XEC: The Next Frontier in COVID-19 Evolution and Biotechnological Interventions

Authors

  • Mustapha Abdulsalam Department of Microbiology, Skyline University, Nigeria https://orcid.org/0000-0001-7969-0822
  • Musa Ojeba Innocent Department of Microbiology, Skyline University, Nigeria
  • Miracle Uwa Livinus Department of Biochemistry, Skyline University, Nigeria https://orcid.org/0000-0002-2938-7857
  • Fatimoh Abdulsalam Danjuma Ministry of National Guard Hospital, Saudi Arabia
  • Idowu Afeez Temitope Department of Medicinal Research, Kaohsiung Medical University Hospital, Taiwan https://orcid.org/0009-0006-5685-9078
  • Ishola Jonathan Adekunle Department of Public Health, Obafemi Awolowo University, Ile-Ife, Nigeria

DOI:

https://doi.org/10.55006/biolsciences.2025.5401

Keywords:

XEC strain, COVID-19 evolution, Biotechnology, Vaccine efficacy, SARS-CoV-2 variants

Abstract

The XEC strain of SARS-CoV-2, a recombinant variant, presents significant challenges due to its mutations that enhance immune escape potential and potentially alter transmission dynamics. As the world continues to confront the evolving nature of COVID-19, biotechnological innovations, including genomic surveillance, CRISPR-based diagnostics, and mRNA vaccine platforms, have been essential in responding to emerging variants. However, the XEC variant’s ability to evade immunity requires ongoing adaptation of these technologies, including precision diagnostics and updated vaccines. Despite progress, substantial gaps remain in understanding the pathophysiology of new variants like XEC, their impacts on vulnerable populations, and the efficacy of current therapeutics. Future research should prioritize investigating the molecular mechanisms driving XEC’s pathogenicity, long-term vaccine effectiveness, the development of novel therapeutics, and the integration of biotechnology into public health policies. Furthermore, enhanced international collaboration and data sharing are critical for improving global surveillance and preparedness. Addressing these research gaps through multidisciplinary efforts will be crucial in mitigating the impact of future viral threats and safeguarding global health.

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References

1. Nájera, R.; Delgado, E.; Pérez-Alvarez, L.; Thomson, M.M. Genetic recombination and its role in the development of the HIV-1 pandemic. AIDS 2002, 16 (Suppl 1), S3–16.

2. Datta, P.K.; Liu, F.; Fischer, T.; Rappaport, J.; Qin, X. SARS-CoV-2 pandemic and research gaps: Understanding SARS-CoV-2 interaction with the ACE2 receptor and implications for therapy. Theranostics 2020, 10 (16), 7448–64.

3. Cromer, D.; Stein, M.; Reynaldi, A.; Schlub, T.E.; Wheatley, A.K.; Juno, J.A.; Davenport, M.P. Neutralizing antibody titers as predictors of protection against SARS-CoV-2 variants and the impact of boosting: a meta-analysis. Lancet Microbe 2022, 3 (1), e52–61.

4. Thakur, S.; Sasi, S.; Pillai, S.G.; Nag, A.; Shukla, D.; Singhal, R.; Velu, G.S.K. SARS-CoV-2 mutations and their impact on diagnostics, therapeutics, and vaccines. Front. Med. 2022, 9, 815389.

5. Abdulsalam, M.; Musa, I.O.; Livinus, M.U.; Elelu, S.A.; Ibrahim, G.O.; Salami, O.L.; Pal, S.K. Blue bioeconomy and biomedical innovation. In Marine Bioprospecting for Sustainable Blue-bioeconomy; Springer Nature Switzerland: Cham, Switzerland, 2024; pp. 143–57.

6. Thomas, S.; Abraham, A.; Baldwin, J.; Piplani, S.; Petrovsky, N. Artificial intelligence in vaccine and drug design. In Vaccine Design: Methods and Protocols, Volume 1: Vaccines for Human Diseases; 2022; pp. 131–46.

7. Ou, J.; Zhou, Z.; Dai, R.; Zhang, J.; Zhao, S.; Wu, X.; Zhang, Q. V367F mutation in SARS-CoV-2 spike RBD emerging during the early transmission phase enhances viral infectivity through increased human ACE2 receptor binding affinity. J. Virol. 2021, 95 (16), e01128–21.

8. Arnold, B.J.; Huang, I.T.; Hanage, W.P. Horizontal gene transfer and adaptive evolution in bacteria. Nat. Rev. Microbiol. 2022, 20 (4), 206–18.

9. Zabidi, N.Z.; Liew, H.L.; Farouk, I.A.; Puniyamurti, A.; Yip, A.J.W.; Wijesinghe, V.N.; Lal, S.K. Evolution of SARS-CoV-2 variants: implications on immune escape, vaccination, therapeutic and diagnostic strategies. Viruses 2023, 15 (4), 944.

10. Telenti, A.; Hodcroft, E.B.; Robertson, D.L. The evolution and biology of SARS-CoV-2 variants. Cold Spring Harb. Perspect. Med. 2022, 12 (5), a041390.

11. Abdulsalam, M.; Fatima, Z.Y.U.; Hasiya, U.A.; Ummulkhuthum, A.T.; Aisha, W.N.; Muhammad, F.Y. Deciphering the genetic code: mechanisms, evolution, and implications for biotechnology. World J. Adv. Res. Rev. 2024, 21 (1), 858–68.

12. Wang, L.; Nicols, A.; Turtle, L.; Richter, A.; Duncan, C.J.; Dunachie, S.J.; Payne, R.P. T cell immune memory after COVID-19 and vaccination. BMJ Med. 2023, 2 (1), 1–10.

13. Simon-Loriere, E.; Montagutelli, X.; Lemoine, F.; Donati, F.; Touret, F.; Bourret, J.; Paquin, A. Rapid characterization of a Delta–Omicron SARS-CoV-2 recombinant detected in Europe. 2022.

14. Saheed, Y.K.; Salau-Ibrahim, T.T.; Abdulsalam, M.; Adeniji, I.A.; Balogun, B.F. Modified bi-directional long short-term memory and hyperparameter tuning of supervised machine learning models for cardiovascular heart disease prediction in the mobile cloud environment. Biomed. Signal Process. Control 2024, 94, 106319.

15. Shah, M.; Woo, H.G. Omicron: a heavily mutated SARS-CoV-2 variant exhibits stronger binding to ACE2 and potently escapes approved COVID-19 therapeutic antibodies. Front. Immunol. 2022, 12, 830527.

16. Jones, T.C.; Biele, G.; MĂĽhlemann, B.; Veith, T.; Schneider, J.; Beheim-Schwarzbach, J.; Drosten, C. Estimating infectiousness throughout SARS-CoV-2 infection course. Science 2021, 373 (6551), eabi5273.

17. Sande, M.G.; Rodrigues, J.L.; Ferreira, D.; Silva, C.J.; Rodrigues, L.R. Novel biorecognition elements against pathogens in the design of state-of-the-art diagnostics. Biosensors 2021, 11 (11), 418.

18. Triggle, C.R.; Bansal, D.; Ding, H.; Islam, M.M.; Farag, E.A.B.A.; Hadi, H.A.; Sultan, A.A. A comprehensive review of viral characteristics, transmission, pathophysiology, immune response, and management of SARS-CoV-2 and COVID-19 as a basis for controlling the pandemic. Front. Immunol. 2021, 12, 631139.

19. Rouf, N.Z.; Biswas, S.; Tarannum, N.; Oishee, L.M.; Muna, M.M. Demystifying mRNA vaccines: an emerging platform at the forefront of cryptic diseases. RNA Biol. 2022, 19 (1), 386–410.

20. Guevara, M.L.; Persano, F.; Persano, S. Advances in lipid nanoparticles for mRNA-based cancer immunotherapy. Front. Chem. 2020, 8, 589959.

21. Cankat, S.; Demael, M.U.; Swadling, L. In search of a pan-coronavirus vaccine: next-generation vaccine design and immune mechanisms. Cell Mol. Immunol. 2024, 21 (2), 103–18.

22. Levin, E.G.; Lustig, Y.; Cohen, C.; Fluss, R.; Indenbaum, V.; Amit, S.; Regev-Yochay, G. Waning immune humoral response to BNT162b2 Covid-19 vaccine over 6 months. N. Engl. J. Med. 2021, 385 (24), e84.

23. Ovsyannikova, I.G.; Haralambieva, I.H.; Crooke, S.N.; Poland, G.A.; Kennedy, R.B. The role of host genetics in the immune response to SARS-CoV-2 and COVID-19 susceptibility and severity. Immunol. Rev. 2020, 296 (1), 205–19.

24. Jiang, Y.; Rubin, L.; Peng, T.; Liu, L.; Xing, X.; Lazarovici, P.; Zheng, W. Cytokine storm in COVID-19: from viral infection to immune responses, diagnosis and therapy. Int. J. Biol. Sci. 2022, 18 (2), 459–70.

25. Carethers, J.M. Insights into disparities observed with COVID-19. J. Intern. Med. 2021, 289 (4), 463–73.

26. Tregoning, J.S.; Flight, K.E.; Higham, S.L.; Wang, Z.; Pierce, B.F. Progress of the COVID-19 vaccine effort: viruses, vaccines, and variants versus efficacy, effectiveness, and escape. Nat. Rev. Immunol. 2021, 21 (10), 626–36.

27. Tada, T.; Zhou, H.; Dcosta, B.M.; Samanovic, M.I.; Chivukula, V.; Herati, R.S.; Landau, N.R. Increased resistance of SARS-CoV-2 Omicron variant to neutralization by vaccine-elicited and therapeutic antibodies. EBioMedicine 2022, 78, 1–8.

28. Niklasch, M.; Zimmermann, P.; Nassal, M. The hepatitis B virus nucleocapsid—dynamic compartment for infectious virus production and new antiviral target. Biomedicines 2021, 9 (11), 1577.

29. Patel, N.; Trost, J.F.; Guebre-Xabier, M.; Zhou, H.; Norton, J.; Jiang, D.; Smith, G. XBB.1.5 spike protein COVID-19 vaccine induces broadly neutralizing and cellular immune responses against EG.5.1 and emerging XBB variants. Sci. Rep. 2023, 13 (1), 19176.

30. Fernandes, Q.; Inchakalody, V.P.; Merhi, M.; Mestiri, S.; Taib, N.; Abo El-Ella, D.M.; Dermime, S. Emerging COVID-19 variants and their impact on SARS-CoV-2 diagnosis, therapeutics and vaccines. Ann. Med. 2022, 54 (1), 524–40.

31. Kumaran, A.; Jude Serpes, N.; Gupta, T.; James, A.; Sharma, A.; Kumar, D.; Pandey, S. Advancements in CRISPR-based biosensing for next-gen point of care diagnostic application. Biosensors 2023, 13 (2), 202.

32. Mohite, P.; Yadav, V.; Pandhare, R.; Maitra, S.; Saleh, F.M.; Saleem, R.M.; Uti, D.E. Revolutionizing cancer treatment: viral vaccines, monoclonal antibodies, and proteolysis-targeting chimeras in immunotherapy. ACS Omega 2024, 9 (7), 7277–95.

33. Abdulsalam, M.; Salihu, A.T.; Usman, H.Y.; Usman, M.Y. Protein biosynthesis in microorganisms: mechanisms, regulation, and biotechnological applications. World J. Adv. Res. Rev. 2024, 21 (1), 869–81.

34. Saheed, Y.K.; Balogun, B.F.; Odunayo, B.J.; Abdulsalam, M. Microarray gene expression data classification via Wilcoxon sign rank sum and Grey Wolf optimized ensemble learning models. IEEE/ACM Trans. Comput. Biol. Bioinform. 2023, 20 (6), 3575–87.

35. Kim, J.H.; Hotez, P.; Batista, C.; Ergonul, O.; Figueroa, J.P.; Gilbert, S.; Bottazzi, M.E. Operation Warp Speed: implications for global vaccine security. Lancet Glob. Health 2021, 9 (7), e1017–25.

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Published

15-10-2025
CITATION

How to Cite

Abdulsalam, M., Innocent, M. O., Livinus, M. U., Danjuma, F. A., Temitope, I. A., & Adekunle, I. J. (2025). XEC: The Next Frontier in COVID-19 Evolution and Biotechnological Interventions. Biological Sciences, 5(4), 1018–1026. https://doi.org/10.55006/biolsciences.2025.5401

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