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16 articles found
The advent of next-generation sequencing (NGS) has revolutionized the field of microbiome research, particularly through the analysis of 16S rRNA gene sequencing. This technique allows for a comprehensive understanding of microbial communities, providing insights into their composition and functional potential. This article outlines best practices for the bioinformatics analysis of 16S rRNA ...
In recent years, the landscape of sequencing technologies has undergone a transformative shift, transitioning from research settings to the realm of clinical laboratories. This transformation has been catalyzed by rapid technological advancements and significant cost reductions. Despite a multitude of microorganisms known to inflict human infections, prevailing diagnostic techniques merely ...
The T cell antigen receptor (TCR) is a characteristic marker of T cells, playing a crucial role in the immune system. Each T cell typically expresses a specific TCR, which has a unique structure and sequence that can recognize different antigens, including bacteria, viruses, tumor cells, and other pathogens. Once the TCR binds to the antigen, the T cell initiates an immune response, generating ...
Monoclonal antibodies are highly specific biological molecules that are crucial in many areas like disease diagnosis, treatment, and biomarker discovery. They can trigger an immune response in the human body by recognizing and binding to specific antigens, thereby combating pathogens. However, to develop monoclonal antibodies with high specificity and affinity, sequencing of the antibody's ...
What is a Nanobody?Nanobodies are the smallest functional single-domain antibodies known to be able to stably bind to antigens, and have unique structural and functional advantages. The molecular weight of nanobodies is only 12-15 kDa, which retains the antigen binding ability of traditional antibodies. However, nanobodies have higher solubility and stability, and have unique advantages in ...
As the life sciences explode with advancements in technology, clinicians and researchers require robust techniques with high throughput and precision to navigate the complexity of the genetic landscape. One such emerging technology, linear amplification-mediated polymerase chain reaction (LAM-PCR), is gaining significant attention for its proficiency in performing near-full spectrum genetic ...
Overview of Whole Genome Sequencing The genome of each individual organism contains its entire genetic information. Whole genome sequencing technology can comprehensively and accurately analyze entire genomes, thereby breaking the information contained in it and revealing the complexity and diversity of the genome. The emergence of whole genome sequencing technology is a revolutionary advancement ...
Next-generation sequencing (NGS), which makes millions to billions of sequence reads at a fast rate, has greatly sped up genomics research. At the moment, Illumina, Ion Torrent/Life Technologies, 454/Roche, Pacific Bioscience, Nanopore, and GenapSys are all NGS platforms that can be used. They can produce reads of 100–10,000 bp in length, enabling sufficient coverage of the genome at a ...
This article provides a brief introduction to good practices for the bioinformatics analysis of 16S rRNA sequencing by NGS (next-generation sequencing). The bioinformatics pipeline involves two main stages: the preprocessing of data (quality control) and quantification (including taxonomic profiling and predictive metagenomics profiling). Preprocessing to eliminate uninformative data Removal of ...
HLA, human leukocyte surface antigen, a series of tightly interlocking motifs on the short arm of human chromosome 6, is the central basis for the immune system to recognize and differentiate between allogeneic substances. It is highly polymorphic and corresponds to a complex acquired immune system. It is importantly associated with a variety of autoimmune diseases, tumors, and infectious ...
Single-nucleotide polymorphisms (SNPs) are a kind of DNA polymorphisms caused by single-nucleotide variants in both coding and non-coding regions, which are the most common and smallest variants. There are more than 3 million SNPs in the human genome with an average of 1 in 500-1000 base pairs. SNP microarrays are capable of detecting a large number of subtle DNA alterations and/or abnormal ...
Introduction to HLA Human leukocyte antigen (HLA) is a 3.6 Mb segment on the short arm of chromosome 6 that contains over 200 genes. It is also known as the major histocompatibility complex (MHC), and it is the most polymorphic region in the human genome, involving diverse immune reactions. HLA is divided into HLA-class I (corresponding to MHC class I) and HLA-class II (corresponding to MHC class ...
Developing and manufacturing molecular diagnostics platforms and test kits for detecting human pathogens. Specializing in Antimicrobial Resistance Management and Hospital Associated Infections (HAIs), by reliable, cost-effective molecular diagnostic solutions for detecting Gastrointestinal Infections including most clinically relevant bacteria, parasites, viruses and antibiotic resistances. ...
NEW YORK - Spanish cancer research firm Universal Diagnostics is gearing up to commercialize a liquid biopsy test that applies methylation biomarkers to detect lung cancer, based on data presented at the International Association for the Study of Lung Cancer 2020 World Conference for Lung Cancer (WCLC) last month. The Seville-based firm also expects to release clinical data on its next ...
Yersinia enterocolitica has been detected in surface water, and drinking untreated water is a risk factor for infection. PCR-based methods have been used to detect Y. enterocolitica in various sample types, but quantitative studies have not been conducted in water. In this study, quantitative PCR (qPCR)-based methods targeting the Yersinia virulence genes ail and yadA were used to survey the ...
Received for publication February 11, 2008. The Wildcat Creek in north-central Indiana is an impaired stream with historically high fecal coliform counts. This study evaluated the presence of both fecal coliforms and Escherichia coli O157:H7 at five sites in rural and urban areas in the eastern part of the Wildcat Creek watershed. Escherichia coli O157:H7 was isolated by immunomagnetic ...