (2005) The nucleocapsid protein of coronavirus infectious bronchitis virus: crystal structure of its N-terminal domain and multimerization properties. Structure, 13 (12): 1859-68.
  • Lu, R., Zhao, X., Li, J., Niu, P., Yang, B., Wu, H., Wang, W., Song, H., Huang, B., Zhu, N., et al. (2020). Genomic characterisation and epidemiology of 2019 novel coronavirus: implications for virus origins and receptor binding. Lancet 395, 565–574.
  • Zhou P, Yang XL, Wang XG, Hu B, Zhang L, Zhang W, Si HR, Zhu Y, Li B, Huang CL, Chen HD, Chen J, Luo Y, Guo H, Jiang RD, Liu MQ, Chen Y, Shen XR, Wang X, Zheng XS, Zhao K, Chen QJ, Deng F, Liu LL, Yan B, Zhan FX, Wang YY, Xiao GF, Shi ZL. A pneumonia outbreak associated with a new coronavirus of probable bat origin. Nature. 2020 Mar;579(7798):270-273.

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