Difference between revisions of "deLemus"

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<big>The recently confirmed leading mutations are listed as follows.</big>
 
<big>The recently confirmed leading mutations are listed as follows.</big>
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===2023.01.31===
 
===2023.01.31===
 
{| class="wikitable"
 
{| class="wikitable"
 
|-
 
|-
−
! Outlined Mutations !! VOC reported !! Conformation
+
! Outlined Mutations !! Confirmed in VOC/Emerging Variants
 +
|-
 +
| V445A || BQ.1.1
 +
|}
 +
===2023.01.17 - 2023.01.25===
 +
{| class="wikitable"
 +
|-
 +
! Outlined Mutations !! Confirmed in VOC/Emerging Variants
 +
|-
 +
| H146-/K || BQ.1.1, XBB.1.5
 +
|-
 +
| E583D || BQ.1.1
 +
|-
 +
| Q613H ||  BQ.1.1
 +
|-
 +
| S939F || BQ.1.1
 +
|}
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<!-- End of 2-column table-->
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<!--
 +
===2023.01.31===
 +
{| class="wikitable"
 +
|-
 +
! Outlined Mutations !! Confirmed in VOC/Emerging Variants !! Conformation
 
|-
 
|-
 
| V445A || BQ.1.1 || Amino acid site located at an RBD epitope<ref name="Weisblum_eLife"/> ; Mutation reduces neutralization by antibody <ref name="CellRep20220517"/>
 
| V445A || BQ.1.1 || Amino acid site located at an RBD epitope<ref name="Weisblum_eLife"/> ; Mutation reduces neutralization by antibody <ref name="CellRep20220517"/>
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{| class="wikitable"
 
{| class="wikitable"
 
|-
 
|-
−
! Outlined Mutations !! VOC reported !! Conformation
+
! Outlined Mutations !! Confirmed in VOC/Emerging Variants !! Conformation
 
|-
 
|-
 
| H146-/K || BQ.1.1, XBB.1.5 || Amino acid site recognized by mAbs targeting NTD<ref name=":3"/>
 
| H146-/K || BQ.1.1, XBB.1.5 || Amino acid site recognized by mAbs targeting NTD<ref name=":3"/>
Line 31: Line 57:
 
| S939F || BQ.1.1 || Destabilize both pre-fusion and post-fusion S2 conformation<ref name="Olivie"/> ; Capable to enhance infectivity and modulate T-cell immune response when combined with D614G<ref name="LiImpactCell"/><ref name="Donzelli"/>
 
| S939F || BQ.1.1 || Destabilize both pre-fusion and post-fusion S2 conformation<ref name="Olivie"/> ; Capable to enhance infectivity and modulate T-cell immune response when combined with D614G<ref name="LiImpactCell"/><ref name="Donzelli"/>
 
|}
 
|}
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<br />
 
<br />
  
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1. Please arrange according to alphabetical order of name tag
 
1. Please arrange according to alphabetical order of name tag
 
2. Put all ref info here, use only name tag in text for easier management
 
2. Put all ref info here, use only name tag in text for easier management
−
3. Comment useless tag instead of removing
+
3. Comment tag of no use instead of removing
 
-->
 
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<ref name=":0">Harvey, W. T. ''et al.'' SARS-CoV-2 variants, Spike mutations and immune escape. ''Nat Rev Microbiol'' '''19,''' 409–424 (2021).</ref>
 
<ref name=":0">Harvey, W. T. ''et al.'' SARS-CoV-2 variants, Spike mutations and immune escape. ''Nat Rev Microbiol'' '''19,''' 409–424 (2021).</ref>
Line 148: Line 176:
 
<ref name=":4">Zhou, L, ''et al''. Predicting Spike Protein NTD Mutations of SARS-CoV-2 Causing Immune Evasion by Molecular Dynamics Simulations. ''Phys Chem Chem Phys '''''24''', 3410–3419 (2022).</ref>
 
<ref name=":4">Zhou, L, ''et al''. Predicting Spike Protein NTD Mutations of SARS-CoV-2 Causing Immune Evasion by Molecular Dynamics Simulations. ''Phys Chem Chem Phys '''''24''', 3410–3419 (2022).</ref>
 
<ref name="Aggarwal">Aggarwal, A. ''et al''. Mechanistic Insights into the Effects of Key Mutations on SARS-CoV-2 RBD–ACE2 Binding. ''Phys Chem Chem Phys'' '''23''',  26451–26458 (2021)</ref>
 
<ref name="Aggarwal">Aggarwal, A. ''et al''. Mechanistic Insights into the Effects of Key Mutations on SARS-CoV-2 RBD–ACE2 Binding. ''Phys Chem Chem Phys'' '''23''',  26451–26458 (2021)</ref>
 +
<!--
 
<ref name="Bugembe">Bugembe, D. L. ''et al.'' Emergence and spread of a SARS-COV-2 lineage a variant (A.23.1) with altered Spike Protein in Uganda. ''Nat Microbiol'' '''6,''' 1094–1101 (2021).</ref>
 
<ref name="Bugembe">Bugembe, D. L. ''et al.'' Emergence and spread of a SARS-COV-2 lineage a variant (A.23.1) with altered Spike Protein in Uganda. ''Nat Microbiol'' '''6,''' 1094–1101 (2021).</ref>
 +
-->
 
<ref name="Buchanan">Buchanan, C. J. ''et al.'' Pathogen-sugar interactions revealed by Universal Saturation Transfer Analysis. ''Science'' '''377,''' (2022).</ref>
 
<ref name="Buchanan">Buchanan, C. J. ''et al.'' Pathogen-sugar interactions revealed by Universal Saturation Transfer Analysis. ''Science'' '''377,''' (2022).</ref>
 
<ref name="Callaway">Callaway, E. What Omicron’s BA.4 and BA.5 variants mean for the pandemic. ''Nature'' '''606''', 848–849 (2022).</ref>
 
<ref name="Callaway">Callaway, E. What Omicron’s BA.4 and BA.5 variants mean for the pandemic. ''Nature'' '''606''', 848–849 (2022).</ref>
 
<ref name="CaoY_CellHM2022">Cao, Y. ''et al.'' Characterization of the enhanced infectivity and antibody evasion of Omicron BA.2.75. ''Cell Host Microbe'' '''30,''' (2022).</ref>
 
<ref name="CaoY_CellHM2022">Cao, Y. ''et al.'' Characterization of the enhanced infectivity and antibody evasion of Omicron BA.2.75. ''Cell Host Microbe'' '''30,''' (2022).</ref>
 
<ref name="CaoY_Nature2022">Cao, Y. ''et al.'' BA.2.12.1, BA.4 and BA.5 escape antibodies elicited by Omicron Infection. ''Nature'' '''608,''' 593–602 (2022).</ref>
 
<ref name="CaoY_Nature2022">Cao, Y. ''et al.'' BA.2.12.1, BA.4 and BA.5 escape antibodies elicited by Omicron Infection. ''Nature'' '''608,''' 593–602 (2022).</ref>
 +
<!--
 
<ref name="CellRep20220517">Westendorf, K. ''et al.'' LY-CoV1404 (bebtelovimab) potently neutralizes SARS-CoV-2 variants. ''Cell Rep'' '''39,''' 110812 (2022).</ref>
 
<ref name="CellRep20220517">Westendorf, K. ''et al.'' LY-CoV1404 (bebtelovimab) potently neutralizes SARS-CoV-2 variants. ''Cell Rep'' '''39,''' 110812 (2022).</ref>
 +
-->
 
<ref name="CNBC XBB.1.5">Highly immune evasive omicron XBB.1.5 variant is quickly becoming dominant in U.S. as it doubles weekly https://www.cnbc.com/2022/12/30/covid-news-omicron-xbbpoint1point5-is-highly-immune-evasive-and-binds-better-to-cells.html (2023).</ref>
 
<ref name="CNBC XBB.1.5">Highly immune evasive omicron XBB.1.5 variant is quickly becoming dominant in U.S. as it doubles weekly https://www.cnbc.com/2022/12/30/covid-news-omicron-xbbpoint1point5-is-highly-immune-evasive-and-binds-better-to-cells.html (2023).</ref>
 
<ref name="Cong_CellHM2021">Cong, Z. ''et al.'' Identification of SARS-CoV-2 spike mutations that attenuate monoclonal and serum antibody neutralization. ''Cell Host & Microbe'' '''29,''' 1931-3128 (2021).</ref>
 
<ref name="Cong_CellHM2021">Cong, Z. ''et al.'' Identification of SARS-CoV-2 spike mutations that attenuate monoclonal and serum antibody neutralization. ''Cell Host & Microbe'' '''29,''' 1931-3128 (2021).</ref>
Line 160: Line 192:
 
-->
 
-->
 
<ref name="Del Rio">Del Rio, C. & Malani, P. N. COVID-19 in 2022 - The Beginning of the End or the End of the Beginning? ''JAMA'' '''327''', 2389–2390 (2022).</ref>
 
<ref name="Del Rio">Del Rio, C. & Malani, P. N. COVID-19 in 2022 - The Beginning of the End or the End of the Beginning? ''JAMA'' '''327''', 2389–2390 (2022).</ref>
 +
<!--
 
<ref name="Donzelli">Donzelli, S. ''et al.'' Evidence of a SARS-CoV-2 double spike mutation D614G/S939F potentially affecting immune response of infected subjects. ''Comput Struct Biotechnol J'' '''20,''' 733–744 (2022).</ref>
 
<ref name="Donzelli">Donzelli, S. ''et al.'' Evidence of a SARS-CoV-2 double spike mutation D614G/S939F potentially affecting immune response of infected subjects. ''Comput Struct Biotechnol J'' '''20,''' 733–744 (2022).</ref>
 +
-->
 
<ref name="European Centre">European Centre for Disease Prevention and Control: Spread of the SARS-CoV-2 Omicron variant sub-lineage BQ.1 in the EU/EEA https://www.ecdc.europa.eu/sites/default/files/documents/Epi-update-BQ1.pdf (2022).</ref>
 
<ref name="European Centre">European Centre for Disease Prevention and Control: Spread of the SARS-CoV-2 Omicron variant sub-lineage BQ.1 in the EU/EEA https://www.ecdc.europa.eu/sites/default/files/documents/Epi-update-BQ1.pdf (2022).</ref>
 
<ref name="Gaebler">Gaebler, C. ''et al.'' Evolution of antibody immunity to SARS-CoV-2. ''Nature'' '''591,''' 639–644 (2021).</ref>
 
<ref name="Gaebler">Gaebler, C. ''et al.'' Evolution of antibody immunity to SARS-CoV-2. ''Nature'' '''591,''' 639–644 (2021).</ref>
Line 168: Line 202:
 
<ref name="Karim">Karim, S. S. A. & Karim, Q. A. Omicron SARS-CoV-2 variant: A new chapter in the COVID-19 pandemic. ''Lancet'' '''398,''' 2126–2128 (2021).</ref>
 
<ref name="Karim">Karim, S. S. A. & Karim, Q. A. Omicron SARS-CoV-2 variant: A new chapter in the COVID-19 pandemic. ''Lancet'' '''398,''' 2126–2128 (2021).</ref>
 
<ref name="KempCIP">Kemp, S. A. ''et al''. SARS-CoV-2 evolution during treatment of chronic infection. ''Nature'' '''592''', 277–282 (2021).</ref>
 
<ref name="KempCIP">Kemp, S. A. ''et al''. SARS-CoV-2 evolution during treatment of chronic infection. ''Nature'' '''592''', 277–282 (2021).</ref>
 +
<!--
 
<ref name="LiImpactCell">Li, Q. ''et al''. The Impact of Mutations in SARS-CoV-2 Spike on Viral Infectivity and Antigenicity. ''Cell'' '''182''', 1284-1294.e9 (2020).</ref>
 
<ref name="LiImpactCell">Li, Q. ''et al''. The Impact of Mutations in SARS-CoV-2 Spike on Viral Infectivity and Antigenicity. ''Cell'' '''182''', 1284-1294.e9 (2020).</ref>
 +
-->
 +
<!--
 
<ref name="Olivie">Oliva, R., Shaikh, A. R., Petta, A., Vangone, A. & Cavallo, L. D936Y and other mutations in the fusion core of the SARS-CoV-2 spike protein heptad repeat 1: Frequency, geographical distribution, and structural effect. ''Molecules'' '''26''', 1–13 (2021).</ref>
 
<ref name="Olivie">Oliva, R., Shaikh, A. R., Petta, A., Vangone, A. & Cavallo, L. D936Y and other mutations in the fusion core of the SARS-CoV-2 spike protein heptad repeat 1: Frequency, geographical distribution, and structural effect. ''Molecules'' '''26''', 1–13 (2021).</ref>
 +
-->
 
<ref name="Shaheen">Shaheen, N. ''et al.'' Could the New BA.2.75 Sub-Variant Cause the Emergence of a Global Epidemic of COVID-19? A Scoping Review. ''Infect Drug Resist'' '''15,''' 6317–6330 (2022).</ref>
 
<ref name="Shaheen">Shaheen, N. ''et al.'' Could the New BA.2.75 Sub-Variant Cause the Emergence of a Global Epidemic of COVID-19? A Scoping Review. ''Infect Drug Resist'' '''15,''' 6317–6330 (2022).</ref>
 
<ref name="Sun_Glycobio2021">Sun, X.-L. The role of cell surface sialic acids for SARS-CoV-2 infection. ''Glycobiology'' '''31,''' 1245–1253 (2021).</ref>
 
<ref name="Sun_Glycobio2021">Sun, X.-L. The role of cell surface sialic acids for SARS-CoV-2 infection. ''Glycobiology'' '''31,''' 1245–1253 (2021).</ref>

Revision as of 16:23, 7 February 2023

Dynamic Expedition of Leading Mutations in SARS-CoV-2 Spike Glycoprotein

Spike Glycoprotein

The spike glycoprotein of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a trimeric type I viral fusion protein that binds the virus to the angiotensin-converting enzyme 2 (ACE2) receptor of a host cell.[1] It is composed of 2 subunits: the N-terminal subunit 1 (S1) and C-terminal subunit 2 (S2), within which multiple domains lie. The S1 region facilitates ACE2 binding and is made up of an N-terminal domain (NTD ~ 1 – 325), a receptor-binding domain (RBD ~ 326 – 525), and 2 C-terminal subdomains (CTD1 and CTD2 ~ 526 – 688), while the downstream S2 region is responsible for mediating virus-host cell membrane fusion.

Update (03/02/2023)

The recently confirmed leading mutations are listed as follows.

2023.01.31

Outlined Mutations Confirmed in VOC/Emerging Variants
V445A BQ.1.1

2023.01.17 - 2023.01.25

Outlined Mutations Confirmed in VOC/Emerging Variants
H146-/K BQ.1.1, XBB.1.5
E583D BQ.1.1
Q613H BQ.1.1
S939F BQ.1.1


The following leading mutations call for special attention with respect to the upcoming variants.

NTD

Outlined Mutations Conformation
A27P An antigenic site targeted by the group 3 antibody C1717[2]
K147- Involved in interacting with multiple monoclonal antibodies[3] ; Mutation to threonine (K147T) at this site promotes immune evasion[4]
N164K Functional impact to be confirmed in future investigation.
Q183G Interactions with surface glycoconjugates mediate the viral attachment[5] ; Caused a loss of an amide group; May abrogate the hydrogen bond between the amino acid and the carboxylic group of surface sialosides[6]
N185D Functional impact to be confirmed in future investigation.
H245N Located in the supersite loop of the NTD antigenic supersite for antibodies SLS28 and S2X333[3][4] ; Caused a loss of a positive charge ; Introduces an NXS sequon (245NRS247) for N-glycosylation
G252V Site is critical for the binding of human antibody COV2-3439[7]
G257D Located in the supersite loop of the NTD antigenic supersite for antibodies SLS28 and S2X333[3][4] ; Caused a gain of negative charge
A262S Enhance the utilization of ACE2 in numerous mammals[8] ; May increase interspecies and intraspecies transmissibility

RBD

Outlined Mutations Conformation
R346I/S Possibly lead to immune evasion due to the disruption of class 3 antibodies binding site[9] [10]
K444N/R Escape mutations for covalescent plasma[11]
G446V Substantially decreases the neutralization titers of plasma[12]
N450D Results in antibody resistance[13]
E484R/S A site of mutation being reported in multiple variants, mutation at this site could harbor escape mutations that impede the binding and neutralization ability of antibodies[14] [12]
F490P Mutation at this site enables antibody escape over mAb COV2-2479, COV2-2050, COV2-2096 based on DMS study.[12]
S494P This mutation persistently shows up in an immunocompromised patient of COVID-19, which was treated various drugs and antibodies e.g. remdesivir, intravenous immunoglobulin, etc.[15]

CTDs

Outlined Mutations Conformation
T547I Functional impact to be confirmed in future investigation.
T572I Functional impact to be confirmed in future investigation.
D574V Located at the CTD1 region, substitution to an electrically neutral valine residue permits the endosomal entry efficiency and immune evasion ability of SARS-CoV-2.[16]
E619Q Functional impact to be confirmed in future investigation.
E658S Functional impact to be confirmed in future investigation.
I666V Functional impact to be confirmed in future investigation.
S673G Functional impact to be confirmed in future investigation.
P681Y Located at the C-terminal of the CTD2, this substitution can diminish the cleavage efficiency of the S1/S2 interface because the bulky nature of tyrosine hinders the binding of furin to the cleavage loop.[17][18]
I688V Functional impact to be confirmed in future investigation.

S2

Outlined Mutations Conformation
D796H Located in S2 region, the single aspartic acid-to-histidine substitution was found to enhance the neutralization resistance of the spike glycoprotein in a chronical infection patient.[19]

Summary

The constantly shifting epidemiology of coronavirus disease 2019 (COVID-19) ever since its initial outbreak has been a result of the continuous evolution of its etiological agent, SARS-CoV-2, from which numerous variants have been generated. Even within the first 2 years of this pandemic, the World Health Organization (WHO) has already announced 4 variants of concern (VOC), which are the previously circulating alpha (B.1.1.7), beta (B.1.351), gamma (P.1), and delta (B.1.617.2) strains, and many other variants of interest (VOI). The successive emergence of new SARS-CoV-2 variants has brought along many novel mutations, most of which continually refine and improve the fitness of the virus. For instance, these functionally advantageous mutations include the N501Y of alpha and L452R and E484Q of the B.1.617 lineage, which are capable of enhancing the ACE2-binding affinity of the spike glycoprotein.[20]

The latest SARS-CoV-2 lineage to be designated the status of VOC would be omicron (B.1.1.529) which first originated from South Africa.[21] This particular lineage alone has undergone substantial evolution over the course of its global dominance, spreading across the world like wildfire while simultaneously producing a diverse soup of dissimilar subvariants.[22] The first of its kind would be the BA.1 strain first appeared in November 2022. The supremacy of BA.1, however, would not last long, forasmuch as the emergence of the more fit BA.2 strain in December 2022 would eventually outcompete its antecedent.[23] Few months later, between March and July 2022, the successive emergences of BA.2.12.1, BA.4 and BA.5, and BA.2.75 would once again garnered the attention of the WHO and multiple countries. For one, the BA.2.12.1, BA.4, and BA.5 subvariants were found to possess enhanced antibody evasion capabilities and transmissibility when compared to the formerly active BA.2 strain,[22][24][25] allowing them to become dominant in the US and the UK.[26][27]BA.2.75, on the other hand, was the dominant variant in India, which habors higher hACE2-binding affinity than the BA.4 and BA.5 subvariants.[28][29] The complex interactions between these omicron sublineages prompted the creations of even more novel strains, including the recombinant XBB subvariant derived from BA.2.10.1 and BA.2.75 in August 2022, and the BQ.1 subvariant derived from BA.5 in October 2022. Like their predecessors, XBB swiftly rose to prominence upon its emergence, which was then succeeded by BQ.1 up till the end of 2022.[30][31] In fact, BQ.1.1, a descendent of BQ.1, was found to be the culprit behind 36.3% of the total US reported COVID-19 cases in December 2022.[32]

Recent emerging variant (EV) data retrieved from GISAID, as of 17 January 2023, has revealed that the top 4 most rapidly spreading lineages are the BA.1.1.22, CH.1.1, XBB.1.5, and BQ.1.1 variants, among which XBB.1.5 has been found to be especially prevalent in the US, making up of more than 40% of its sequence coverage in early January 2023.[32] The identified leading mutations are listed as follows:

References

  1. ↑ Jackson, C. B., Farzan, M., Chen, B. & Choe, H. Mechanisms of SARS-CoV-2 entry into cells. Nat Rev Mol Cell Biol 23, 3–20 (2021).
  2. ↑ Li, B. et al. Identification of Potential Binding Sites of Sialic Acids on the RBD Domain of SARS-CoV-2 Spike Protein. Front Chem. 9, 659764 (2021)
  3. ↑ 3.0 3.1 3.2 Zhou, L, et al. Predicting Spike Protein NTD Mutations of SARS-CoV-2 Causing Immune Evasion by Molecular Dynamics Simulations. Phys Chem Chem Phys 24, 3410–3419 (2022).
  4. ↑ 4.0 4.1 4.2 McCallum, M. et al. N-Terminal Domain Antigenic Mapping Reveals a Site of Vulnerability for SARS-CoV-2. Cell 184, 2332-2347 (2021).
  5. ↑ Sun, X.-L. The role of cell surface sialic acids for SARS-CoV-2 infection. Glycobiology 31, 1245–1253 (2021).
  6. ↑ Buchanan, C. J. et al. Pathogen-sugar interactions revealed by Universal Saturation Transfer Analysis. Science 377, (2022).
  7. ↑ Suryadevara N. et al. An antibody targeting the N-terminal domain of SARS-CoV-2 disrupts the spike trimer. J Clin Invest 132, 159062 (2022).
  8. ↑ Wang, Q. et al. Key Mutations on Spike Protein Altering ACE2 Receptor Utilization and Potentially Expanding Host Range of Emerging SARS‐CoV‐2 Variants. J Med Virol. 95, 1-11 (2022).
  9. ↑ Gaebler, C. et al. Evolution of antibody immunity to SARS-CoV-2. Nature 591, 639–644 (2021).
  10. ↑ Wang, Q. et al. Resistance of SARS-CoV-2 omicron subvariant BA.4.6 to antibody neutralisation. Lancet Infect Dis 22, 1666–1668 (2022).
  11. ↑ Weisblum, Y. et al. Escape from neutralizing antibodies by SARS-CoV-2 spike protein variants. eLife 9, (2020).
  12. ↑ 12.0 12.1 12.2 Greaney, A. et al. Comprehensive mapping of mutations in the SARS-CoV-2 receptor-binding domain that affect recognition by polyclonal human plasma antibodies. Cell Host Microbe 29, 463-476 (2021).
  13. ↑ Cong, Z. et al. Identification of SARS-CoV-2 spike mutations that attenuate monoclonal and serum antibody neutralization. Cell Host & Microbe 29, 1931-3128 (2021).
  14. ↑ Harvey, W. T. et al. SARS-CoV-2 variants, Spike mutations and immune escape. Nat Rev Microbiol 19, 409–424 (2021).
  15. ↑ Choi, Bina and Choudhary, Manish C. and Regan, James and Sparks, Jeffrey A. and Padera, Robert F. and Qiu, Xueting and Solomon, Isaac H. and Kuo, Hsiao-Hsuan and Boucau, Julie and Bowman, Kathryn and Adhikari, U. Das and Winkler, Marisa L. and Mueller, Al, J. Z. Persistence and Evolution of SARS-CoV-2 in an Immunocompromised Host. new engl J. Med. February, 2008–2009 (2020).
  16. ↑ Zhou, T. et al. Cryo-EM structures of SARS-CoV-2 spike without and with ACE2 reveal a pH-dependent switch to mediate endosomal positioning of receptor-binding domains. Cell Host Microbe 28, (2020).
  17. ↑ Henrich, S. et al. The crystal structure of the proprotein processing proteinase furin explains its stringent specificity. Nat Struct Mol Biol 10, 520–526 (2003).
  18. ↑ Tian, S. A 20 residues motif delineates the furin cleavage site and its physical properties may influence viral fusion. Biochem Insights 2, (2009).
  19. ↑ Kemp, S. A. et al. SARS-CoV-2 evolution during treatment of chronic infection. Nature 592, 277–282 (2021).
  20. ↑ Aggarwal, A. et al. Mechanistic Insights into the Effects of Key Mutations on SARS-CoV-2 RBD–ACE2 Binding. Phys Chem Chem Phys 23, 26451–26458 (2021)
  21. ↑ Karim, S. S. A. & Karim, Q. A. Omicron SARS-CoV-2 variant: A new chapter in the COVID-19 pandemic. Lancet 398, 2126–2128 (2021).
  22. ↑ 22.0 22.1 Tegally, H. et al. Emergence of SARS-CoV-2 omicron lineages BA.4 and BA.5 in South Africa. Nat Med 28, 1785–1790 (2022).
  23. ↑ Yamasoba, D. et al. Virological characteristics of the SARS-CoV-2 Omicron BA.2 spike. Cell 185, 2103-2115.e19 (2022).
  24. ↑ Cao, Y. et al. BA.2.12.1, BA.4 and BA.5 escape antibodies elicited by Omicron Infection. Nature 608, 593–602 (2022).
  25. ↑ Wang, Q. et al. Antibody evasion by SARS-CoV-2 omicron subvariants BA.2.12.1, BA.4 and BA.5. Nature 608, 603–608 (2022).
  26. ↑ Callaway, E. What Omicron’s BA.4 and BA.5 variants mean for the pandemic. Nature 606, 848–849 (2022).
  27. ↑ Del Rio, C. & Malani, P. N. COVID-19 in 2022 - The Beginning of the End or the End of the Beginning? JAMA 327, 2389–2390 (2022).
  28. ↑ Cao, Y. et al. Characterization of the enhanced infectivity and antibody evasion of Omicron BA.2.75. Cell Host Microbe 30, (2022).
  29. ↑ Shaheen, N. et al. Could the New BA.2.75 Sub-Variant Cause the Emergence of a Global Epidemic of COVID-19? A Scoping Review. Infect Drug Resist 15, 6317–6330 (2022).
  30. ↑ Wang, Q. et al. Alarming antibody evasion properties of rising SARS-CoV-2 BQ and XBB subvariants. Cell 186, (2023).
  31. ↑ European Centre for Disease Prevention and Control: Spread of the SARS-CoV-2 Omicron variant sub-lineage BQ.1 in the EU/EEA https://www.ecdc.europa.eu/sites/default/files/documents/Epi-update-BQ1.pdf (2022).
  32. ↑ 32.0 32.1 Highly immune evasive omicron XBB.1.5 variant is quickly becoming dominant in U.S. as it doubles weekly https://www.cnbc.com/2022/12/30/covid-news-omicron-xbbpoint1point5-is-highly-immune-evasive-and-binds-better-to-cells.html (2023).


Map

Structure Testing

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