Article
Virology
Jean-Baptiste Farcet, Johanna Kindermann, Michael Karbiener, Richard Scheinecker, Otto Kostner, Thomas R. Kreil
Summary: In response to environmental concerns, the biopharmaceutical industry is transitioning to an environmentally friendly alternative detergent like Nereid, which was synthesized to have fully equivalent virus inactivation activity to TX-100.
JOURNAL OF MEDICAL VIROLOGY
(2021)
Article
Virology
Ulrike Seeburg, Lorena Urda, Fabian Otte, Martin J. Lett, Silvia Caimi, Christian Mittelholzer, Thomas Klimkait
Summary: Numerous mammalian viruses are analyzed in clinical diagnostic laboratories worldwide or used as important model systems in viral research. The safety and completeness of virus inactivation methods are still not fully proven. It has been found that a 30-minute incubation with formaldehyde at room temperature can effectively inactivate all tested enveloped and non-enveloped viruses. All buffers achieved full inactivation of HIV-1 and ECHO-11, while only five of the seven lysis buffers were fully effective for SARS-CoV-2 and AdV-5 under the tested conditions.
Article
Biochemistry & Molecular Biology
Negin Gooran, Bo Kyeong Yoon, Joshua A. Jackman
Summary: This study comparatively evaluated the membrane-disruptive properties of TX-100 and potential replacement SL-11W using a supported lipid bilayer (SLB) platform. The results showed that TX-100 exhibited higher potency and caused rapid and irreversible membrane solubilization, while SL-11W induced more gradual and reversible membrane budding. The study also revealed that both TX-100 and SL-11W showed concentration-dependent interaction behaviors and were only active at or above their critical micelle concentration (CMC) values.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Biotechnology & Applied Microbiology
Alan K. Hunter, Kamiyar Rezvani, Matthew T. Aspelund, Guoling Xi, Dhanesh Gadre, Thomas Linke, Kang Cai, Sri Hari Raju Mulagapati, Tomasz Witkos
Summary: This study systematically investigates six compendial nonionic detergents as potential replacements for Triton X-100 in bioprocessing applications. Two of the detergents, PEG 9 Lauryl Ether and PEG 6 Caprylic/Capric Glycerides, exhibit favorable properties and fast virus inactivation kinetics.
BIOTECHNOLOGY PROGRESS
(2022)
Article
Virology
Tomoya Tsuchida, Yuko Nitahara, Shotaro Suzuki, Yuko Komase, Katherine Candray, Yasutoshi Kido, Yu Nakagama, Yukitaka Yamasaki, Mitsuru Imamura, Kimito Kawahata, Hiroyuki Kunishima, Shigeki Fujitani, Masamichi Mineshita, Takahide Matsuda
Summary: Serological testing can help identify COVID-19 infections missed by NAAT, providing important insights for diagnosis and treatment.
JOURNAL OF MEDICAL VIROLOGY
(2021)
Article
Immunology
Laura Wiesner, Carla Schmutte, Imke Steffen
Summary: Tick-borne encephalitis virus (TBEV) is a serious pathogen that requires heightened biosafety measures in the laboratory. Different inactivation procedures, such as heat, acidic pH, alcohol, formaldehyde, detergents, and UV irradiation, show varying effectiveness against TBEV, depending on sample size and composition.
JOURNAL OF INFECTIOUS DISEASES
(2021)
Article
Biochemistry & Molecular Biology
Jean-Baptiste Farcet, Michael Karbiener, Leonhard Zelger, Johanna Kindermann, Thomas R. Kreil
Summary: The ability of detergents to solubilize biological membranes has been utilized in biotechnological manufacturing to enhance the safety of plasma- and cell-derived drugs. This study compared the critical micelle concentration (CMC) of detergents in different matrices and found that it can change by up to 4-fold. The CMC in biotechnological matrices did not correlate with the antiviral potency of the detergents.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Chemistry, Multidisciplinary
Lukasz Richter, Karolina Paszkowska, Urszula Cendrowska, Francesca Olgiati, Paulo Jacob Silva, Matteo Gasbarri, Zekiye Pelin Guven, Jan Paczesny, Francesco Stellacci
Summary: Phage infections are a dangerous and common threat for bacteria-based bioreactors, with no effective methods to avoid them. A novel technology based on nanoparticles has been developed to irreversibly deactivate bacteriophages and is safe for bacteria, allowing for unsupervised protection of bacterial processes in the biotechnology industry. Gold nanoparticles coated with specific ligands have been shown to effectively deactivate various E. coli-selective phages.
Article
Microbiology
Zhan Qiu Mao, Mizuki Fukuta, Jean Claude Balingit, Thi Thanh Ngan Nguyen, Co Thach Nguyen, Shingo Inoue, Thi Thu Thuy Nguyen, Le Khanh Hang Nguyen, Noboru Minakawa, Kouichi Morita, Thi Quynh Mai Le, Futoshi Hasebe, Meng Ling Moi
Summary: This study demonstrates that direct real-time RT-qPCR is a feasible option for the detection of SARS-CoV-2 and DENV-2, compared to traditional real-time RT-qPCR based on viral genome extraction methods. This approach can provide faster viral detection, aiding in addressing viral outbreaks in resource-limited settings.
Article
Microbiology
Amaresh Das, Zaheer Ahmed, Lizhe Xu, Wei Jia
Summary: This study developed a new method for assessing and verifying the inactivation of peste des petits ruminants virus (PPRV) using chemical agents. The method involved virus isolation and real-time RT-PCR to confirm virus inactivation. This new method can be applied to other high impact agricultural or public health viruses.
MICROBIOLOGY SPECTRUM
(2023)
Article
Environmental Sciences
Eun Hea Jho, Seong Ho Yun, Punam Thapa, Joo-Won Nam
Summary: The study investigates the changes in toxic effects of surfactants during photodegradation, showing that the generation of photoproducts from Triton X-100 may lead to higher toxic effects. D. magna and A. fischeri exhibit different sensitivities to Triton X-100 and its photodegraded products, suggesting that photodegradation can alter the relative toxic effects on different aquatic organisms.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Microbiology
Amaresh Das, Zaheer Ahmed, Lizhe Xu, Wei Jia
Summary: This study developed a new method to assess and verify the inactivation of peste des petits ruminants virus (PPRV) by chemical agents. The potential residual viruses were captured using Nanotrap magnetic virus particles (NMVPs), and the inactivation was confirmed through virus isolation and real-time RT-PCR.
MICROBIOLOGY SPECTRUM
(2023)
Article
Chemistry, Physical
Ankur Patel, Debes Ray, Mehul Khimani, Jigisha K. Parikh, Paresh Parekh, Vijay Patel, Vinod K. Aswal, Pratap Bahadur
Summary: This study investigated the behavior of a non-ionic surfactant in the presence of a hydrophobic diol, leading to changes in cloud point, viscosity, and micelle morphology. Salt and temperature effects were found to play a role in controlling micellar transitions. The structural transitions were attributed to the hydrophobic interactions between the surfactant and diol.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Chemistry, Physical
Qi Liu, Jingkang Wang, Hao Wu, Shuyi Zong, Na Wang, Ting Wang, Lina Zhou, Xin Huang, Hongxun Hao
Summary: Pseudo-ternary phase diagrams of water/Triton X-100/1-pentanol/cyclohexane microemulsions were determined by measuring electrical conductivity. The structure and properties of the microemulsions were analyzed using various techniques, and the phase transitions and nanostructure sizes were discussed. The type of water in W/O microemulsion was specifically analyzed.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Engineering, Environmental
Kaibo Huang, He Liu, Jinglei He, Yongyi He, Xueqin Tao, Hua Yin, Zhi Dang, Guining Lu
Summary: This study used Ag/TiO2 for photocatalytic degradation of PBDEs in washing wastes, aiming to reuse TX-100 surfactant. The results showed that BDE-47 degradation can be achieved effectively under specific conditions.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Microbiology
Rami Sommerstein, Lukas Flatz, Melissa M. Remy, Pauline Malinge, Giovanni Magistrelli, Nicolas Fischer, Mehmet Sahin, Andreas Bergthaler, Sebastien Igonet, Jan ter Meulen, Dorothee Rigo, Paolo Meda, Nadia Rabah, Bruno Coutard, Thomas A. Bowden, Paul-Henri Lambert, Claire-Anne Siegrist, Daniel D. Pinschewer
Article
Immunology
M. M. Remy, N. Schobi, L. Kottanattu, S. Pfister, A. Duppenthaler, F. Suter-Riniker
JOURNAL OF NEUROINFLAMMATION
(2017)
Article
Immunology
Mirjana Grujic, Christina Bartholdy, Melissa Remy, Daniel D. Pinschewer, Jan P. Christensen, Allan R. Thomsen
JOURNAL OF IMMUNOLOGY
(2010)
Article
Microbiology
Mehmet Sahin, Melissa M. Remy, Doron Merkler, Daniel D. Pinschewer
Summary: The FDA-approved JAK inhibitor Ruxolitinib showed potential in the treatment of Arenaviruses hemorrhagic fever (AVHF) by preventing terminal disease and microvascular leak symptoms. In addition to IFN-gamma-induced iNOS pathway, other druggable pathways contribute essentially to AVHF and are amenable to host-directed therapy.
Article
Cell Biology
Mehmet Sahin, Melissa M. Remy, Benedict Fallet, Rami Sommerstein, Marianna Florova, Anna Langner, Katja Klausz, Tobias Straub, Mario Kreutzfeldt, Ingrid Wagner, Cinzia T. Schmidt, Pauline Malinge, Giovanni Magistrelli, Shozo Izui, Hanspeter Pircher, J. Sjef Verbeek, Doron Merkler, Matthias Peipp, Daniel D. Pinschewer
Summary: In this study, the role of antibody multivalency in protecting neutralizing and non-neutralizing antibodies in virus-infected mice was investigated. The results showed that antibody bivalency enables the tethering of virions to the infected cell surface and inhibits virion release, independently of Fc gamma receptor interactions. The protection in mice was found to be correlated with the virus-release-inhibiting activity of the antibodies rather than their neutralizing capacity. These findings provide insights into the evolutionary conservation of antibody multivalency and have implications for vaccine development targeting non-neutralizing antibodies.
Review
Biochemistry & Molecular Biology
Michele Sorgenfrei, Lea M. Hurlimann, Melissa M. Remy, Peter M. Keller, Markus A. Seeger
Summary: This article summarizes various biomolecules used for capturing live bacteria, including immune proteins, antibodies, aptamers, phage proteins, and antimicrobial peptides. The article also discusses the potential use of nanobodies targeting conserved surface-accessible proteins as promising biomolecules for pathogen capture.
TRENDS IN BIOCHEMICAL SCIENCES
(2022)
Article
Microbiology
Melissa M. Remy, Mehmet Sahin, Lukas Flatz, Tommy Regen, Lifen Xu, Mario Kreutzfeldt, Benedict Fallet, Camille Doras, Toni Rieger, Lukas Bestmann, Uwe-Karsten Hanisch, Beat A. Kaufmann, Doron Merkler, Daniel D. Pinschewer
CELL HOST & MICROBE
(2017)
Article
Immunology
Benedict Fallet, Kerstin Narr, Yusuf I. Ertuna, Melissa Remy, Rami Sommerstein, Karen Cornille, Mario Kreutzfeldt, Nicolas Page, Gert Zimmer, Florian Geier, Tobias Straub, Hanspeter Pircher, Kevin Larimore, Philip D. Greenberg, Doron Merkler, Daniel D. Pinschewer
SCIENCE IMMUNOLOGY
(2016)