https://www.friendbookmark.com/authors/4385/kikoetgarcia Most recent BlogU posts submitted by kikoetgarcia https://www.friendbookmark.com/blogpost/47252/a-comprehensive-comparison-of-illumina-and-nanopore-sequencing-technologiesIn the rapidly evolving field of genomics, sequencing technologies play a crucial role in advancing our understanding of genetic material. Among the most prominent methods are Illumina sequencing and nanopore sequencing, each offering unique advantages and capabilities that cater to different research needs.What is Illumina Sequencing?Illumina sequencing, a hallmark of second-generation se... https://www.friendbookmark.com/blogpost/47251/understanding-operational-taxonomic-units-otus-in-microbial-ecologyOperational Taxonomic Units (OTUs) serve as fundamental units in the realm of numerical taxonomy, particularly in the study of microbial ecology. These units can represent various biological classifications, including individuals, species, genera, or even higher taxonomic levels. The term "operational taxonomic unit" was introduced to address the discrepancies between traditional taxonomic... https://www.friendbookmark.com/blogpost/47250/overcoming-data-quality-challenges-in-next-generation-sequencing-for-metagenomicsNext-generation sequencing (NGS) has revolutionized the field of genomics by enabling researchers to generate vast amounts of sequence data in a single experiment. This technology is particularly valuable in applications such as metagenomics, where it allows for the analysis of complex microbial communities, such as those found in the human gut. However, despite its advantages, NGS is not ... https://www.friendbookmark.com/blogpost/47249/the-impact-and-innovation-of-single-cell-rna-sequencingIntroduction to Single-Cell RNA SequencingSingle-cell RNA sequencing (scRNA-seq) represents a groundbreaking advancement in genomic techniques, allowing researchers to detect and quantify messenger RNA (mRNA) molecules at the single-cell level. This capability is crucial for understanding cellular responses and the intricate dynamics of biological systems. Traditional RNA sequencing method... https://www.friendbookmark.com/blogpost/47241/best-practices-for-bioinformatics-analysis-of-16s-rrna-sequencing-via-ngsThe 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 rRN... https://www.friendbookmark.com/blogpost/47240/decoding-the-conversation-in-host-pathogen-dynamicsIn the quest to unravel the complexities of infectious diseases, understanding the intricate interplay between pathogens and their hosts is paramount. This requires a comprehensive analysis of gene expression and the regulatory mechanisms at play during infection. Traditional RNA sequencing (RNA-seq) has long been employed to investigate the gene expression profiles of microbial pathogens.... https://www.friendbookmark.com/blogpost/44413/mastering-microbial-cultivation-by-navigating-aerobic-and-anaerobic-growth-challengesMicroorganisms have different growth requirements. When culturing them in the laboratory, it is essential to take note of these conditions because these are needed to be replicated in order to successfully grow microbial cultures in the laboratory. As mentioned in the previous article, one of the conditions needed to be taken into consideration is the oxygen requirement of the microorganis... https://www.friendbookmark.com/blogpost/44411/sequencing-depth-coverage-and-read-types-for-ngsWhat is sequencing depth and coverage?Sequencing DepthSequencing depth is the ratio of the total number of bases (bp) obtained by sequencing to the genome size, which is one of the indicators to evaluate the sequencing volume. There is a positive correlation between sequencing depth and genome coverage, and the error rate or false positive results from sequencing decreases as the sequencin... https://www.friendbookmark.com/blogpost/44410/how-to-choose-anovaAnalysis of variance (ANOVA) is a powerful statistical method that allows researchers to compare the means of two or more groups and determine if they are significantly different. It is a popular tool for testing hypotheses in a variety of fields in biology, including ecology, genetics, physiology, and biochemistry. In this article, we will explore how to choose the right type of ANOVA for... https://www.friendbookmark.com/blogpost/44409/how-rna-sequencing-is-revolutionizing-drug-discovery-and-developmentIn modern drug discovery and development, the research and development (R&D) process is a difficult task. The biological system is complex, which is one of the purposes. The human genome contains 20,000â25,000 genes. Traditional test methods for measuring gene expression levels or identifying gene isoforms, such as polymerase chain reaction (PCR), are expensive and time-consuming. RN... https://www.friendbookmark.com/blogpost/44408/exploring-how-rnc-rna-sequencing-illuminates-translational-dynamics-and-molecular-mechanismsWhen a ribosome is affixed to the polypeptide (protein) it is making, the ribosome-nascent chain complex (RNC) is the compilation of molecules that make up the ribosome. One of several methods can be used to halt the synthesis of the nascent polypeptide. RNCs are made and purified in labs to study the dynamics, biochemistry, folding, and interactions that the ribosome and proteins undergoi... https://www.friendbookmark.com/blogpost/44407/sequencing-technologies-unveiling-plant-microorganism-interactionsWhat is the microbiome?The microbiome refers to a collection of microorganisms possessing distinct physicochemical characteristics, occupying well-defined and reasonable habitats. This term encompasses not only the microorganisms themselves but also their active zones, which establish specific ecological niches. This dynamic and interactive microecosystem undergoes changes over time and sc... https://www.friendbookmark.com/blogpost/44406/exploring-the-hidden-world-of-viruses-advances-in-virome-research-and-sequencingVirusesViruses, these minuscule and seemingly simple structures, are garnering increasing attention from scientists worldwide. With their unique characteristics and profound impact on living organisms, viruses are a source of fascination and complexity that extend far beyond their diminutive size.They are composed of a nucleic acid core, either DNA or RNA, encased within a protein coat. Un... https://www.friendbookmark.com/blogpost/44405/advancements-in-sequencing-technologies-transforming-pathogen-detection-and-clinical-diagnosticIn 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... https://www.friendbookmark.com/blogpost/42039/microbiome-profiling-by-sequencing-definitions-and-technologiesMicroorganisms are ubiquitous in all kinds of environments on earth â they live in soil, water, inside or on the surface of animals and plants, and can even survive in extreme conditions. Microbiomics is the systematic study of the cohort of microorganisms in a given environment. With the advent of various sequencing technologies, researchers can finally get the whole picture of the micr... https://www.friendbookmark.com/blogpost/42038/targeting-rna-splicing-mechanisms-and-strategiesWhat Is RNA Splicing?RNA splicing is a post-transcriptional modification process that occurs in eukaryotic cells. When a gene is transcribed, the initial RNA product is called pre-mRNA, which contains both coding regions (exons) and non-coding regions (introns). RNA splicing removes the introns from the pre-mRNA molecule and joins together the exons to form a mature mRNA molecule that can ... https://www.friendbookmark.com/blogpost/42037/decoding-the-role-of-chimeric-rna-in-cellular-processesWhat is Chimeric RNA?Chimeric RNA, also known as fusion RNA, refers to RNA molecules that are formed as a result of the fusion of two or more different RNA transcripts. Chimeric RNA, a unique class of RNA molecules formed through various molecular mechanisms, such as trans-splicing, read-through transcription, and fusion genes. These hybrid transcripts play a significant role in diverse bi... https://www.friendbookmark.com/blogpost/42036/variant-analysis-workflow-in-bioinformaticsIntroduction to Variant AnalysisRare DNA changes within a population of cells are the first manifestations of mutations, which are the fuel for evolution. The research of genomic variation between species and individual organisms has been revolutionized by next-generation sequencing (NGS) technologies.Variant detection and analysis refer to the sequencing and difference analysis of a genom... https://www.friendbookmark.com/blogpost/42035/a-comparative-analysis-of-prime-editing-and-crispr-cas9What is CRISPR-Cas9?CRISPR-Cas9 is a gene editing technology that has changed the landscape of biological research. It stands for Clustered Regularly Interspaced Short Palindromic Repeats and CRISPR-Associated Protein 9. CRISPR-Cas9 uses a two-component system consisting of a guide RNA (gRNA) and a Cas9 protein. The gRNA is designed to complement specific target sequences in the genome to ... https://www.friendbookmark.com/blogpost/42034/whole-virus-genome-sequencing-in-screening-new-drugsWhole genome sequencing of viruses is playing an increasingly important role in clinical practice. On the one hand, analyzing the drug resistance information of the virus can assist in more accurate clinical diagnosis, treatment, and disease course management; On the other hand, through the establishment of molecular epidemiology of the virus, strict control of viral infection can be achie... https://www.friendbookmark.com/blogpost/42033/pan-cancer-analysis-uncovers-structural-variants-as-vital-contributors-to-tumor-neoantigensWithin the tumor genome, somatic mutations hold the ability to yield altered proteins that trigger immune responses against tumors. These mutated proteins fragment into peptides and are showcased on major histocompatibility complex (MHC) molecules. These distinct peptides, coined as "neoantigens," play a pivotal role in anti-tumor immune activity and have emerged as promising targets for t... https://www.friendbookmark.com/blogpost/37346/unraveling-gene-transcription-exploring-chromatin-accessibility-with-atac-seqIntroductionGene transcription requires the unraveling of a higher structural part of the DNA. This part of the chromatin is called accessible chromatin region and this process is achieved mainly by the modification of chromosomal histones (especially acetylation). The property of chromatin is called chromatin accessibility, so that chromatin accessibility reflects the state of binding of ... https://www.friendbookmark.com/blogpost/37345/long-read-sequencing-reveals-unseen-genomic-variantsA complete map of genomic variation is important to gain insight into genetic characterization and to aid in precision disease research, which can further address research areas such as evolution, agriculture, and medicine. Although short-read long sequencing can accurately detect single nucleotide polymorphisms (SNPs), insertion or deletion changes (InDel) occurring in gene sequences for ... https://www.friendbookmark.com/blogpost/37344/introduction-to-the-complete-sequence-of-a-human-genomeThe human genome, the genetic code that makes us uniquely human, has been the subject of scientific study and fascination for decades. The human genome contains approximately 3.055 billion base pairs. These are the molecular building blocks of DNA, consisting of adenine (A) paired with thymine (T) and cytosine (C) paired with guanine (G). This vast number is a testament not only to the com... https://www.friendbookmark.com/blogpost/37343/basics-of-blast-a-sequencing-alignment-toolIntroduction to BLASTThe Basic Local Alignment Search Tool (BLAST) a heuristic system, meaning it uses clever shortcuts to speed up the search process. "Local" alignments are performed by BLAST. Functional domains are frequently repeated within the same protein as well as across various proteins from different species, indicating that most proteins are modular in nature. The BLAST algorith... https://www.friendbookmark.com/blogpost/37342/integrative-approaches-in-pangenome-analysis-for-genetic-understandingWhat is Pan Genome?During the long evolution of species, each individual has developed extremely specific genetic traits as a result of natural and anthropogenic selection, among other factors. In the classical view of intraspecific genetic variation, the genome of each individual is described as a small set of variants on a common reference genome. Common in application is the analysis of... https://www.friendbookmark.com/blogpost/37341/exploring-the-advantages-of-low-pass-whole-genome-sequencingWhat is low-pass whole genome sequencing?In the rapidly advancing field of genomics, whole genome sequencing has become a powerful tool for deciphering the genetic blueprint of an individual. While traditional whole genome sequencing involves deep coverage to capture every base pair of an individual's genome, a newer approach known as shallow whole genome sequencing, or low-pass whole geno... https://www.friendbookmark.com/blogpost/37340/next-generation-sequencing-ngs-revolutionizes-pathogen-detectionIn 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... https://www.friendbookmark.com/blogpost/36481/metagenome-sequencing-vs-viral-amplicon-sequencing-choosing-effective-sequencing-methods-for-monitoring-viral-mutationsThe monitoring of viral mutations has gained paramount importance due to the likelihood of mutations occurring during viral transmission. This necessitates a meticulous tracking of these mutations, which is compounded by the challenge of enhancing virus detection sensitivity. The crux of the challenge lies in obtaining the entire viral genome sequence to facilitate a comprehensive understa... https://www.friendbookmark.com/blogpost/36480/viruses-and-virome-sequencingVirusesViruses, these minuscule and seemingly simple structures, are garnering increasing attention from scientists worldwide. With their unique characteristics and profound impact on living organisms, viruses are a source of fascination and complexity that extend far beyond their diminutive size.They are composed of a nucleic acid core, either DNA or RNA, encased within a protein coat. Un...