Wei Cheng David Kuek, Chean Nee Chai, Wei Ming Jason Tham, Alvin Yu Jin Ng, Dilys Shi Ning Lau, Janice Yen Qi Loo, Dan Thu Van, Joanna Kia Min Tan, Chun Kiat Lee, Benedict Yan, Tim Hon Man Chan
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引用次数: 0
Abstract
Background: Next-generation sequencing (NGS) technology enables sample multiplexing for interrogation of multiple regions of interest (ROI). Leveraging this, together with access to affordable NGS platforms, we explored the practicality of moving capillary electrophoresis (CE), noncapillary electrophoresis and single-gene testing to NGS. In this work, we evaluated the iSeq 100's capacity to validate 89 samples at once.
Methods: Genomic DNA was extracted from 89 archival samples of varying specimen types. Polymerase chain reaction (PCR) was done with in house primers, library preparation with the Nextera XT Library Preparation Kit and cleaning up with paramagnetic beads. The sequencing was performed on one Illumina iSeq 100 flow cell.
Results: With our workflow, 88 out of 89 samples were accurately sequenced with variant alleles identified. One sample of the 88 samples was initially discordant because the primers used were in a heterozygous deletion region. Upon redesigning of primers, the sample proved concordant.
Conclusions: The iSeq-Nextera workflow proved accurate. However, variant allele frequencys generated by the Nextera are not precise.
期刊介绍：
Molecular Genetics & Genomic Medicine is a peer-reviewed journal for rapid dissemination of quality research related to the dynamically developing areas of human, molecular and medical genetics. The journal publishes original research articles covering findings in phenotypic, molecular, biological, and genomic aspects of genomic variation, inherited disorders and birth defects. The broad publishing spectrum of Molecular Genetics & Genomic Medicine includes rare and common disorders from diagnosis to treatment. Examples of appropriate articles include reports of novel disease genes, functional studies of genetic variants, in-depth genotype-phenotype studies, genomic analysis of inherited disorders, molecular diagnostic methods, medical bioinformatics, ethical, legal, and social implications (ELSI), and approaches to clinical diagnosis. Molecular Genetics & Genomic Medicine provides a scientific home for next generation sequencing studies of rare and common disorders, which will make research in this fascinating area easily and rapidly accessible to the scientific community. This will serve as the basis for translating next generation sequencing studies into individualized diagnostics and therapeutics, for day-to-day medical care.
Molecular Genetics & Genomic Medicine publishes original research articles, reviews, and research methods papers, along with invited editorials and commentaries. Original research papers must report well-conducted research with conclusions supported by the data presented.
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