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What Is CRISPR CRISPR, or Clustered Regularly Interspaced Short Palindromic Repeats, is a revolutionary technology that harnesses the adaptive immune system of bacteria. Originally discovered in bacteria as a defense mechanism against viruses, CRISPR allows organisms to store segments of viral DNA, which can be transcribed into RNA to guide RNA-guided endonucleases (like Cas9) to […]
CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats) technology has revolutionized the field of genetic engineering. This powerful tool allows for precise, targeted modifications of the genome, making it an essential component in modern biotechnology. The mechanism behind CRISPR involves the use of guide RNA (gRNA) and CRISPR-associated proteins (Cas), which together create site-specific double-strand breaks […]
Introduction T cell receptors (TCRs) are crucial components of the adaptive immune system, enabling T cells to recognize and respond to specific antigens. The TCR’s role is pivotal in immune surveillance and defense against pathogens. This article delves into the intricacies of TCR structure, function, signaling pathways, and testing methodologies, providing a comprehensive overview supported by […]
Introduction to T Cell Receptor Signaling T cell receptor (TCR) signaling is essential for the activation and function of T lymphocytes, which are key players in adaptive immunity. The TCR complex, consisting of the TCR α and β chains in conjunction with the CD3 and ζ (zeta) chains, specifically recognizes peptide-MHC (Major Histocompatibility Complex) complexes presented […]
RNA modifications, notably N6-methyladenosine (m6A) methylation, have risen to prominence as pivotal orchestrators of gene expression and cellular dynamics. Within this array of modifications, the m6A methylation of RNA, especially within messenger RNA (mRNA) transcripts, has garnered considerable interest due to its profound involvement in diverse biological phenomena and the onset of pathological conditions. In […]
What Is 16S rRNA? The 16S rRNA (16S ribosomal RNA) is a constituent component of the 30S subunit in prokaryotic ribosomes. The “S” in 16S pertains to the Svedberg unit, a measure that reflects the sedimentation rate of large molecules in a centrifugal field – the higher the value, the larger the molecule. The 16S rRNA gene […]
In the field of genomics, two notable methodologies for DNA sequencing have risen to prominence: Primer Walking Sequencing and Shotgun Sequencing. These techniques, although distinct in their approaches, stand as indispensable instruments for deciphering the intricacies inherent within the genetic code. This discourse endeavors to dissect the nuances of both methodologies, elucidating their fundamental principles, […]
The vital roles played by small RNA molecules in gene regulation and a myriad of cellular processes are undeniably essential within the realms of biological sciences. This extensive review encompasses a deep exploration into the complex nature of small RNA. We examine its definition, the diversity of its types, its multifaceted functions, as well as […]
1992 Bisulfite Treatment for Methylation Samples Commonly referred to as BS conversion, it involves treating methylated samples with bisulfite (abbreviated as "BS"), where "conversion" refers to the process by which unmethylated cytosines (C) are converted to uracils (U) and eventually to thymines (T) through PCR amplification, while methylated cytosines (5mC) are preserved. 2003 Pyrosequencing Pyrosequencing […]
In the realm of modern biology, unlocking the complexities of genomes has been significantly propelled by next-generation sequencing (NGS) technologies. Among these, the sequencing-by-synthesis (SBS) chemistry, in tandem with the esteemed DRAGEN Bio-IT platform, stands out for its unparalleled accuracy in delivering whole genome sequencing (WGS) data. However, the quest for understanding the entirety of […]
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