severine margeridon

Molecular Diagnostics R&D leader

CASTRO VALLEY, California, United States of America

Research Expertise

Molecular diagnostics
NGS, qPCR, digital PCR
Infectious diseases
Women and reproductive health
Operational excellence
Project management
Molecular assay development
Oncology
NGS
Molecular Biology

About

An excellence driven Molecular Diagnostics leader, holding a Ph.D. in Virology and Molecular Biology, with nearly 20 years of combined professional experience as both a molecular assay development lead and a project manager professional. Extensive experience in developing cutting edge molecular biology assays utilizing NGS, qPCR, and digital PCR within the fields of oncology, infectious diseases, genetics, and women's reproductive health. Possesses advanced project and cross-functional management expertise, supported by a PMP certification. Successfully established international consortium, fostered external collaborations with clinical laboratories, and engaged scientific advisory boards effectively. Committed to providing answers to patients through innovation, integrity and inclusivity.

Publications

Ultra‐Deep Pyrosequencing of Hepatitis B Virus Quasispecies from Nucleoside and Nucleotide Reverse‐Transcriptase Inhibitor (NRTI)–Treated Patients and NRTI‐Naive Patients

The Journal of Infectious Diseases / May 01, 2009

Margeridon‐Thermet, S., Shulman, N. S., Ahmed, A., Shahriar, R., Liu, T., Wang, C., Holmes, S. P., Babrzadeh, F., Gharizadeh, B., Hanczaruk, B., Simen, B. B., Egholm, M., & Shafer, R. W. (2009). Ultra‐Deep Pyrosequencing of Hepatitis B Virus Quasispecies from Nucleoside and Nucleotide Reverse‐Transcriptase Inhibitor (NRTI)–Treated Patients and NRTI‐Naive Patients. The Journal of Infectious Diseases, 199(9), 1275–1285. https://doi.org/10.1086/597808

Rolling Circle Amplification, a Powerful Tool for Genetic and Functional Studies of Complete Hepatitis B Virus Genomes from Low-Level Infections and for Directly Probing Covalently Closed Circular DNA

Antimicrobial Agents and Chemotherapy / Sep 01, 2008

Margeridon, S., Carrouée-Durantel, S., Chemin, I., Barraud, L., Zoulim, F., Trépo, C., & Kay, A. (2008). Rolling Circle Amplification, a Powerful Tool for Genetic and Functional Studies of Complete Hepatitis B Virus Genomes from Low-Level Infections and for Directly Probing Covalently Closed Circular DNA. Antimicrobial Agents and Chemotherapy, 52(9), 3068–3073. https://doi.org/10.1128/aac.01318-07

Comparison of the Mechanisms of Drug Resistance among HIV, Hepatitis B, and Hepatitis C

Viruses / Dec 14, 2010

Margeridon-Thermet, S., & Shafer, R. W. (2010). Comparison of the Mechanisms of Drug Resistance among HIV, Hepatitis B, and Hepatitis C. Viruses, 2(12), 2696–2739. https://doi.org/10.3390/v2122696

Hepatitis B virus reverse transcriptase sequence variant database for sequence analysis and mutation discovery

Antiviral Research / Dec 01, 2010

Rhee, S.-Y., Margeridon-Thermet, S., Nguyen, M. H., Liu, T. F., Kagan, R. M., Beggel, B., Verheyen, J., Kaiser, R., & Shafer, R. W. (2010). Hepatitis B virus reverse transcriptase sequence variant database for sequence analysis and mutation discovery. Antiviral Research, 88(3), 269–275. https://doi.org/10.1016/j.antiviral.2010.09.012

Initiation of hepatitis B virus genome replication and production of infectious virus following delivery in HepG2 cells by novel recombinant baculovirus vector

Journal of General Virology / Aug 01, 2008

Lucifora, J., Durantel, D., Belloni, L., Barraud, L., Villet, S., Vincent, I. E., Margeridon-Thermet, S., Hantz, O., Kay, A., Levrero, M., & Zoulim, F. (2008). Initiation of hepatitis B virus genome replication and production of infectious virus following delivery in HepG2 cells by novel recombinant baculovirus vector. Journal of General Virology, 89(8), 1819–1828. https://doi.org/10.1099/vir.0.83659-0

A quasi-monoclonal anti-HBs response can lead to immune escape of ‘wild-type’ hepatitis B virus

Journal of General Virology / Jun 01, 2005

Margeridon, S., Lachaux, A., Trepo, C., Zoulim, F., & Kay, A. (2005). A quasi-monoclonal anti-HBs response can lead to immune escape of ‘wild-type’ hepatitis B virus. Journal of General Virology, 86(6), 1687–1693. https://doi.org/10.1099/vir.0.80810-0

Low-Level Persistence of Drug Resistance Mutations in Hepatitis B Virus-Infected Subjects with a Past History of Lamivudine Treatment

Antimicrobial Agents and Chemotherapy / Jan 01, 2013

Margeridon-Thermet, S., Svarovskaia, E. S., Babrzadeh, F., Martin, R., Liu, T. F., Pacold, M., Reuman, E. C., Holmes, S. P., Borroto-Esoda, K., & Shafer, R. W. (2013). Low-Level Persistence of Drug Resistance Mutations in Hepatitis B Virus-Infected Subjects with a Past History of Lamivudine Treatment. Antimicrobial Agents and Chemotherapy, 57(1), 343–349. https://doi.org/10.1128/aac.01601-12

Similar Prevalence of Low-Abundance Drug-Resistant Variants in Treatment-Naive Patients with Genotype 1a and 1b Hepatitis C Virus Infections as Determined by Ultradeep Pyrosequencing

PLoS ONE / Aug 20, 2014

Margeridon-Thermet, S., Le Pogam, S., Li, L., Liu, T. F., Shulman, N., Shafer, R. W., & Najera, I. (2014). Similar Prevalence of Low-Abundance Drug-Resistant Variants in Treatment-Naive Patients with Genotype 1a and 1b Hepatitis C Virus Infections as Determined by Ultradeep Pyrosequencing. PLoS ONE, 9(8), e105569. https://doi.org/10.1371/journal.pone.0105569

A classification model for G-to-A hypermutation in hepatitis B virus ultra-deep pyrosequencing reads

Bioinformatics / Oct 11, 2010

Reuman, E. C., Margeridon-Thermet, S., Caudill, H. B., Liu, T., Borroto-Esoda, K., Svarovskaia, E. S., Holmes, S. P., & Shafer, R. W. (2010). A classification model for G-to-A hypermutation in hepatitis B virus ultra-deep pyrosequencing reads. Bioinformatics, 26(23), 2929–2932. https://doi.org/10.1093/bioinformatics/btq570

Detection of NS5B C316N—A resistant mutation to sofosbuvir in treatment-naïve genotype 1b HCV-infected patients using ultra-deep sequencing

Journal of Clinical Virology / Aug 01, 2015

Wang, Y., Rao, H., & Wei, L. (2015). Detection of NS5B C316N—A resistant mutation to sofosbuvir in treatment-naïve genotype 1b HCV-infected patients using ultra-deep sequencing. Journal of Clinical Virology, 69, 234. https://doi.org/10.1016/j.jcv.2015.06.039

P626: A novel, iteratively designed and highly multiplexed droplet digital PCR assay for non-invasive prenatal screening

Genetics in Medicine Open / Jan 01, 2023

Ramesh, M., Warczak, T., Dzvova, N., Abayan, R., Gencoglu, M., Riel, T., Henriquez, A., Markose, P., Loomis, K., Mikhaylichenko, O., Hendel, N., Hall, E., Dannebaum, R., Margeridon, S., & Herrera, M. (2023). P626: A novel, iteratively designed and highly multiplexed droplet digital PCR assay for non-invasive prenatal screening. Genetics in Medicine Open, 1(1), 100682. https://doi.org/10.1016/j.gimo.2023.100682

What is really ongoing during occult HBV reactivation?†

Hepatology / Jan 01, 2006

Chemin, I., Alain, S., Margeridon, S., Mrani, S., Kay, A., & Trépo, C. (2006). What is really ongoing during occult HBV reactivation?†. Hepatology, 43(1), 195. https://doi.org/10.1002/hep.21008

Efficient PCR Production of Single-Stranded DNA Sequencing Templates

PCR Sequencing Protocols

Kaltenboeck, B., & Kousoulas, K. G. (n.d.). Efficient PCR Production of Single-Stranded DNA Sequencing Templates. In PCR Sequencing Protocols (pp. 149–154). Humana Press. https://doi.org/10.1385/0-89603-344-9:149

A method for generating user-defined circular single-stranded DNA from plasmid DNA using Golden Gate intramolecular ligation

Nov 22, 2022

Strawn, I. K., Steiner, P. J., Newton, M. S., & Whitehead, T. A. (2022). A method for generating user-defined circular single-stranded DNA from plasmid DNA using Golden Gate intramolecular ligation. https://doi.org/10.1101/2022.11.21.517425

O.168 Rolling circle amplification technology for the study of HBV variants

Journal of Clinical Virology / Jan 01, 2006

Margeridon, S., Durantel, S., Chemin, I., Barraud, L., Zoulim, F., Trépo, C., & Kay, A. (2006). O.168 Rolling circle amplification technology for the study of HBV variants. Journal of Clinical Virology, 36, S51–S52. https://doi.org/10.1016/s1386-6532(06)80158-7

Chronic Hepatitis B Virus Persistence: Mechanisms and Insights

Cureus / Feb 13, 2025

Naidu, S., & Margeridon, S. (2025). Chronic Hepatitis B Virus Persistence: Mechanisms and Insights. Cureus. https://doi.org/10.7759/cureus.78944

A statistical investigation of parameters associated with low cell-free fetal DNA fraction in maternal plasma for noninvasive prenatal testing

The Journal of Maternal-Fetal & Neonatal Medicine / Jan 02, 2024

Pan, Y., Pan, X., Zhuang, D., Zhou, Y., Xue, J., Wu, S., Chen, C., & Li, H. (2024). A statistical investigation of parameters associated with low cell-free fetal DNA fraction in maternal plasma for noninvasive prenatal testing. The Journal of Maternal-Fetal & Neonatal Medicine, 37(1). https://doi.org/10.1080/14767058.2024.2338440

63. Effects of DNA Methylation on AAV Integration and Transgene Expression

Molecular Therapy / May 01, 2010

63. Effects of DNA Methylation on AAV Integration and Transgene Expression. (2010). Molecular Therapy, 18, S25–S26. https://doi.org/10.1016/s1525-0016(16)37504-9

European Space Agency

The Grants Register 2023 / Jan 01, 2022

European Space Agency. (2022). In The Grants Register 2023 (pp. 456–456). Palgrave Macmillan UK. https://doi.org/10.1057/978-1-349-96053-8_4236

Whole Genome Sequencing: A Considered Approach to Clinical Implementation

Current Protocols in Human Genetics / Apr 01, 2013

Dimmock, D. (2013). Whole Genome Sequencing: A Considered Approach to Clinical Implementation. Current Protocols in Human Genetics, 77(1). Portico. https://doi.org/10.1002/0471142905.hg0922s77

Un matériau unique pour détecter le formaldéhyde et trouver ses sources d’émission

Photoniques / Sep 01, 2016

Tran-Thi, T.-H., Le Chevallier, G., Rivron, C., Mugherli, L., Margeridon-Thermet, S., Abedini, F., François, R., & Hammel, F. (2016). Un matériau unique pour détecter le formaldéhyde et trouver ses sources d’émission. Photoniques, 83, 28–33. https://doi.org/10.1051/photon/20168328

Introduction. Produire de la connaissance scientifique pour la pratique du management

Le projet de th�se de DBA / Jan 01, 2017

Beaulieu, P. (2017). Introduction. Produire de la connaissance scientifique pour la pratique du management. In Le projet de th�se de DBA (p. 8). EMS Editions. https://doi.org/10.3917/ems.beaul.2017.01.0008

Analyses et enjeux sur la qualité de l’air intérieur

Pollution atmosphérique / Jun 01, 2014

Derbez, M. (2014). Analyses et enjeux sur la qualité de l’air intérieur: La qualité de l’air intérieur : un enjeu pour les bâtiments performants en énergie ? Pollution Atmosphérique, NS 7, 8–10. https://doi.org/10.54563/pollution-atmospherique.7742

Reply to Menzo et al

The Journal of Infectious Diseases / Dec 01, 2009

Margeridon‐Thermet, S., Rhee, S., & Shafer, R. W. (2009). Reply to Menzo et al. The Journal of Infectious Diseases, 200(11), 1799–1800. https://doi.org/10.1086/647992

P0314 PERSISTENCE OF HEPATITIS B INFECTION DESPITE A HIGH LEVEL OF HBS ANTIBODIES

Journal of Pediatric Gastroenterology and Nutrition / Jun 01, 2004

Margeridon, S., Lachaux, A., Trepo, C., Zoulim, F., & Kay, A. (2004). P0314 PERSISTENCE OF HEPATITIS B INFECTION DESPITE A HIGH LEVEL OF HBS ANTIBODIES. Journal of Pediatric Gastroenterology and Nutrition, 39(Supplement 1), S176. https://doi.org/10.1097/00005176-200406001-00438

La persistance de l’infection par le virus GB-C est associée à un meilleur pronostic de l’infection par le VIH

Gastroentérologie Clinique et Biologique / Nov 01, 2004

Roger, P.-M. (2004). La persistance de l’infection par le virus GB-C est associée à un meilleur pronostic de l’infection par le VIH. Gastroentérologie Clinique et Biologique, 28(11), 1194–1196. https://doi.org/10.1016/s0399-8320(04)95211-6

Education

Université Claude Bernard Lyon 1

Ph.D., Virology and molecular biology / September, 2006

Villeurbanne

Experience

Bio-Rad (United States)

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