Rapid detection of Lassa virus by reverse transcription-loop-mediated isothermal amplification. 2011

Aiko Fukuma, and Yohei Kurosaki, and Yuko Morikawa, and Allen Grolla, and Heinz Feldmann, and Jiro Yasuda
First Department of Forensic Science, National Research Institute of Police Science, Kashiwa, Japan.

In this study, a simple one-step reverse transcription-loop-mediated isothermal amplification (RT-LAMP) assay for rapid detection of Lassa virus (LASV) was established. The two primer sets were designed to detect LASV circulating in Sierra Leone and northeastern Nigeria. The RT-LAMP assay using these primer sets was able to detect 100 copies of the in vitro transcribed artificial LASV RNA within 25 min. The assay was also evaluated using intact viral RNA extracted from cell culture-propagated viruses and confirmed to be highly specific for LASV. The RT-LAMP assay developed in this study is rapid, simple, and highly specific for the detection of LASV, although its sensitivity is slightly lower than that of real-time RT-PCR. In addition, because the RT-LAMP assay does not require the use of sophisticated equipment, it would be advantageous for clinical diagnosis of LASV infection in developing countries. It might also be employed in cases of deliberate release during bioterrorism attacks or in epidemiological surveillance for disease outbreaks.

UI MeSH Term Description Entries
D007836 Lassa virus A species of ARENAVIRUS, part of the Old World Arenaviruses (ARENAVIRUSES, OLD WORLD), and the etiologic agent of LASSA FEVER. LASSA VIRUS is a common infective agent in humans in West Africa. Its natural host is the multimammate mouse Mastomys natalensis.
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D003429 Cross Reactions Serological reactions in which an antiserum against one antigen reacts with a non-identical but closely related antigen. Cross Reaction,Reaction, Cross,Reactions, Cross
D001483 Base Sequence The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence. DNA Sequence,Nucleotide Sequence,RNA Sequence,DNA Sequences,Base Sequences,Nucleotide Sequences,RNA Sequences,Sequence, Base,Sequence, DNA,Sequence, Nucleotide,Sequence, RNA,Sequences, Base,Sequences, DNA,Sequences, Nucleotide,Sequences, RNA
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor
D048348 Reverse Transcription The biosynthesis of DNA carried out on a template of RNA. Transcription, Reverse
D021141 Nucleic Acid Amplification Techniques Laboratory techniques that involve the in-vitro synthesis of many copies of DNA or RNA from one original template. DNA Amplification Technic,DNA Amplification Technique,DNA Amplification Techniques,Nucleic Acid Amplification Technic,Nucleic Acid Amplification Technique,RNA Amplification Technic,RNA Amplification Technique,RNA Amplification Techniques,Amplification Technics, Nucleic Acid,Amplification Techniques, Nucleic Acid,DNA Amplification Technics,Nucleic Acid Amplification Technics,Nucleic Acid Amplification Test,Nucleic Acid Amplification Tests,RNA Amplification Technics,Technics, Nucleic Acid Amplification,Techniques, Nucleic Acid Amplification,Amplification Technic, DNA,Amplification Technic, RNA,Amplification Technics, DNA,Amplification Technics, RNA,Amplification Technique, DNA,Amplification Technique, RNA,Amplification Techniques, DNA,Amplification Techniques, RNA,Technic, DNA Amplification,Technic, RNA Amplification,Technics, DNA Amplification,Technics, RNA Amplification,Technique, DNA Amplification,Technique, RNA Amplification,Techniques, DNA Amplification,Techniques, RNA Amplification

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